4546
MN4TH9KM
1
nature
50
date
desc
86
https://sites.psu.edu/sofo/wp-content/plugins/zotpress/
%7B%22status%22%3A%22success%22%2C%22updateneeded%22%3Afalse%2C%22instance%22%3Afalse%2C%22meta%22%3A%7B%22request_last%22%3A100%2C%22request_next%22%3A50%2C%22used_cache%22%3Atrue%7D%2C%22data%22%3A%5B%7B%22key%22%3A%22UWNA7DAL%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Troppenz%20et%20al.%22%2C%22parsedDate%22%3A%222023-04-21%22%2C%22numChildren%22%3A2%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3ETroppenz%2C%20M.%2C%20Rigamonti%2C%20S.%2C%20Sofo%2C%20J.%20O.%20%26amp%3B%20Draxl%2C%20C.%20Partial%20Order-Disorder%20Transition%20Driving%20Closure%20of%20Band%20Gap%3A%20Example%20of%20Thermoelectric%20Clathrates.%20%3Ci%3EPhys.%20Rev.%20Lett.%3C%5C%2Fi%3E%20%3Cb%3E130%3C%5C%2Fb%3E%2C%20166402%20%282023%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Partial%20Order-Disorder%20Transition%20Driving%20Closure%20of%20Band%20Gap%3A%20Example%20of%20Thermoelectric%20Clathrates%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Maria%22%2C%22lastName%22%3A%22Troppenz%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Santiago%22%2C%22lastName%22%3A%22Rigamonti%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Claudia%22%2C%22lastName%22%3A%22Draxl%22%7D%5D%2C%22abstractNote%22%3A%22In%20the%20quest%20for%20efficient%20thermoelectrics%2C%20semiconducting%20behavior%20is%20a%20targeted%20property.%20Yet%2C%20this%20is%20often%20difficult%20to%20achieve%20due%20to%20the%20complex%20interplay%20between%20electronic%20structure%2C%20temperature%2C%20and%20disorder.%20We%20find%20this%20to%20be%20the%20case%20for%20the%20thermoelectric%20clathrate%20Ba8Al16Si30%3A%20Although%20this%20material%20exhibits%20a%20band%20gap%20in%20its%20ground%20state%2C%20a%20temperature-driven%20partial%20order-disorder%20transition%20leads%20to%20its%20effective%20closing.%20This%20finding%20is%20enabled%20by%20a%20novel%20approach%20to%20calculate%20the%20temperature-dependent%20effective%20band%20structure%20of%20alloys.%20Our%20method%20fully%20accounts%20for%20the%20effects%20of%20short-range%20order%20and%20can%20be%20applied%20to%20complex%20alloys%20with%20many%20atoms%20in%20the%20primitive%20cell%2C%20without%20relying%20on%20effective%20medium%20approximations.%22%2C%22date%22%3A%222023-04-21%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1103%5C%2FPhysRevLett.130.166402%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22https%3A%5C%2F%5C%2Flink.aps.org%5C%2Fdoi%5C%2F10.1103%5C%2FPhysRevLett.130.166402%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222023-04-21T19%3A04%3A33Z%22%7D%7D%2C%7B%22key%22%3A%22SWT2I6JE%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Green%20et%20al.%22%2C%22parsedDate%22%3A%222021-10-06%22%2C%22numChildren%22%3A2%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EGreen%2C%20B.%20R.%2C%20Troppenz%2C%20M.%2C%20Rigamonti%2C%20S.%2C%20Draxl%2C%20C.%20%26amp%3B%20Sofo%2C%20J.%20O.%20Memory%20Function%20Representation%20for%20the%20Electrical%20Conductivity%20of%20Solids.%20%3Ci%3EarXiv%3A2110.02859%20%5Bcond-mat%5D%3C%5C%2Fi%3E%20%282021%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Memory%20Function%20Representation%20for%20the%20Electrical%20Conductivity%20of%20Solids%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Brett%20R.%22%2C%22lastName%22%3A%22Green%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Maria%22%2C%22lastName%22%3A%22Troppenz%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Santiago%22%2C%22lastName%22%3A%22Rigamonti%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Claudia%22%2C%22lastName%22%3A%22Draxl%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%5D%2C%22abstractNote%22%3A%22We%20derive%20a%20formula%20for%20the%20electrical%20conductivity%20of%20solids%20that%20includes%20relaxation%2C%20dissipation%2C%20and%20quantum%20coherence.%20The%20derivation%20is%20based%20on%20the%20Kubo%20formula%2C%20with%20a%20Mori%20memory%20function%20approach%20to%20include%20dissipation%20effects%20at%20all%20orders%20in%20the%20relaxation%20interaction.%20It%20offers%20a%20practical%20method%20to%20evaluate%20the%20conductivity%20with%20electronic-structure%20codes%20and%20avoids%20the%20complications%20and%20limitations%20of%20the%20Kubo%20formula%20in%20the%20thermodynamic%20limit.%20The%20derivation%20of%20our%20formula%20provides%20a%20method%20applicable%20to%20other%20transport%20coefficients%20and%20correlation%20functions.%22%2C%22date%22%3A%222021-10-06%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%22%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Farxiv.org%5C%2Fabs%5C%2F2110.02859%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%2C%22SUFBWEG3%22%2C%22GVPAUAH7%22%5D%2C%22dateModified%22%3A%222021-10-07T21%3A01%3A02Z%22%7D%7D%2C%7B%22key%22%3A%224ARYZ7CP%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Umar%20and%20Sofo%22%2C%22parsedDate%22%3A%222021-04-15%22%2C%22numChildren%22%3A2%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EUmar%2C%20M.%20M.%20F.%20%26amp%3B%20Sofo%2C%20J.%20O.%20Inversion%20domain%20boundaries%20in%20wurtzite%20GaN.%20%3Ci%3EPhys.%20Rev.%20B%3C%5C%2Fi%3E%20%3Cb%3E103%3C%5C%2Fb%3E%2C%20165305%20%282021%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Inversion%20domain%20boundaries%20in%20wurtzite%20GaN%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22M.%20M.%20F.%22%2C%22lastName%22%3A%22Umar%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%5D%2C%22abstractNote%22%3A%22We%20present%20two%20models%20for%20the%20atomic%20structure%20of%20inversion%20domain%20boundaries%20in%20wurzite%20GaN%2C%20that%20have%20not%20been%20discussed%20in%20existing%20literature.%20Using%20density%20functional%20theory%2C%20we%20find%20that%20one%20of%20these%20models%20has%20a%20lower%20formation%20energy%20than%20a%20previously%20proposed%20model%20known%20as%20Holt-IDB.%20Although%20this%20newly%20proposed%20model%20has%20a%20formation%20energy%20higher%20than%20the%20accepted%20lower-energy%20structure%2C%20known%20as%20IDB%2A%2C%20we%20argue%20that%20it%20can%20be%20formed%20under%20typical%20growth%20conditions.%20We%20present%20evidence%20that%20it%20may%20have%20been%20already%20observed%20in%20experiments%2C%20albeit%20misidentified%20as%20Holt-IDB.%20Our%20analysis%20was%20facilitated%20by%20a%20convenient%20notation%2C%20which%20we%20introduced%2C%20to%20characterize%20these%20models%3B%20it%20is%20based%20on%20the%20mismatch%20in%20crystal%20stacking%20sequence%20across%20the%20%7B10%5Cu00af10%7D%20plane.%20Additionally%2C%20we%20introduce%20an%20improved%20method%20to%20calculate%20energies%20of%20certain%20domain%20walls%20that%20challenge%20the%20periodic%20boundary%20conditions%20needed%20for%20plane-wave%20density%20functional%20theory%20methods.%20This%20new%20method%20provides%20improved%20estimations%20of%20domain%20wall%20energies.%22%2C%22date%22%3A%22April%2015%2C%202021%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1103%5C%2FPhysRevB.103.165305%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22https%3A%5C%2F%5C%2Flink.aps.org%5C%2Fdoi%5C%2F10.1103%5C%2FPhysRevB.103.165305%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222021-04-15T18%3A33%3A23Z%22%7D%7D%2C%7B%22key%22%3A%224M5SFUSV%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Green%20and%20Sofo%22%2C%22parsedDate%22%3A%222020-05-21%22%2C%22numChildren%22%3A2%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EGreen%2C%20B.%20R.%20%26amp%3B%20Sofo%2C%20J.%20O.%20Landau%20level%20phases%20in%20bilayer%20graphene%20under%20pressure%20at%20charge%20neutrality.%20%3Ci%3EPhys.%20Rev.%20B%3C%5C%2Fi%3E%20%3Cb%3E101%3C%5C%2Fb%3E%2C%20195432%20%282020%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Landau%20level%20phases%20in%20bilayer%20graphene%20under%20pressure%20at%20charge%20neutrality%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Brett%20R.%22%2C%22lastName%22%3A%22Green%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%5D%2C%22abstractNote%22%3A%22Bilayer%20graphene%20in%20a%20magnetic%20field%20hosts%20a%20variety%20of%20ordered%20phases%20built%20from%20eight%20Landau%20levels%20close%20in%20energy%20to%20the%20neutrality%20point.%20These%20levels%20are%20characterized%20by%20orbital%20n%3D0%2C1%2C%20valley%20%5Cu03be%3D%2B%2C%5Cu2212%2C%20and%20spin%20%5Cu03c3%3D%5Cu2191%2C%5Cu2193%3B%20their%20relative%20energies%20depend%20strongly%20on%20the%20Coulomb%20interaction%2C%20magnetic%20field%2C%20and%20interlayer%20bias.%20We%20treat%20interactions%20at%20the%20Hartree-Fock%20level%2C%20including%20the%20effects%20of%20metallic%20gates%2C%20layer%20separation%2C%20spatial%20extent%20of%20the%20pz%20orbitals%2C%20all%20Slonczewski-Weiss-McClure%20tight-binding%20parameters%2C%20and%20pressure.%20We%20obtain%20the%20ground%20state%20as%20function%20of%20the%20applied%20magnetic%20field%2C%20bias%2C%20and%20pressure.%20The%20gates%2C%20layer%20separation%2C%20and%20extent%20of%20the%20pz%20orbitals%20weaken%20the%20Coulomb%20interaction%20at%20different%20length%20scales%3B%20these%20effects%20distort%20the%20phase%20diagram%20but%20do%20not%20change%20its%20topology.%20However%2C%20previously%20predicted%20continuous%20transitions%20become%20discontinuous%20when%20all%20tight-binding%20parameters%20are%20included%20nonperturbatively.%20We%20find%20that%20pressure%20increases%20the%20importance%20of%20the%20noninteracting%20scale%20with%20respect%20to%20the%20Coulomb%20energy%2C%20which%20drives%20phase%20transitions%20to%20occur%20at%20lower%20fields.%20This%20brings%20two%20orbitally%20polarized%20states%20not%20yet%20predicted%20or%20observed%20into%20the%20experimentally%20accessible%20region%20of%20the%20phase%20diagram%2C%20in%20addition%20to%20previously%20identified%20valley-polarized%2C%20spin-polarized%2C%20and%20partially%20orbitally%20polarized%20states.%22%2C%22date%22%3A%22May%2021%2C%202020%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1103%5C%2FPhysRevB.101.195432%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22https%3A%5C%2F%5C%2Flink.aps.org%5C%2Fdoi%5C%2F10.1103%5C%2FPhysRevB.101.195432%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222020-05-21T22%3A04%3A32Z%22%7D%7D%2C%7B%22key%22%3A%22E3NJSH8Z%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Singh%20et%20al.%22%2C%22parsedDate%22%3A%222019-12-05%22%2C%22numChildren%22%3A2%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3ESingh%2C%20S.%20%3Ci%3Eet%20al.%3C%5C%2Fi%3E%20Low-Energy%20Phases%20of%20Bi%20Monolayer%20Predicted%20by%20Structure%20Search%20in%20Two%20Dimensions.%20%3Ci%3EJ.%20Phys.%20Chem.%20Lett.%3C%5C%2Fi%3E%20%3Cb%3E10%3C%5C%2Fb%3E%2C%207324%26%23x2013%3B7332%20%282019%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Low-Energy%20Phases%20of%20Bi%20Monolayer%20Predicted%20by%20Structure%20Search%20in%20Two%20Dimensions%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Sobhit%22%2C%22lastName%22%3A%22Singh%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Zeila%22%2C%22lastName%22%3A%22Zanolli%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Maximilian%22%2C%22lastName%22%3A%22Amsler%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Brahim%22%2C%22lastName%22%3A%22Belhadji%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Matthieu%20J.%22%2C%22lastName%22%3A%22Verstraete%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Aldo%20H.%22%2C%22lastName%22%3A%22Romero%22%7D%5D%2C%22abstractNote%22%3A%22We%20employ%20an%20ab-initio%20structure%20search%20algorithm%20to%20explore%20the%20configurational%20space%20of%20bismuth%20in%20quasi-two%20dimensions.%20A%20confinement%20potential%20is%20introduced%20to%20restrict%20the%20movement%20of%20atoms%20within%20a%20predefined%20thickness%20to%20find%20the%20stable%20and%20metastable%20forms%20of%20monolayer%20Bi.%20In%20addition%20to%20the%20two%20known%20low-energy%20structures%20%28puckered%20monoclinic%20and%20buckled%20hexagonal%29%2C%20our%20calculations%20predict%20three%20new%20phases%3A%20%5Cu03b1%2C%20%5Cu03b2%2C%20and%20%5Cu03b3.%20Each%20phase%20exhibits%20peculiar%20electronic%20properties%2C%20ranging%20from%20metallic%20%28%5Cu03b1%20and%20%5Cu03b3%29%20to%20semiconducting%20%28puckered%20monoclinic%2C%20buckled%20hexagonal%2C%20and%20%5Cu03b2%29%5Cu00a0monolayers.%20Topologically%20nontrivial%20features%20are%20predicted%20for%20buckled%20hexagonal%20and%20%5Cu03b3%20phases.%20We%20also%20remark%20on%20the%20role%20of%205d%20electrons%20on%20the%20electronic%20properties%20of%20Bi%20monolayer.%20We%20conclude%20that%20Bi%20provides%20a%20rich%20playground%20to%20study%20distortion-mediated%20metal%5Cu2013insulator%20phase%20transitions%20in%20quasi-2D.%22%2C%22date%22%3A%222019-12-05%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1021%5C%2Facs.jpclett.9b03043%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22https%3A%5C%2F%5C%2Fdoi.org%5C%2F10.1021%5C%2Facs.jpclett.9b03043%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222020-01-31T17%3A05%3A54Z%22%7D%7D%2C%7B%22key%22%3A%22ZKD7TAQA%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Gonz%5Cu00e1lez%20et%20al.%22%2C%22parsedDate%22%3A%222018-01-24%22%2C%22numChildren%22%3A2%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EGonz%26%23xE1%3Blez%2C%20R.%20I.%20%3Ci%3Eet%20al.%3C%5C%2Fi%3E%20Bending%20energy%20of%202D%20materials%3A%20graphene%2C%20MoS2%20and%20imogolite.%20%3Ci%3ERSC%20Adv.%3C%5C%2Fi%3E%20%3Cb%3E8%3C%5C%2Fb%3E%2C%204577%26%23x2013%3B4583%20%282018%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Bending%20energy%20of%202D%20materials%3A%20graphene%2C%20MoS2%20and%20imogolite%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Rafael%20I.%22%2C%22lastName%22%3A%22Gonz%5Cu00e1lez%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Felipe%20J.%22%2C%22lastName%22%3A%22Valencia%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jos%5Cu00e9%22%2C%22lastName%22%3A%22Rogan%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Juan%20Alejandro%22%2C%22lastName%22%3A%22Valdivia%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%22%2C%22lastName%22%3A%22Sofo%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Miguel%22%2C%22lastName%22%3A%22Kiwi%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Francisco%22%2C%22lastName%22%3A%22Munoz%22%7D%5D%2C%22abstractNote%22%3A%22The%20bending%20process%20of%202D%20materials%2C%20subject%20to%20an%20external%20force%2C%20is%20investigated%2C%20and%20applied%20to%20graphene%2C%20molybdenum%20disulphide%20%28MoS2%29%2C%20and%20imogolite.%20For%20graphene%20we%20obtained%203.43%20eV%20%5Cu00c52%20per%20atom%20for%20the%20bending%20modulus%2C%20which%20is%20in%20good%20agreement%20with%20the%20literature.%20We%20found%20that%20MoS2%20is%20%5Cu223c11%20times%20harder%20to%20bend%20than%20graphene%2C%20and%20has%20a%20bandgap%20variation%20of%20%5Cu223c1%20eV%20as%20a%20function%20of%20curvature.%20Finally%2C%20we%20also%20used%20this%20strategy%20to%20study%20aluminosilicate%20nanotubes%20%28imogolite%29%20which%2C%20in%20contrast%20to%20graphene%20and%20MoS2%2C%20present%20an%20energy%20minimum%20for%20a%20finite%20curvature%20radius.%20Roof%20tile%20shaped%20imogolite%20precursors%20turn%20out%20to%20be%20stable%2C%20and%20thus%20are%20expected%20to%20be%20created%20during%20imogolite%20synthesis%2C%20as%20predicted%20to%20occur%20by%20self-assembly%20theory.%22%2C%22date%22%3A%222018-01-24%22%2C%22language%22%3A%22en%22%2C%22DOI%22%3A%2210.1039%5C%2FC7RA10983K%22%2C%22ISSN%22%3A%222046-2069%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Fpubs.rsc.org%5C%2Fen%5C%2Fcontent%5C%2Farticlelanding%5C%2F2018%5C%2Fra%5C%2Fc7ra10983k%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222018-01-29T22%3A10%3A36Z%22%7D%7D%2C%7B%22key%22%3A%224UFLBQTV%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22DelloStritto%20and%20Sofo%22%2C%22parsedDate%22%3A%222017-04-27%22%2C%22numChildren%22%3A2%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EDelloStritto%2C%20M.%20J.%20%26amp%3B%20Sofo%2C%20J.%20O.%20Bond%20Polarizability%20Model%20for%20Sum%20Frequency%20Generation%20at%20the%20Al2O3%280001%29%26%23x2013%3BH2O%20Interface.%20%3Ci%3EJ.%20Phys.%20Chem.%20A%3C%5C%2Fi%3E%20%3Cb%3E121%3C%5C%2Fb%3E%2C%203045%26%23x2013%3B3055%20%282017%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Bond%20Polarizability%20Model%20for%20Sum%20Frequency%20Generation%20at%20the%20Al2O3%280001%29%5Cu2013H2O%20Interface%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Mark%20J.%22%2C%22lastName%22%3A%22DelloStritto%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%5D%2C%22abstractNote%22%3A%22Sum%20Frequency%20Generation%20%28SFG%29%20is%20a%20powerful%2C%20surface-specific%20vibrational%20probe%20ideally%20suited%20to%20studying%20buried%20interfaces%3B%20however%2C%20insight%20from%20theory%20is%20often%20necessary%20to%20explain%20the%20microscopic%20origins%20of%20the%20spectral%20features.%20To%20calculate%20the%20SFG%20spectrum%20at%20an%20insulating%20solid%5C%2Fliquid%20interface%2C%20we%20develop%20a%20flexible%20polarizability%20model%20that%20takes%20local%20dipole%20interactions%20into%20account%2C%20rather%20than%20assuming%20additive%20polarizabilities.%20We%20use%20this%20model%20to%20calculate%20bond%20dipoles%20and%20polarizabilities%20that%20reflect%20the%20local%20geometry%20of%20the%20interface.%20We%20apply%20our%20method%20to%20the%20Al2O3%280001%29%5Cu2013H2O%20interface%2C%20where%20we%20reproduce%20the%20experimental%20spectrum%20and%20show%20the%20two%20H%20stretching%20peaks%20come%20from%20solvent%20and%20surface%20modes%20separately%2C%20not%20from%20H2O%20molecules%20with%20different%20coordination%20numbers%20as%20previously%20thought.%20Our%20work%20therefore%20emphasizes%20the%20importance%20of%20treating%20both%20surface%20and%20solvent%20at%20the%20same%20level%20of%20theory%20for%20accurate%20spectroscopic%20calculations.%22%2C%22date%22%3A%22April%2027%2C%202017%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1021%5C%2Facs.jpca.7b00862%22%2C%22ISSN%22%3A%221089-5639%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Fdx.doi.org%5C%2F10.1021%5C%2Facs.jpca.7b00862%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222024-01-25T18%3A40%3A01Z%22%7D%7D%2C%7B%22key%22%3A%22B8ZANFL6%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22DelloStritto%20et%20al.%22%2C%22parsedDate%22%3A%222016-10-18%22%2C%22numChildren%22%3A2%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EDelloStritto%2C%20M.%20J.%2C%20Kubicki%2C%20J.%20D.%20%26amp%3B%20Sofo%2C%20J.%20O.%20Effect%20of%20Ions%20on%20H-Bond%20Structure%20and%20Dynamics%20at%20the%20Quartz%28101%29%26%23x2013%3BWater%20Interface.%20%3Ci%3ELangmuir%3C%5C%2Fi%3E%20%3Cb%3E32%3C%5C%2Fb%3E%2C%2011353%26%23x2013%3B11356%20%282016%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Effect%20of%20Ions%20on%20H-Bond%20Structure%20and%20Dynamics%20at%20the%20Quartz%28101%29%5Cu2013Water%20Interface%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Mark%20J.%22%2C%22lastName%22%3A%22DelloStritto%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22James%20D.%22%2C%22lastName%22%3A%22Kubicki%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%5D%2C%22abstractNote%22%3A%22We%20use%20ab%20initio%20molecular%20dynamics%20simulations%20to%20study%20the%20effect%20of%20ions%20on%20the%20structure%20and%20dynamics%20of%20the%20quartz%28101%29%5Cu2013water%20interface.%20We%20study%20several%20IA%20%28Na%2B%2C%20Rb%2B%29%20and%20IIA%20%28Mg2%2B%2C%20Sr2%2B%29%20cations%2C%20with%20Cl%5Cu2013%20as%20counterion%2C%20adsorbed%20onto%20acidic%2C%20neutral%2C%20and%20basic%20surface%20configurations%20at%20300%20and%20373%20K.%20We%20find%20that%20both%20cations%20and%20anions%20can%20bond%20directly%20to%20the%20surface%20and%20perturb%20the%20local%20H-bond%20network.%20The%20adsorbed%20ions%20promote%20the%20formation%20of%20intrasurface%20H-bonds%2C%20as%20shown%20by%20vibrational%20density%20of%20states%20and%20orientations%20of%20the%20surface%20silanols.%20Both%20local%20and%20global%20structural%20correlations%20of%20the%20interfacial%20H-bond%20network%20are%20studied%20using%20a%20structural%20definition%20of%20the%20H-bond%20and%20a%20network%20correlation%20function.%20We%20find%20the%20ions%5Cu2019%20effect%20on%20the%20solvent%20structure%20exhibits%20a%20complex%20dependence%20on%20specific%20surface%20interactions.%20The%20structure-making%20properties%20of%20ions%20are%20enhanced%20at%20the%20quartz%20surface%2C%20particularly%20for%20ions%20adsorbed%20without%20a%20complete%20hydration%20shell%2C%20and%20the%20structuring%20effect%20extends%20beyond%20the%20first%20solvation%20shell.%20The%20ions%20have%20a%20lesser%20effect%20on%20solvent%20structure%20in%20solution%2C%20especially%20in%20the%20presence%20of%20counterions.%20In%20fact%2C%20cations%20that%20are%20the%20greatest%20%5Cu201cstructure%20makers%5Cu201d%20at%20the%20surface%20are%20the%20greatest%20%5Cu201cstructure%20breakers%5Cu201d%20when%20in%20solution%20with%20a%20counterion.%20Therefore%2C%20we%20find%20the%20ions%20cannot%20be%20simply%20classified%20as%20%5Cu201cstructure%20making%5Cu201d%20or%20%5Cu201cstructure%20breaking%5Cu201d.%20We%20discuss%20the%20implications%20of%20these%20findings%20for%20the%20effect%20of%20ions%20on%20the%20dissolution%20rate%2C%20surface%20charge%2C%20and%20solvent%20structure.%22%2C%22date%22%3A%22October%2018%2C%202016%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1021%5C%2Facs.langmuir.6b01719%22%2C%22ISSN%22%3A%220743-7463%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Fdx.doi.org%5C%2F10.1021%5C%2Facs.langmuir.6b01719%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222024-01-25T18%3A40%3A01Z%22%7D%7D%2C%7B%22key%22%3A%22AZU628TU%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Munoz%20et%20al.%22%2C%22parsedDate%22%3A%222016-06-27%22%2C%22numChildren%22%3A2%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EMunoz%2C%20F.%2C%20Collado%2C%20H.%20P.%20O.%2C%20Usaj%2C%20G.%2C%20Sofo%2C%20J.%20O.%20%26amp%3B%20Balseiro%2C%20C.%20A.%20Bilayer%20graphene%20under%20pressure%3A%20Electron-hole%20symmetry%20breaking%2C%20valley%20Hall%20effect%2C%20and%20Landau%20levels.%20%3Ci%3EPhys.%20Rev.%20B%3C%5C%2Fi%3E%20%3Cb%3E93%3C%5C%2Fb%3E%2C%20235443%20%282016%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Bilayer%20graphene%20under%20pressure%3A%20Electron-hole%20symmetry%20breaking%2C%20valley%20Hall%20effect%2C%20and%20Landau%20levels%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22F.%22%2C%22lastName%22%3A%22Munoz%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22H.%20P.%20Ojeda%22%2C%22lastName%22%3A%22Collado%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Gonzalo%22%2C%22lastName%22%3A%22Usaj%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22C.%20A.%22%2C%22lastName%22%3A%22Balseiro%22%7D%5D%2C%22abstractNote%22%3A%22The%20electronic%20structure%20of%20bilayer%20graphene%20under%20pressure%20develops%20very%20interesting%20features%20with%20an%20enhancement%20of%20the%20trigonal%20warping%20and%20a%20splitting%20of%20the%20parabolic%20touching%20bands%20at%20the%20K%20point%20of%20the%20reciprocal%20space%20into%20four%20Dirac%20cones%2C%20one%20at%20K%20and%20three%20along%20the%20T%20symmetry%20lines.%20As%20pressure%20is%20increased%2C%20these%20cones%20separate%20in%20reciprocal%20space%20and%20in%20energy%2C%20breaking%20the%20electron-hole%20symmetry.%20Due%20to%20their%20energy%20separation%2C%20their%20opposite%20Berry%20curvature%20can%20be%20observed%20in%20valley%20Hall%20effect%20experiments%20and%20in%20the%20structure%20of%20the%20Landau%20levels.%20Based%20on%20the%20electronic%20structure%20obtained%20by%20density%20functional%20theory%2C%20we%20develop%20a%20low%20energy%20Hamiltonian%20that%20describes%20the%20effects%20of%20pressure%20on%20measurable%20quantities%20such%20as%20the%20Hall%20conductivity%20and%20the%20Landau%20levels%20of%20the%20system.%22%2C%22date%22%3A%22June%2027%2C%202016%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1103%5C%2FPhysRevB.93.235443%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Flink.aps.org%5C%2Fdoi%5C%2F10.1103%5C%2FPhysRevB.93.235443%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%2C%2284MDA6H7%22%5D%2C%22dateModified%22%3A%222016-07-01T21%3A02%3A57Z%22%7D%7D%2C%7B%22key%22%3A%2225TJ9HHV%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Cao%20et%20al.%22%2C%22parsedDate%22%3A%222016%22%2C%22numChildren%22%3A1%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3ECao%2C%20W.%20%3Ci%3Eet%20al.%3C%5C%2Fi%3E%20Heavy%20Dirac%20fermions%20in%20a%20graphene%5C%2Ftopological%20insulator%20hetero-junction.%20%3Ci%3E2D%20Mater.%3C%5C%2Fi%3E%20%3Cb%3E3%3C%5C%2Fb%3E%2C%20034006%20%282016%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Heavy%20Dirac%20fermions%20in%20a%20graphene%5C%2Ftopological%20insulator%20hetero-junction%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Wendong%22%2C%22lastName%22%3A%22Cao%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Rui-Xing%22%2C%22lastName%22%3A%22Zhang%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Peizhe%22%2C%22lastName%22%3A%22Tang%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Gang%22%2C%22lastName%22%3A%22Yang%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%22%2C%22lastName%22%3A%22Sofo%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Wenhui%22%2C%22lastName%22%3A%22Duan%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Chao-Xing%22%2C%22lastName%22%3A%22Liu%22%7D%5D%2C%22abstractNote%22%3A%22The%20low%20energy%20physics%20of%20both%20graphene%20and%20surface%20states%20of%20three-dimensional%20topological%20insulators%20%28TIs%29%20is%20described%20by%20gapless%20Dirac%20fermions%20with%20linear%20dispersion.%20In%20this%20work%2C%20we%20predict%20the%20emergence%20of%20a%20%5Cu2018heavy%5Cu2019%20Dirac%20fermion%20in%20a%20graphene%5C%2FTI%20hetero-junction%2C%20where%20the%20linear%20term%20almost%20vanishes%20and%20the%20corresponding%20energy%20dispersion%20becomes%20highly%20nonlinear.%20By%20combining%20ab%20initio%20calculations%20and%20an%20effective%20low-energy%20model%2C%20we%20show%20explicitly%20how%20strong%20hybridization%20between%20Dirac%20fermions%20in%20graphene%20and%20the%20surface%20states%20of%20TIs%20can%20reduce%20the%20Fermi%20velocity%20of%20Dirac%20fermions.%20Due%20to%20the%20negligible%20linear%20term%2C%20interaction%20effects%20will%20be%20greatly%20enhanced%20and%20can%20drive%20%5Cu2018heavy%5Cu2019%20Dirac%20fermion%20states%20into%20the%20half%20quantum%20Hall%20state%20with%20non-zero%20Hall%20conductance.%22%2C%22date%22%3A%222016%22%2C%22language%22%3A%22en%22%2C%22DOI%22%3A%2210.1088%5C%2F2053-1583%5C%2F3%5C%2F3%5C%2F034006%22%2C%22ISSN%22%3A%222053-1583%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Fstacks.iop.org%5C%2F2053-1583%5C%2F3%5C%2Fi%3D3%5C%2Fa%3D034006%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222016-09-14T15%3A34%3A49Z%22%7D%7D%2C%7B%22key%22%3A%22SSSPTU2W%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Dong%20et%20al.%22%2C%22parsedDate%22%3A%222015-10-13%22%2C%22numChildren%22%3A3%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EDong%2C%20X.-Y.%20%3Ci%3Eet%20al.%3C%5C%2Fi%3E%20Electrically%20tunable%20multiple%20Dirac%20cones%20in%20thin%20films%20of%20the%20%28LaO%292%28SbSe2%292%20family%20of%20materials.%20%3Ci%3ENat%20Commun%3C%5C%2Fi%3E%20%3Cb%3E6%3C%5C%2Fb%3E%2C%208517%20%282015%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Electrically%20tunable%20multiple%20Dirac%20cones%20in%20thin%20films%20of%20the%20%28LaO%292%28SbSe2%292%20family%20of%20materials%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Xiao-Yu%22%2C%22lastName%22%3A%22Dong%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jian-Feng%22%2C%22lastName%22%3A%22Wang%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Rui-Xing%22%2C%22lastName%22%3A%22Zhang%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Wen-Hui%22%2C%22lastName%22%3A%22Duan%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Bang-Fen%22%2C%22lastName%22%3A%22Zhu%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Chao-Xing%22%2C%22lastName%22%3A%22Liu%22%7D%5D%2C%22abstractNote%22%3A%22Two-dimensional%20Dirac%20physics%20has%20aroused%20great%20interests%20in%20condensed%20matter%20physics%20ever%20since%20the%20discovery%20of%20graphene%20and%20topological%20insulators.%20The%20ability%20to%20control%20the%20properties%20of%20Dirac%20cones%2C%20such%20as%20bandgap%20and%20Fermi%20velocity%2C%20is%20essential%20for%20various%20new%20phenomena%20and%20the%20next-generation%20electronic%20devices.%20On%20the%20basis%20of%20first-principles%20calculations%20and%20an%20analytical%20effective%20model%2C%20we%20propose%20a%20new%20Dirac%20system%20with%20eight%20Dirac%20cones%20in%20thin%20films%20of%20the%20%28LaO%292%28SbSe2%292%20family%20of%20materials%2C%20which%20has%20the%20advantage%20in%20its%20tunability%3A%20the%20existence%20of%20gapless%20Dirac%20cones%2C%20their%20positions%2C%20Fermi%20velocities%20and%20anisotropy%20all%20can%20be%20controlled%20by%20an%20experimentally%20feasible%20electric%20field.%20We%20identify%20layer-dependent%20spin%20texture%20induced%20by%20spin%5Cu2013orbit%20coupling%20as%20the%20underlying%20physical%20reason%20for%20electrical%20tunability%20of%20this%20system.%20Furthermore%2C%20the%20electrically%20tunable%20quantum%20anomalous%20Hall%20effect%20with%20a%20high%20Chern%20number%20can%20be%20realized%20by%20introducing%20magnetization%20into%20this%20system.%5CnView%20full%20text%22%2C%22date%22%3A%22October%2013%2C%202015%22%2C%22language%22%3A%22en%22%2C%22DOI%22%3A%2210.1038%5C%2Fncomms9517%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Fwww.nature.com%5C%2Fncomms%5C%2F2015%5C%2F151013%5C%2Fncomms9517%5C%2Fabs%5C%2Fncomms9517.html%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222015-10-13T21%3A13%3A29Z%22%7D%7D%2C%7B%22key%22%3A%22VSZ3WUNA%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Liu%20et%20al.%22%2C%22parsedDate%22%3A%222015%22%2C%22numChildren%22%3A2%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3ELiu%2C%20X.%20%3Ci%3Eet%20al.%3C%5C%2Fi%3E%20First-principles%20studies%20of%20lattice%20dynamics%20and%20thermal%20properties%20of%20Mg2Si1%26%23x2212%3BxSnx.%20%3Ci%3EJournal%20of%20Materials%20Research%3C%5C%2Fi%3E%20%3Cb%3E30%3C%5C%2Fb%3E%2C%202578%26%23x2013%3B2584%20%282015%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22First-principles%20studies%20of%20lattice%20dynamics%20and%20thermal%20properties%20of%20Mg2Si1%5Cu2212xSnx%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Xiaohua%22%2C%22lastName%22%3A%22Liu%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Yi%22%2C%22lastName%22%3A%22Wang%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Tiejun%22%2C%22lastName%22%3A%22Zhu%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Long-Qing%22%2C%22lastName%22%3A%22Chen%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Xinbing%22%2C%22lastName%22%3A%22Zhao%22%7D%5D%2C%22abstractNote%22%3A%22We%20present%20the%20results%20of%20a%20mixed-space%20approach%2C%20based%20on%20first-principles%20calculations%2C%20to%20investigate%20phonon%20dispersions%20and%20thermal%20properties%20of%20Mg2Si%20and%20Mg2Sn%2C%20including%20the%20bulk%20modulus%2C%20Gr%5Cu00fcneisen%20parameter%2C%20heat%20capacity%2C%20and%20Debye%20temperature.%20It%20is%20shown%20that%20good%20agreements%20are%20obtained%20between%20the%20calculated%20results%20and%20available%20experimental%20data%20for%20both%20phonon%20dispersions%20and%20thermal%20properties.%20The%20phonon%20dispersions%20are%20accurately%20calculated%20compared%20with%20experimental%20data%20due%20to%20the%20high-quality%20description%20of%20LO%5Cu2013TO%20splitting%20and%20transverse%20acoustic%20branches%20along%20the%20%5Cu0393-K-X%20symmetry%20line.%20We%20also%20calculate%20the%20heat%20capacity%20C%20P%20and%20Debye%20temperature%20of%20Mg2Si1%5Cu2212x%20Sn%20x%20alloys%20%28x%20%3D%200.375%2C%200.5%2C%200.625%2C%200.875%29.%20The%20C%20P%20values%20at%20high%20temperature%20range%20from%200.5%20to%200.7%20J%5C%2Fg%5C%2FK%20and%20%5Cu0398D%20values%20at%20room%20temperature%20from%20332%20to%20384%20K%20as%20the%20Sn%20content%20decreases%20from%200.875%20to%200.375.%22%2C%22date%22%3A%222015%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1557%5C%2Fjmr.2015.229%22%2C%22ISSN%22%3A%222044-5326%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Fjournals.cambridge.org%5C%2Farticle_S0884291415002290%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222015-12-14T15%3A34%3A25Z%22%7D%7D%2C%7B%22key%22%3A%22KKN3B35P%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Liang%20et%20al.%22%2C%22parsedDate%22%3A%222014-09-08%22%2C%22numChildren%22%3A2%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3ELiang%2C%20S.-Z.%2C%20Chen%2C%20G.%2C%20Harutyunyan%2C%20A.%20R.%20%26amp%3B%20Sofo%2C%20J.%20O.%20Screening%20of%20charged%20impurities%20as%20a%20possible%20mechanism%20for%20conductance%20change%20in%20graphene%20gas%20sensing.%20%3Ci%3EPhys.%20Rev.%20B%3C%5C%2Fi%3E%20%3Cb%3E90%3C%5C%2Fb%3E%2C%20115410%20%282014%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Screening%20of%20charged%20impurities%20as%20a%20possible%20mechanism%20for%20conductance%20change%20in%20graphene%20gas%20sensing%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Sang-Zi%22%2C%22lastName%22%3A%22Liang%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Gugang%22%2C%22lastName%22%3A%22Chen%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Avetik%20R.%22%2C%22lastName%22%3A%22Harutyunyan%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%5D%2C%22abstractNote%22%3A%22In%20carbon%20nanotube%20and%20graphene%20gas%20sensing%2C%20the%20measured%20conductance%20change%20after%20the%20sensor%20is%20exposed%20to%20target%20molecules%20has%20been%20traditionally%20attributed%20to%20carrier%20density%20change%20due%20to%20charge%20transfer%20between%20the%20sample%20and%20the%20adsorbed%20molecule.%20However%2C%20this%20explanation%20has%20many%20problems%20when%20it%20is%20applied%20to%20graphene%3A%20The%20increased%20amount%20of%20Coulomb%20impurities%20should%20lead%20to%20decrease%20in%20carrier%20mobility%20which%20was%20not%20observed%20in%20many%20experiments%2C%20carrier%20density%20is%20controlled%20by%20the%20gate%20voltage%20in%20the%20experimental%20setup%2C%20and%20there%20are%20inconsistencies%20in%20the%20energetics%20of%20the%20charge%20transfer.%20In%20this%20paper%20we%20explore%20an%20alternative%20mechanism.%20Charged%20functional%20groups%20and%20dipolar%20molecules%20on%20the%20surface%20of%20graphene%20may%20counteract%20the%20effect%20of%20charged%20impurities%20on%20the%20substrate.%20Because%20scattering%20of%20electrons%20with%20these%20charged%20impurities%20has%20been%20shown%20to%20be%20the%20limiting%20factor%20in%20graphene%20conductivity%2C%20this%20leads%20to%20significant%20changes%20in%20the%20transport%20behavior.%20A%20model%20for%20the%20conductivity%20is%20established%20using%20the%20random%20phase%20approximation%20dielectric%20function%20of%20graphene%20and%20the%20first-order%20Born%20approximation%20for%20scattering.%20The%20model%20predicts%20optimal%20magnitudes%20for%20the%20charge%20and%20dipole%20moment%20which%20maximally%20screen%20a%20given%20charged%20impurity.%20The%20dipole%20screening%20is%20shown%20to%20be%20generally%20weaker%20than%20the%20charge%20screening%20although%20the%20former%20becomes%20more%20effective%20with%20higher%20gate%20voltage%20away%20from%20the%20charge%20neutrality%20point.%20The%20model%20also%20predicts%20that%20with%20increasing%20amount%20of%20adsorbates%2C%20the%20charge%20impurities%20eventually%20become%20saturated%20and%20additional%20adsorption%20always%20lead%20to%20decreasing%20conductivity.%22%2C%22date%22%3A%22September%208%2C%202014%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1103%5C%2FPhysRevB.90.115410%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Flink.aps.org%5C%2Fdoi%5C%2F10.1103%5C%2FPhysRevB.90.115410%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%2C%22GVPAUAH7%22%5D%2C%22dateModified%22%3A%222014-11-07T16%3A06%3A59Z%22%7D%7D%2C%7B%22key%22%3A%224ZLCJQA3%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22DelloStritto%20et%20al.%22%2C%22parsedDate%22%3A%222014-06-18%22%2C%22numChildren%22%3A2%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EDelloStritto%2C%20M.%20J.%2C%20Kubicki%2C%20J.%20%26amp%3B%20Sofo%2C%20J.%20O.%20Density%20functional%20theory%20simulation%20of%20hydrogen-bonding%20structure%20and%20vibrational%20densities%20of%20states%20at%20the%20quartz%20%281%200%201%29-water%20interface%20and%20its%20relation%20to%20dissolution%20as%20a%20function%20of%20solution%20pH%20and%20ionic%20strength.%20%3Ci%3EJ.%20Phys.%3A%20Condens.%20Matter%3C%5C%2Fi%3E%20%3Cb%3E26%3C%5C%2Fb%3E%2C%20244101%20%282014%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Density%20functional%20theory%20simulation%20of%20hydrogen-bonding%20structure%20and%20vibrational%20densities%20of%20states%20at%20the%20quartz%20%281%200%201%29-water%20interface%20and%20its%20relation%20to%20dissolution%20as%20a%20function%20of%20solution%20pH%20and%20ionic%20strength%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22M.%20J.%22%2C%22lastName%22%3A%22DelloStritto%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22J.%22%2C%22lastName%22%3A%22Kubicki%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22J.%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%5D%2C%22abstractNote%22%3A%22Two%20hypotheses%20for%20the%20dissolution%20of%20SiO2%20in%20ionic%20solutions%20are%20investigated%20via%20ab%20initio%20molecular%20dynamics%20%28AIMD%29%20simulations.%20The%20hypotheses%20are%20%281%29%20that%20the%20presence%20of%20ions%20induces%20orientations%20in%20H2O%20molecules%20at%20the%20surface%2C%20which%20favor%20proton%20transfer%20to%20bridging%20oxygen%20%28BO%29%20atoms%2C%20and%20%282%29%20the%20presence%20of%20ions%20induces%20stronger%20H-bonding%20between%20terminal%20hydroxyl%20%28TH%29%20groups%20and%20BO%20atoms%2C%20allowing%20proton%20transfer.%20It%20is%20found%20that%20the%20model%20structures%20produced%20by%20density%20functional%20theory%20simulations%20do%20not%20support%20the%20former%20hypothesis%20and%20are%20more%20consistent%20with%20the%20latter.%22%2C%22date%22%3A%222014-06-18%22%2C%22language%22%3A%22en%22%2C%22DOI%22%3A%2210.1088%5C%2F0953-8984%5C%2F26%5C%2F24%5C%2F244101%22%2C%22ISSN%22%3A%220953-8984%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Fiopscience.iop.org%5C%2F0953-8984%5C%2F26%5C%2F24%5C%2F244101%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222024-01-25T18%3A40%3A01Z%22%7D%7D%2C%7B%22key%22%3A%22YH82YHBP%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Wang%20et%20al.%22%2C%22parsedDate%22%3A%222014-05-22%22%2C%22numChildren%22%3A2%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EWang%2C%20H.-W.%20%3Ci%3Eet%20al.%3C%5C%2Fi%3E%20Vibrational%20Density%20of%20States%20of%20Strongly%20H-Bonded%20Interfacial%20Water%3A%20Insights%20from%20Inelastic%20Neutron%20Scattering%20and%20Theory.%20%3Ci%3EJ.%20Phys.%20Chem.%20C%3C%5C%2Fi%3E%20%3Cb%3E118%3C%5C%2Fb%3E%2C%2010805%26%23x2013%3B10813%20%282014%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Vibrational%20Density%20of%20States%20of%20Strongly%20H-Bonded%20Interfacial%20Water%3A%20Insights%20from%20Inelastic%20Neutron%20Scattering%20and%20Theory%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Hsiu-Wen%22%2C%22lastName%22%3A%22Wang%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Mark%20J.%22%2C%22lastName%22%3A%22DelloStritto%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Nitin%22%2C%22lastName%22%3A%22Kumar%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Alexander%20I.%22%2C%22lastName%22%3A%22Kolesnikov%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Paul%20R.%20C.%22%2C%22lastName%22%3A%22Kent%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22James%20D.%22%2C%22lastName%22%3A%22Kubicki%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22David%20J.%22%2C%22lastName%22%3A%22Wesolowski%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%5D%2C%22abstractNote%22%3A%22The%20molecular%20scale%20interaction%20between%20water%20and%20an%20oxide%20surface%20depends%20on%20the%20strength%20of%20the%20surface%20hydrogen%20bonds%20%28H-bonds%29%20through%20a%20subtle%20interplay%20among%20surface%20structure%2C%20surface%20atom%20polarity%2C%20and%20orientation%20of%20sorbed%20species.%20Tin%20oxide%20%28SnO2%29%20in%20the%20rutile%20structure%20is%20an%20important%20catalytic%20and%20gas-sensing%20material%2C%20and%20its%20surface%20properties%20have%20been%20the%20subject%20of%20intense%20scrutiny.%20Here%20we%20show%20that%20the%20vibrational%20dynamics%20of%20H2O%20and%20OH%20sorbed%20on%20SnO2%20nanoparticles%2C%20probed%20with%20inelastic%20neutron%20scattering%20and%20analyzed%20with%20ab%20initio%20molecular%20dynamics%2C%20reveals%20very%20strong%20surface%20H-bonds%2C%20with%20a%20formation%20enthalpy%20twice%20that%20of%20liquid%20water.%20This%20unusually%20strong%20interaction%20results%20in%20%28i%29%20decoupling%20of%20the%20hydrated%20surface%20from%20additional%20water%20layers%20due%20to%20an%20epitaxial%20screening%20layer%20of%20H2O%20and%20OH%20species%2C%20%28ii%29%20high%20energy%20of%20OH%20wagging%20modes%20that%20provides%20an%20experimental%20indicator%20of%20surface%20H-bond%20strengths%2C%20and%20%28iii%29%20high%20proton%20exchange%20rates%20at%20the%20interface.%20H-bonding%20energetics%20and%20interfacial%20structures%20also%20control%20the%20average%20degree%20of%20dissociation%20of%20sorbed%20water.%20The%20close%20agreement%20in%20the%20vibrational%20density%20of%20states%20measured%20experimentally%20and%20generated%20in%20silico%20provides%20validation%20of%20the%20theory%2C%20while%20the%20atomistic%20simulations%20provide%20atomic%5C%2Fmolecular-level%20details%20of%20individual%20species%20contributions%20to%20the%20observed%20spectrum.%20Together%2C%20these%20integrated%20studies%20provide%20definitive%20insights%20into%20the%20role%20of%20H-bonds%20in%20controlling%20the%20structure%2C%20dynamics%2C%20and%20reactivity%20of%20metal%20oxide%5C%2Fwater%20interfaces.%22%2C%22date%22%3A%22May%2022%2C%202014%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1021%5C%2Fjp500954v%22%2C%22ISSN%22%3A%221932-7447%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Fdx.doi.org%5C%2F10.1021%5C%2Fjp500954v%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222024-01-25T18%3A40%3A01Z%22%7D%7D%2C%7B%22key%22%3A%22K7M24W4A%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Brouwer%20et%20al.%22%2C%22parsedDate%22%3A%222014-05-14%22%2C%22numChildren%22%3A3%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EBrouwer%2C%20W.%20J.%2C%20Kubicki%2C%20J.%20D.%2C%20Sofo%2C%20J.%20O.%20%26amp%3B%20Giles%2C%20C.%20L.%20An%20Investigation%20of%20Machine%20Learning%20Methods%20Applied%20to%20Structure%20Prediction%20in%20Condensed%20Matter.%20%3Ci%3EarXiv%3A1405.3564%20%5Bcond-mat%5D%3C%5C%2Fi%3E%20%282014%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22An%20Investigation%20of%20Machine%20Learning%20Methods%20Applied%20to%20Structure%20Prediction%20in%20Condensed%20Matter%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22William%20J.%22%2C%22lastName%22%3A%22Brouwer%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22James%20D.%22%2C%22lastName%22%3A%22Kubicki%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22C.%20Lee%22%2C%22lastName%22%3A%22Giles%22%7D%5D%2C%22abstractNote%22%3A%22Materials%20characterization%20remains%20a%20significant%2C%20time-consuming%20undertaking.%20Generally%20speaking%2C%20spectroscopic%20techniques%20are%20used%20in%20conjunction%20with%20empirical%20and%20ab-initio%20calculations%20in%20order%20to%20elucidate%20structure.%20These%20experimental%20and%20computational%20methods%20typically%20require%20significant%20human%20input%20and%20interpretation%2C%20particularly%20with%20regards%20to%20novel%20materials.%20Recently%2C%20the%20application%20of%20data%20mining%20and%20machine%20learning%20to%20problems%20in%20material%20science%20have%20shown%20great%20promise%20in%20reducing%20this%20overhead.%20In%20the%20work%20presented%20here%2C%20several%20aspects%20of%20machine%20learning%20are%20explored%20with%20regards%20to%20characterizing%20a%20model%20material%2C%20titania%2C%20using%20solid-state%20Nuclear%20Magnetic%20Resonance%20%28NMR%29.%20Specifically%2C%20a%20large%20dataset%20is%20generated%2C%20corresponding%20to%20NMR%20%24%5E%7B47%7D%24Ti%20spectra%2C%20using%20ab-initio%20calculations%20for%20generated%20TiO%24_2%24%20structures.%20Principal%20Components%20Analysis%20%28PCA%29%20reveals%20that%20input%20spectra%20may%20be%20compressed%20by%20more%20than%2090%25%2C%20before%20being%20used%20for%20subsequent%20machine%20learning.%20Two%20key%20methods%20are%20used%20to%20learn%20the%20complex%20mapping%20between%20structural%20details%20and%20input%20NMR%20spectra%2C%20demonstrating%20excellent%20accuracy%20when%20presented%20with%20test%20sample%20spectra.%20This%20work%20compares%20Support%20Vector%20Regression%20%28SVR%29%20and%20Artificial%20Neural%20Networks%20%28ANNs%29%2C%20as%20one%20step%20towards%20the%20construction%20of%20an%20expert%20system%20for%20solid%20state%20materials%20characterization.%22%2C%22date%22%3A%222014-05-14%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%22%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Farxiv.org%5C%2Fabs%5C%2F1405.3564%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222015-12-14T15%3A37%3A44Z%22%7D%7D%2C%7B%22key%22%3A%222J6ME4I9%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Wang%20et%20al.%22%2C%22parsedDate%22%3A%222014-03-16%22%2C%22numChildren%22%3A0%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EWang%2C%20H.-W.%20%3Ci%3Eet%20al.%3C%5C%2Fi%3E%20Structure%20and%20dynamics%20of%20the%20surface-water%20on%20SnO%3Csub%3E2%3C%5C%2Fsub%3E%20nanocrystals.%20%3Ci%3EAbstracts%20of%20Papers%20of%20the%20American%20Chemical%20Society%3C%5C%2Fi%3E%20%3Cb%3E247%3C%5C%2Fb%3E%2C%20%282014%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Structure%20and%20dynamics%20of%20the%20surface-water%20on%20SnO%3Csub%3E2%3C%5C%2Fsub%3E%20nanocrystals%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Hsiu-Wen%22%2C%22lastName%22%3A%22Wang%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Lukas%22%2C%22lastName%22%3A%22Vlcek%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Mark%20J.%22%2C%22lastName%22%3A%22DelloStritto%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Nitin%22%2C%22lastName%22%3A%22Kumar%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22David%20J.%22%2C%22lastName%22%3A%22Wesolowski%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Alexander%20I.%22%2C%22lastName%22%3A%22Kolesnikov%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Paul%20R.%22%2C%22lastName%22%3A%22Kent%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22James%20D.%22%2C%22lastName%22%3A%22Kubicki%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Lawrence%20M.%22%2C%22lastName%22%3A%22Anovitz%22%7D%5D%2C%22abstractNote%22%3A%22%22%2C%22date%22%3A%22MAR%2016%20%202014%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%22%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222024-01-25T18%3A40%3A01Z%22%7D%7D%2C%7B%22key%22%3A%22G9W4ES3H%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Liang%20et%20al.%22%2C%22parsedDate%22%3A%222013-12-05%22%2C%22numChildren%22%3A2%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3ELiang%2C%20S.-Z.%2C%20Chen%2C%20G.%2C%20Harutyunyan%2C%20A.%20R.%2C%20Cole%2C%20M.%20W.%20%26amp%3B%20Sofo%2C%20J.%20O.%20Analysis%20and%20optimization%20of%20carbon%20nanotubes%20and%20graphene%20sensors%20based%20on%20adsorption-desorption%20kinetics.%20%3Ci%3EAppl.%20Phys.%20Lett.%3C%5C%2Fi%3E%20%3Cb%3E103%3C%5C%2Fb%3E%2C%20233108%20%282013%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Analysis%20and%20optimization%20of%20carbon%20nanotubes%20and%20graphene%20sensors%20based%20on%20adsorption-desorption%20kinetics%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Sang-Zi%22%2C%22lastName%22%3A%22Liang%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Gugang%22%2C%22lastName%22%3A%22Chen%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Avetik%20R.%22%2C%22lastName%22%3A%22Harutyunyan%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Milton%20W.%22%2C%22lastName%22%3A%22Cole%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%5D%2C%22abstractNote%22%3A%22Single-walled%20carbon%20nanotubes%20mats%20and%20graphene%20have%20shown%20great%20potential%20as%20gas%20sensors.%20We%20analyze%20NO%20adsorption%5C%2Fsensing%20experiments%20with%20the%20kinetic%20Langmuir%20model%20adapted%20to%20include%20adsorption%20sites%20from%20which%20the%20molecule%20does%20not%20desorb.%20The%20model%20reproduces%20the%20available%20experimental%20data.%20Its%20fitting%20parameters%20provide%20information%20on%20the%20microscopic%20phenomena%20governing%20adsorption%2C%20and%20variation%20of%20these%20parameters%20allows%20the%20optimization%20of%20the%20sensitivity%2C%20detection%20limit%2C%20and%20time%20response%20of%20the%20sensors.%20The%20result%20reveals%20an%20optimal%20operating%20temperature%20before%20thermal%20desorption%20becomes%20dominant%20at%20high%20temperature%2C%20the%20potential%20improvement%20of%20selectivity%20by%20tuning%20the%20gate%20voltage%20in%20a%20field%20effect%20transistor%20configuration%2C%20and%20quantifies%20the%20benefits%20of%20reducing%20the%20density%20of%20defects%20in%20the%20sensing%20materials.%22%2C%22date%22%3A%222013%5C%2F12%5C%2F05%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1063%5C%2F1.4841535%22%2C%22ISSN%22%3A%220003-6951%2C%201077-3118%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Fscitation.aip.org%5C%2Fcontent%5C%2Faip%5C%2Fjournal%5C%2Fapl%5C%2F103%5C%2F23%5C%2F10.1063%5C%2F1.4841535%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%2C%22GVPAUAH7%22%5D%2C%22dateModified%22%3A%222014-02-19T19%3A50%3A25Z%22%7D%7D%2C%7B%22key%22%3A%22KHN9HI87%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Mahan%20and%20Sofo%22%2C%22parsedDate%22%3A%222013-07-01%22%2C%22numChildren%22%3A2%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EMahan%2C%20G.%20D.%20%26amp%3B%20Sofo%2C%20J.%20O.%20The%20Electrical%20Conductivity%20of%20Strontium-Barium%20Niobate.%20%3Ci%3EJ.%20Electron.%20Mater.%3C%5C%2Fi%3E%20%3Cb%3E42%3C%5C%2Fb%3E%2C%201375%26%23x2013%3B1376%20%282013%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22The%20Electrical%20Conductivity%20of%20Strontium-Barium%20Niobate%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22G.%20D.%22%2C%22lastName%22%3A%22Mahan%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22J.%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%5D%2C%22abstractNote%22%3A%22We%20propose%20an%20explanation%20for%20the%20high%20electrical%20conductivity%20of%20the%20ferroelectric%20strontium-barium%20niobate.%20As%20the%20temperature%20T%20approaches%20the%20ferroelectric%20transition%20T%20c%2C%20the%20static%20dielectric%20constant%20%5Cu03b5%280%29%5C%5Cvarepsilon%280%29%20diverges%20when%20a%20soft%20mode%20occurs.%20This%20divergence%20of%20%5Cu03b5%280%29%5C%5Cvarepsilon%280%29%20reduces%20the%20donor%20binding%20energy%2C%20and%20increases%20the%20effective%20Bohr%20radius%20of%20the%20donor.%20The%20electrons%20bound%20to%20the%20donors%20become%20unbound%2C%20and%20the%20material%20becomes%20conductive.%22%2C%22date%22%3A%222013%5C%2F07%5C%2F01%22%2C%22language%22%3A%22en%22%2C%22DOI%22%3A%2210.1007%5C%2Fs11664-012-2248-6%22%2C%22ISSN%22%3A%220361-5235%2C%201543-186X%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Flink.springer.com%5C%2Farticle%5C%2F10.1007%5C%2Fs11664-012-2248-6%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222014-02-19T19%3A45%3A23Z%22%7D%7D%2C%7B%22key%22%3A%22GX7ELQFI%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Kim%20et%20al.%22%2C%22parsedDate%22%3A%222013-06-25%22%2C%22numChildren%22%3A0%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EKim%2C%20S.-Y.%20%3Ci%3Eet%20al.%3C%5C%2Fi%3E%20Development%20of%20a%20ReaxFF%20Reactive%20Force%20Field%20for%20Titanium%20Dioxide%5C%2FWater%20Systems.%20%3Ci%3ELangmuir%3C%5C%2Fi%3E%20%3Cb%3E29%3C%5C%2Fb%3E%2C%207838%26%23x2013%3B7846%20%282013%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Development%20of%20a%20ReaxFF%20Reactive%20Force%20Field%20for%20Titanium%20Dioxide%5C%2FWater%20Systems%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Sung-Yup%22%2C%22lastName%22%3A%22Kim%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Nitin%22%2C%22lastName%22%3A%22Kumar%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Petter%22%2C%22lastName%22%3A%22Persson%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%22%2C%22lastName%22%3A%22Sofo%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Adri%20C.%20T.%22%2C%22lastName%22%3A%22van%20Duin%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22James%20D.%22%2C%22lastName%22%3A%22Kubicki%22%7D%5D%2C%22abstractNote%22%3A%22A%20new%20ReaxFF%20reactive%20force%20field%20has%20been%20developed%20to%20describe%20reactions%20in%20the%20Ti-O-H%20system.%20The%20ReaxFF%20force%20field%20parameters%20have%20been%20fitted%20to%20a%20quantum%20mechanical%20%28QM%29%20training%20set%20containing%20structures%20and%20energies%20related%20to%20bond%20dissociation%20energies%2C%20angle%20and%20dihedral%20distortions%2C%20and%20reactions%20between%20water%20and%20titanium%20dioxide%2C%20as%20well%20as%20experimental%20crystal%20structures%2C%20heats%20of%20formation%2C%20and%20bulk%20modulus%20data.%20Model%20configurations%20for%20the%20training%20set%20were%20based%20on%20DFT%20calculations%20on%20molecular%20clusters%20and%20periodic%20systems%20%28both%20bulk%20crystals%20and%20surfaces%29.%20ReaxFF%20reproduces%20accurately%20the%20QM%20training%20set%20for%20structures%20and%20energetics%20of%20small%20clusters.%20ReaxFF%20also%20describes%20the%20relative%20energetics%20for%20rutile%2C%20brookite%2C%20and%20anatase.%20The%20results%20of%20ReaxFF%20match%20reasonably%20well%20with%20those%20of%20QM%20for%20water%20binding%20energies%2C%20surface%20energies%2C%20and%20H2O%20dissociation%20energy%20barriers.%20description%2C%20we%20have%20compared%20its%20performance%20against%20DFT%5C%2FMD%20simulations%20for%201%20and%203%20monolayers%20of%20water%20interacting%20with%20a%20rutile%20%28110%29%20surface.%20We%20found%20agreement%20within%20a%2010%25%20error%20between%20the%20DFT%5C%2FMD%20and%20ReaxFF%20water%20dissociation%20levels%20for%20both%20coverages.%22%2C%22date%22%3A%22JUN%2025%20%202013%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1021%5C%2Fla4006983%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222024-01-25T18%3A40%3A01Z%22%7D%7D%2C%7B%22key%22%3A%22SHWIF858%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Wesolowski%20et%20al.%22%2C%22parsedDate%22%3A%222013-04-07%22%2C%22numChildren%22%3A0%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EWesolowski%2C%20D.%20J.%20%3Ci%3Eet%20al.%3C%5C%2Fi%3E%20Structure%20and%20dynamics%20of%20the%20first%20few%20layers%20of%20water%20on%20rutile-structured%20TiO%3Csub%3E2%3C%5C%2Fsub%3E%20and%20SnO%3Csub%3E2%3C%5C%2Fsub%3E%20%28110%29%20surfaces%20of%20bulk%20crystals%20and%20nanoparticles%3A%20Progress%20and%20controversy.%20%3Ci%3EAbstracts%20of%20Papers%20of%20the%20American%20Chemical%20Society%3C%5C%2Fi%3E%20%3Cb%3E245%3C%5C%2Fb%3E%2C%20%282013%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Structure%20and%20dynamics%20of%20the%20first%20few%20layers%20of%20water%20on%20rutile-structured%20TiO%3Csub%3E2%3C%5C%2Fsub%3E%20and%20SnO%3Csub%3E2%3C%5C%2Fsub%3E%20%28110%29%20surfaces%20of%20bulk%20crystals%20and%20nanoparticles%3A%20Progress%20and%20controversy%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22David%20J.%22%2C%22lastName%22%3A%22Wesolowski%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Hsiu-Wen%22%2C%22lastName%22%3A%22Wang%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Wei%22%2C%22lastName%22%3A%22Wang%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Eugene%22%2C%22lastName%22%3A%22Mamontov%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Lukas%22%2C%22lastName%22%3A%22Vlcek%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Paul%20R.%22%2C%22lastName%22%3A%22Kent%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Gernot%22%2C%22lastName%22%3A%22Rother%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jose%20L.%22%2C%22lastName%22%3A%22Banuelos%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Thomas%22%2C%22lastName%22%3A%22Proffen%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Alexander%20I.%22%2C%22lastName%22%3A%22Kolesnikov%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Nitin%22%2C%22lastName%22%3A%22Kumar%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Michael%20L.%22%2C%22lastName%22%3A%22Machesky%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Milan%22%2C%22lastName%22%3A%22Predota%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Peter%20T.%22%2C%22lastName%22%3A%22Cummings%22%7D%5D%2C%22abstractNote%22%3A%22%22%2C%22date%22%3A%22APR%207%20%202013%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%22%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222024-01-25T18%3A40%3A01Z%22%7D%7D%2C%7B%22key%22%3A%22RPBZANCH%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Sofo%22%2C%22parsedDate%22%3A%222013%22%2C%22numChildren%22%3A2%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3ESofo%2C%20J.%20O.%20Problems%20in%20Solid%20State%20Physics%20with%20Solutions%2C%20by%20Fuxiang%20Han.%20%3Ci%3EContemp.%20Phys.%3C%5C%2Fi%3E%20%3Cb%3E54%3C%5C%2Fb%3E%2C%2073%26%23x2013%3B73%20%282013%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Problems%20in%20Solid%20State%20Physics%20with%20Solutions%2C%20by%20Fuxiang%20Han%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%5D%2C%22abstractNote%22%3A%22%22%2C%22date%22%3A%222013%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1080%5C%2F00107514.2013.766635%22%2C%22ISSN%22%3A%220010-7514%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Fwww.tandfonline.com%5C%2Fdoi%5C%2Fabs%5C%2F10.1080%5C%2F00107514.2013.766635%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%2C%22LBI74RH2%22%5D%2C%22dateModified%22%3A%222014-02-19T19%3A52%3A24Z%22%7D%7D%2C%7B%22key%22%3A%22C4RZMDRT%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Liang%20and%20Sofo%22%2C%22parsedDate%22%3A%222012-12-20%22%2C%22numChildren%22%3A2%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3ELiang%2C%20S.-Z.%20%26amp%3B%20Sofo%2C%20J.%20O.%20Impurity%20State%20and%20Variable%20Range%20Hopping%20Conduction%20in%20Graphene.%20%3Ci%3EPhys.%20Rev.%20Lett.%3C%5C%2Fi%3E%20%3Cb%3E109%3C%5C%2Fb%3E%2C%20256601%20%282012%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Impurity%20State%20and%20Variable%20Range%20Hopping%20Conduction%20in%20Graphene%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Sang-Zi%22%2C%22lastName%22%3A%22Liang%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%5D%2C%22abstractNote%22%3A%22The%20variable%20range%20hopping%20theory%2C%20as%20formulated%20for%20exponentially%20localized%20impurity%20states%2C%20does%20not%20necessarily%20apply%20in%20the%20case%20of%20graphene%20with%20covalently%20attached%20impurities.%20We%20analyze%20the%20localization%20of%20impurity%20states%20in%20graphene%20using%20the%20nearest-neighbor%2C%20tight-binding%20model%20of%20an%20adatom-graphene%20system%20with%20Green%5Cu2019s%20function%20perturbation%20methods.%20The%20amplitude%20of%20the%20impurity%20state%20wave%20function%20is%20determined%20to%20decay%20as%20a%20power%20law%20with%20exponents%20depending%20on%20sublattice%2C%20direction%2C%20and%20the%20impurity%20species.%20We%20revisit%20the%20variable%20range%20hopping%20theory%20in%20view%20of%20this%20result%20and%20find%20that%20the%20conductivity%20depends%20as%20a%20power%20law%20of%20the%20temperature%20with%20an%20exponent%20related%20to%20the%20localization%20of%20the%20wave%20function.%20We%20show%20that%20this%20temperature%20dependence%20is%20in%20agreement%20with%20available%20experimental%20results.%22%2C%22date%22%3A%22December%2020%2C%202012%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1103%5C%2FPhysRevLett.109.256601%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Flink.aps.org%5C%2Fdoi%5C%2F10.1103%5C%2FPhysRevLett.109.256601%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%2C%22T9JANXPT%22%2C%22E3FGRRQI%22%5D%2C%22dateModified%22%3A%222012-12-20T23%3A01%3A22Z%22%7D%7D%2C%7B%22key%22%3A%2274ZRC4BT%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Reatto%20et%20al.%22%2C%22parsedDate%22%3A%222012-12-17%22%2C%22numChildren%22%3A1%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EReatto%2C%20L.%20%3Ci%3Eet%20al.%3C%5C%2Fi%3E%20Novel%20substrates%20for%20Helium%20adsorption%3A%20Graphane%20and%20Graphene%26%23x2014%3BFluoride.%20%3Ci%3EJ.%20Phys.%20Conf.%20Ser.%3C%5C%2Fi%3E%20%3Cb%3E400%3C%5C%2Fb%3E%2C%20012010%20%282012%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Novel%20substrates%20for%20Helium%20adsorption%3A%20Graphane%20and%20Graphene%5Cu2014Fluoride%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22L%22%2C%22lastName%22%3A%22Reatto%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22M%22%2C%22lastName%22%3A%22Nava%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22D%20E%22%2C%22lastName%22%3A%22Galli%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22C%22%2C%22lastName%22%3A%22Billman%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22J%20O%22%2C%22lastName%22%3A%22Sofo%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22M%20W%22%2C%22lastName%22%3A%22Cole%22%7D%5D%2C%22abstractNote%22%3A%22%22%2C%22date%22%3A%222012-12-17%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1088%5C%2F1742-6596%5C%2F400%5C%2F1%5C%2F012010%22%2C%22ISSN%22%3A%221742-6588%2C%201742-6596%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Fiopscience.iop.org%5C%2F1742-6596%5C%2F400%5C%2F1%5C%2F012010%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222014-02-19T19%3A51%3A20Z%22%7D%7D%2C%7B%22key%22%3A%22H9RXLGRE%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Kubicki%20et%20al.%22%2C%22parsedDate%22%3A%222012-08-23%22%2C%22numChildren%22%3A2%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EKubicki%2C%20J.%20D.%2C%20Sofo%2C%20J.%20O.%2C%20Skelton%2C%20A.%20A.%20%26amp%3B%20Bandura%2C%20A.%20V.%20A%20New%20Hypothesis%20for%20the%20Dissolution%20Mechanism%20of%20Silicates.%20%3Ci%3EJ.%20Phys.%20Chem.%20C%3C%5C%2Fi%3E%20%3Cb%3E116%3C%5C%2Fb%3E%2C%2017479%26%23x2013%3B17491%20%282012%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22A%20New%20Hypothesis%20for%20the%20Dissolution%20Mechanism%20of%20Silicates%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22James%20D.%22%2C%22lastName%22%3A%22Kubicki%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Adam%20A.%22%2C%22lastName%22%3A%22Skelton%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Andrei%20V.%22%2C%22lastName%22%3A%22Bandura%22%7D%5D%2C%22abstractNote%22%3A%22A%20novel%20mechanism%20for%20protonating%20bridging%20O%20atoms%20%28Obr%29%20and%20dissolving%20silica%20is%20proposed%20that%20is%20consistent%20with%20experimental%20data%20and%20quantum%20mechanical%20simulations%20of%20the%20%5Cu03b1-quartz%20%28101%29%5C%2Fwater%20interface.%20The%20new%20hypothesis%20is%20that%20H%2B-transfer%20occurs%20through%20internal%20surface%20H-bonds%20%28i.e.%2C%20SiOH%3FObr%29%20rather%20than%20surface%20water%20H-bonds%20and%20that%20increasing%20ionic%20strength%2C%20I%2C%20favors%20formation%20of%20these%20internal%20H-bonds%2C%20leading%20to%20a%20larger%20pre-exponential%20factor%2C%20A%2C%20in%20the%20Arrhenius%20equation%2C%20k%20%3D%20A%20exp%28%3F%3FEa%5C%2FRT%29%2C%20and%20higher%20rates%20of%20dissolution.%20Projector-augmented%20planewave%20density%20functional%20theory%20%28DFT%29%20molecular%20dynamics%20%28MD%29%20simulations%20and%20static%20energy%20minimizations%20were%20performed%20on%20the%20%5Cu03b1-quartz%20%28101%29%20surface%20and%20with%20pure%20water%2C%20with%20Cl%3F%2C%20Na%2B%2C%20and%20Mg2%2B.%20Classical%20molecular%20dynamics%20were%20performed%20on%20%5Cu03b1-quartz%20%28101%29%20surface%20and%20pure%20water%20only.%20The%20nature%20of%20the%20H-bonding%20of%20the%20surface%20silanol%20%28SiOH%29%20groups%20with%20the%20solution%20and%20with%20other%20surface%20atoms%20is%20examined%20as%20a%20test%20of%20the%20above%20hypothesis.%20Statistically%20significant%20increases%20in%20the%20percentages%20of%20internal%20SiOH%3FObr%20H-bonds%2C%20as%20well%20as%20the%20possibility%20of%20Obr%20protonation%20with%20H-bond%20linkage%20to%20silanol%20group%2C%20are%20predicted%20by%20these%20simulations%2C%20which%20is%20consistent%20with%20the%20new%20hypothesis.%20This%20new%20hypothesis%20is%20discussed%20in%20relation%20to%20experimental%20data%20on%20silicate%20dissolution.%22%2C%22date%22%3A%22August%2023%2C%202012%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1021%5C%2Fjp300623v%22%2C%22ISSN%22%3A%221932-7447%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Fdx.doi.org%5C%2F10.1021%5C%2Fjp300623v%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222024-01-25T18%3A40%3A01Z%22%7D%7D%2C%7B%22key%22%3A%22J5QAK9RE%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Berkdemir%20et%20al.%22%2C%22parsedDate%22%3A%222012-06-20%22%2C%22numChildren%22%3A2%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EBerkdemir%2C%20C.%2C%20Castleman%2C%20A.%20W.%20%26amp%3B%20Sofo%2C%20J.%20O.%20Metal-substituted%20Ti%3Csub%3E8%3C%5C%2Fsub%3EC%3Csub%3E12%3C%5C%2Fsub%3E%20metallocarbohedrynes%3A%20toward%20less%20reactive%20clusters%20as%20building%20blocks%20of%20cluster-assembled%20materials.%20%3Ci%3EPhys.%20Chem.%20Chem.%20Phys.%3C%5C%2Fi%3E%20%3Cb%3E14%3C%5C%2Fb%3E%2C%209642%26%23x2013%3B9653%20%282012%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Metal-substituted%20Ti%3Csub%3E8%3C%5C%2Fsub%3EC%3Csub%3E12%3C%5C%2Fsub%3E%20metallocarbohedrynes%3A%20toward%20less%20reactive%20clusters%20as%20building%20blocks%20of%20cluster-assembled%20materials%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22C%5Cu00fcneyt%22%2C%22lastName%22%3A%22Berkdemir%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22A.%20W.%22%2C%22lastName%22%3A%22Castleman%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%5D%2C%22abstractNote%22%3A%22To%20form%20cluster-assembled%20materials%2C%20the%20clusters%20should%20have%20low%20reactivity%20and%20be%20characterized%20by%20a%20closed-shell%20electronic%20configuration%20with%20a%20large%20gap%20between%20the%20highest%20occupied%20and%20the%20lowest%20unoccupied%20molecular%20orbitals%20%28HOMO%5Cu2013LUMO%29.%20Using%20spin-polarized%20density%20functional%20theory%20calculations%2C%20we%22%2C%22date%22%3A%222012-06-20%22%2C%22language%22%3A%22en%22%2C%22DOI%22%3A%2210.1039%5C%2FC2CP40509A%22%2C%22ISSN%22%3A%221463-9084%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Fpubs.rsc.org%5C%2Fen%5C%2Fcontent%5C%2Farticlelanding%5C%2F2012%5C%2Fcp%5C%2Fc2cp40509a%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222014-02-19T18%3A28%3A26Z%22%7D%7D%2C%7B%22key%22%3A%22TI76JSVP%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Iordanov%20et%20al.%22%2C%22parsedDate%22%3A%222012-06-07%22%2C%22numChildren%22%3A2%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EIordanov%2C%20I.%2C%20Gunaratne%2C%20K.%20D.%20D.%2C%20Harmon%2C%20C.%20L.%2C%20Sofo%2C%20J.%20O.%20%26amp%3B%20Castleman%2C%20A.%20W.%20Broad%20photoelectron%20spectrum%20and%20lowered%20electron%20affinity%20due%20to%20hydrogen%20in%20ZnOH%3A%20A%20joint%20experimental%20and%20theoretical%20study.%20%3Ci%3EJ.%20Chem.%20Phys.%3C%5C%2Fi%3E%20%3Cb%3E136%3C%5C%2Fb%3E%2C%20214314-214314%26%23x2013%3B6%20%282012%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Broad%20photoelectron%20spectrum%20and%20lowered%20electron%20affinity%20due%20to%20hydrogen%20in%20ZnOH%3A%20A%20joint%20experimental%20and%20theoretical%20study%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22I.%22%2C%22lastName%22%3A%22Iordanov%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22K.%20D.%20D.%22%2C%22lastName%22%3A%22Gunaratne%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22C.%20L.%22%2C%22lastName%22%3A%22Harmon%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22J.%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22A.%20W.%22%2C%22lastName%22%3A%22Castleman%22%7D%5D%2C%22abstractNote%22%3A%22We%20report%20a%20combined%20experimental%20and%20theoretical%20photoelectron%20spectroscopy%20study%20of%20ZnOH%5Cu2212.%20We%20find%20that%20the%20electron%20binding%20energy%20spectrum%20of%20ZnOH%5Cu2212%20reveals%20a%20broad%20and%20featureless%20peak%20between%201.4%20and%202.4%20eV%20in%20energy.%20The%20vertical%20detachment%20energy%20%28VDE%29%20of%20ZnOH%5Cu2212%20is%20determined%20to%20be%201.78%20eV%2C%20which%20is%20lower%20than%20the%202.08%20eV%20VDE%20of%20ZnO%5Cu2212.%20Our%20theoretical%20calculations%20match%20the%20VDE%20of%20ZnOH%5Cu2212%20accurately%2C%20but%20we%20find%20that%20the%20broadness%20of%20the%20peak%20cannot%20be%20explained%20by%20rotational%20or%20vibrational%20state%20excitation.%20The%20broadness%20of%20this%20peak%20is%20in%20strong%20contrast%20to%20the%20narrow%20and%20easily%20understood%20first%20peak%20of%20the%20ZnO%20spectrum%2C%20which%20features%20a%20well-resolved%20vibrational%20progression%20that%20can%20be%20readily%20explained%20by%20calculating%20the%20Franck-Condon%20transition%20factors.%20This%20study%20provides%20spectroscopic%20evidence%20of%20the%20effect%20of%20hydrogen%20on%20diatomic%20ZnO.%22%2C%22date%22%3A%222012-06-07%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%22doi%3A10.1063%5C%2F1.4725713%22%2C%22ISSN%22%3A%2200219606%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Fjcp.aip.org%5C%2Fresource%5C%2F1%5C%2Fjcpsa6%5C%2Fv136%5C%2Fi21%5C%2Fp214314_s1%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%2C%22KE9AVQN7%22%5D%2C%22dateModified%22%3A%222014-02-19T19%3A48%3A44Z%22%7D%7D%2C%7B%22key%22%3A%22IICEQBDW%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Kubicki%20et%20al.%22%2C%22parsedDate%22%3A%222012-03-25%22%2C%22numChildren%22%3A0%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EKubicki%2C%20J.%20D.%20%3Ci%3Eet%20al.%3C%5C%2Fi%3E%20Silicate%20dissolution%3A%20A%20mechanism%20based%20on%20simulations%20of%20the%20a-quartz%20%28101%29-water%20interface.%20%3Ci%3EAbstracts%20of%20Papers%20of%20the%20American%20Chemical%20Society%3C%5C%2Fi%3E%20%3Cb%3E243%3C%5C%2Fb%3E%2C%20%282012%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Silicate%20dissolution%3A%20A%20mechanism%20based%20on%20simulations%20of%20the%20a-quartz%20%28101%29-water%20interface%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22James%20D.%22%2C%22lastName%22%3A%22Kubicki%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Andrei%20V.%22%2C%22lastName%22%3A%22Bandura%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Adri%20C.%22%2C%22lastName%22%3A%22van%20Duin%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Adam%22%2C%22lastName%22%3A%22Skelton%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Michael%22%2C%22lastName%22%3A%22Machesky%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22David%22%2C%22lastName%22%3A%22Wesolowski%22%7D%5D%2C%22abstractNote%22%3A%22%22%2C%22date%22%3A%22MAR%2025%20%202012%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%22%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222024-01-25T18%3A40%3A01Z%22%7D%7D%2C%7B%22key%22%3A%222ADPHJP6%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Sofo%20et%20al.%22%2C%22parsedDate%22%3A%222012-03-06%22%2C%22numChildren%22%3A2%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3ESofo%2C%20J.%20O.%20%3Ci%3Eet%20al.%3C%5C%2Fi%3E%20Magnetic%20structure%20of%20hydrogen-induced%20defects%20on%20graphene.%20%3Ci%3EPhys.%20Rev.%20B%3C%5C%2Fi%3E%20%3Cb%3E85%3C%5C%2Fb%3E%2C%20115405%20%282012%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Magnetic%20structure%20of%20hydrogen-induced%20defects%20on%20graphene%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22J.%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Gonzalo%22%2C%22lastName%22%3A%22Usaj%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22P.%20S.%22%2C%22lastName%22%3A%22Cornaglia%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22A.%20M.%22%2C%22lastName%22%3A%22Suarez%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22A.%20D.%22%2C%22lastName%22%3A%22Hern%5Cu00e1ndez-Nieves%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22C.%20A.%22%2C%22lastName%22%3A%22Balseiro%22%7D%5D%2C%22abstractNote%22%3A%22Using%20density-functional-theory%20%28DFT%29%2C%20Hartree-Fock%2C%20exact-diagonalization%2C%20and%20numerical-renormalization-group%20methods%2C%20we%20study%20the%20electronic%20structure%20of%20diluted%20hydrogen%20atoms%20chemisorbed%20on%20graphene.%20A%20comparison%20between%20DFT%20and%20Hartree-Fock%20calculations%20allows%20us%20to%20identify%20the%20main%20characteristics%20of%20the%20magnetic%20structure%20of%20the%20defect.%20We%20use%20this%20information%20to%20formulate%20an%20Anderson-Hubbard%20model%20that%20captures%20the%20main%20physical%20ingredients%20of%20the%20system%20while%20still%20allowing%20a%20rigorous%20treatment%20of%20the%20electronic%20correlations.%20We%20find%20that%20the%20large%20hydrogen-carbon%20hybridization%20puts%20the%20structure%20of%20the%20defect%20halfway%20between%20the%20one%20corresponding%20to%20an%20adatom%20weakly%20coupled%20to%20pristine%20graphene%20and%20that%20of%20a%20carbon%20vacancy.%20The%20impurity%27s%20magnetic%20moment%20leaks%20into%20the%20graphene%20layer%20where%20the%20electronic%20correlations%20on%20the%20C%20atoms%20play%20an%20important%20role%20in%20stabilizing%20the%20magnetic%20solution.%20Finally%2C%20we%20discuss%20the%20implications%20for%20the%20Kondo%20effect.%22%2C%22date%22%3A%22March%2006%2C%202012%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1103%5C%2FPhysRevB.85.115405%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Flink.aps.org%5C%2Fdoi%5C%2F10.1103%5C%2FPhysRevB.85.115405%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222012-08-01T13%3A02%3A09Z%22%7D%7D%2C%7B%22key%22%3A%22MXAHCR7M%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Herman%20et%20al.%22%2C%22parsedDate%22%3A%222012%22%2C%22numChildren%22%3A0%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EHerman%2C%20R.%20M.%2C%20Suarez%2C%20A.%2C%20Sofo%2C%20J.%20%26amp%3B%20Lewis%2C%20J.%20C.%20Calculation%20of%20the%20ortho-para%20conversion%20of%20hydrogen%20in%20a%20p-type%20silicon%20lattice%20using%20a%20dwell%20time%20approach.%20%3Ci%3EXxi%20International%20Conference%20on%20Spectral%20Line%20Shapes%20%28icsls%202012%29%3C%5C%2Fi%3E%20%3Cb%3E397%3C%5C%2Fb%3E%2C%20012064%20%282012%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Calculation%20of%20the%20ortho-para%20conversion%20of%20hydrogen%20in%20a%20p-type%20silicon%20lattice%20using%20a%20dwell%20time%20approach%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22R.%20M.%22%2C%22lastName%22%3A%22Herman%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22A.%22%2C%22lastName%22%3A%22Suarez%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22J.%22%2C%22lastName%22%3A%22Sofo%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22J.%20C.%22%2C%22lastName%22%3A%22Lewis%22%7D%5D%2C%22abstractNote%22%3A%22Quantitative%20spectroscopic%20studies%20of%20hydrogen%20in%20a%20p-type%20silicon%20lattice%20at%20room%20temperature%20and%20at%20reduced%20temperature%20have%20led%20to%20rates%20for%20the%20ortho-para%20conversion%20process.%20The%20characteristic%20relaxation%20time%20at%20room%20temperature%20is%20about%208%20hours.%20Explanations%20of%20this%20rate%20on%20the%20basis%20of%20the%20interaction%20between%20the%20interstitial%20H-2%20and%20naturally%20occurring%20Si-29%20using%20the%20Wigner%20rate%20expression%20encounter%20several%20difficulties%2C%20the%20principal%20being%20that%20the%20decay%20would%20involve%20multiexponential%20decay%2C%20in%20contradiction%20to%20observation.%20In%20an%20earlier%20work%20we%20calculated%20the%20rate%20assuming%20that%20the%20ortho-para%20conversion%20was%20effected%20during%20scattering%20of%20holes%20from%20the%20hydrogen%20molecules.%20The%20result%20was%20smaller%20than%20observed%20by%20several%20orders%20of%20magnitude.%20In%20the%20present%20work%20it%20is%20assumed%20that%20sp%28z%29%20holes%20diffuse%20randomly%20throughout%20the%20Si%20lattice%2C%20dwelling%20on%20effective%20areas%20associated%20with%20sp%28z%29%20sites.%20The%20transition%20matrix%20elements%20are%20the%20same%20as%20for%20the%20scattering%20mechanism.%20The%20resultant%20characteristic%20time%20at%20room%20temperature%20we%20find%20to%20be%201000%20hr.%20Considering%20the%20uncertainties%20in%20the%20calculation%20the%20discrepancy%20between%20our%20result%20and%20observation%20is%20not%20sufficient%20as%20to%20negate%20our%20physical%20picture.%22%2C%22date%22%3A%222012%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1088%5C%2F1742-6596%5C%2F397%5C%2F1%5C%2F012064%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222015-04-22T07%3A48%3A38Z%22%7D%7D%2C%7B%22key%22%3A%22B3PQQ2PA%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Radovic%20et%20al.%22%2C%22parsedDate%22%3A%222011-11%22%2C%22numChildren%22%3A4%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3ERadovic%2C%20L.%20R.%2C%20Suarez%2C%20A.%2C%20Vallejos-Burgos%2C%20F.%20%26amp%3B%20Sofo%2C%20J.%20O.%20Oxygen%20migration%20on%20the%20graphene%20surface.%202.%20Thermochemistry%20of%20basal-plane%20diffusion%20%28hopping%29.%20%3Ci%3ECarbon%3C%5C%2Fi%3E%20%3Cb%3E49%3C%5C%2Fb%3E%2C%204226%26%23x2013%3B4238%20%282011%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Oxygen%20migration%20on%20the%20graphene%20surface.%202.%20Thermochemistry%20of%20basal-plane%20diffusion%20%28hopping%29%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Ljubisa%20R.%22%2C%22lastName%22%3A%22Radovic%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Alejandro%22%2C%22lastName%22%3A%22Suarez%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Fernando%22%2C%22lastName%22%3A%22Vallejos-Burgos%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%5D%2C%22abstractNote%22%3A%22Thermodynamic%20affinities%2C%20activation%20energies%20and%20diffusion%20coefficients%20for%20oxygen%20mobility%20on%20the%20graphene%20surface%20are%20calculated%20using%20density%20functional%20theory%20%28DFT%29.%20We%20report%20and%20discuss%20the%20effects%20of%20geometry%2C%20charge%20distribution%20and%20heteroatom%20substitution%20on%20the%20migration%20of%20epoxy%20oxygen%20on%20the%20basal%20plane%3A%20both%20the%20driving%20force%20and%20the%20ease%20of%20surface%20hopping%20are%20very%20sensitive%20to%20their%20variations.%20A%20significant%20decrease%20in%20the%20hopping%20energy%20barrier%20is%20observed%20when%20graphene%20contains%20free%20edge%20sites%20and%20oxygen%20functionalities%2C%20as%20well%20as%20upon%20an%20increase%20in%20electron%20density%3B%20conversely%2C%20the%20barrier%20increases%20as%20a%20consequence%20of%20electron%20removal%2C%20and%20the%20propensity%20for%20graphene%20%5Cu2018unzipping%5Cu2019%20also%20increases.%20There%20is%20a%20correlation%20between%20the%20hopping%20barrier%20and%20the%20C%5Cu2013O%20bond%20strength%20of%20the%20leaving%20epoxide%20group.%20Under%20the%20most%20favorable%20conditions%20investigated%2C%20oxygen%20mobility%20is%20quite%20high%2C%20of%20the%20same%20order%20as%20that%20of%20gas-phase%20O2%20in%20micropores%20%28ca.%2010%5Cu22129%26%23xa0%3Bm2%5C%2Fs%29.%20This%20is%20consistent%20with%20the%20increasingly%20acknowledged%20role%20of%20basal-plane%20oxygen%20as%20a%20protagonist%20%28e.g.%2C%20reaction%20intermediate%29%2C%20instead%20of%20a%20spectator%2C%20in%20the%20wide%20variety%20of%20adsorption%20and%20reaction%20processes%20involving%20sp2-hybridized%20carbon%20materials.%22%2C%22date%22%3A%22November%202011%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1016%5C%2Fj.carbon.2011.05.037%22%2C%22ISSN%22%3A%220008-6223%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Fwww.sciencedirect.com%5C%2Fscience%5C%2Farticle%5C%2Fpii%5C%2FS0008622311004003%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%2C%22ZN8HBWSK%22%5D%2C%22dateModified%22%3A%222012-12-30T17%3A27%3A22Z%22%7D%7D%2C%7B%22key%22%3A%22RQFH9IQB%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Shen%20and%20Sofo%22%2C%22parsedDate%22%3A%222011-06-24%22%2C%22numChildren%22%3A2%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EShen%2C%20N.%20%26amp%3B%20Sofo%2C%20J.%20O.%20Dispersion%20of%20edge%20states%20and%20quantum%20confinement%20of%20electrons%20in%20graphene%20channels%20drawn%20on%20graphene%20fluoride.%20%3Ci%3EPhys.%20Rev.%20B%3C%5C%2Fi%3E%20%3Cb%3E83%3C%5C%2Fb%3E%2C%20245424%20%282011%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Dispersion%20of%20edge%20states%20and%20quantum%20confinement%20of%20electrons%20in%20graphene%20channels%20drawn%20on%20graphene%20fluoride%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Ning%22%2C%22lastName%22%3A%22Shen%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%5D%2C%22abstractNote%22%3A%22Graphene%20is%20an%20excellent%20conductor%2C%20while%20graphene%20fluoride%20is%20a%20wide%20band-gap%20semiconductor.%20We%20propose%20the%20formation%20of%20graphene%20channels%20embedded%20in%20graphene%20fluoride%20as%20a%20method%20to%20induce%20quantum%20confinement%20of%20charge%20carriers%20in%20graphene.%20In%20particular%2C%20we%20study%20the%20electronic%20structure%20of%20graphene%20channels%20drawn%20on%20the%20fluoride%20along%20two%20high-symmetry%20directions%3A%20the%20armchair%20and%20zigzag%20orientations.%20The%20zigzag%20channels%20are%20found%20to%20have%20dispersive%20one-dimensional%20edge%20bands%2C%20contrary%20to%20the%20case%20of%20ribbons%20and%20channels%20drawn%20on%20graphane%2C%20where%20the%20edge%20state%20is%20flat%20close%20to%20the%20Fermi%20level%20and%20has%20a%20very%20large%20effective%20mass.%20The%20effective%20mass%20of%20this%20one-dimensional%20edge%20state%20can%20be%20controlled%20by%20electrostatic%20interactions%20at%20the%20edge%20of%20the%20channel.%20This%20result%20indicates%20that%20the%20mobility%20of%20these%20channels%20can%20be%20controlled%20by%20a%20localized%20gate%20voltage.%20The%20armchair%20channel%20is%20found%20to%20be%20metallic%20or%20semiconducting%20depending%20on%20the%20width%20of%20the%20channel%2C%20in%20agreement%20with%20ribbons%20and%20hydrogen-limited%20channels.%22%2C%22date%22%3A%22June%2024%2C%202011%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1103%5C%2FPhysRevB.83.245424%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Flink.aps.org%5C%2Fdoi%5C%2F10.1103%5C%2FPhysRevB.83.245424%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222011-06-24T21%3A24%3A37Z%22%7D%7D%2C%7B%22key%22%3A%228H44ZGA6%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Bandura%20et%20al.%22%2C%22parsedDate%22%3A%222011-05-19%22%2C%22numChildren%22%3A2%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EBandura%2C%20A.%20V.%2C%20Sofo%2C%20J.%20O.%20%26amp%3B%20Kubicki%2C%20J.%20D.%20Adsorption%20of%20Zn%3Csup%3E2%2B%3C%5C%2Fsup%3E%20on%20the%20%28110%29%20Surface%20of%20TiO%3Csub%3E2%3C%5C%2Fsub%3E%20%28Rutile%29%3A%20A%20Density%20Functional%20Molecular%20Dynamics%20Study.%20%3Ci%3EJ.%20Phys.%20Chem.%20C%3C%5C%2Fi%3E%20%3Cb%3E115%3C%5C%2Fb%3E%2C%209608%26%23x2013%3B9614%20%282011%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Adsorption%20of%20Zn%3Csup%3E2%2B%3C%5C%2Fsup%3E%20on%20the%20%28110%29%20Surface%20of%20TiO%3Csub%3E2%3C%5C%2Fsub%3E%20%28Rutile%29%3A%20A%20Density%20Functional%20Molecular%20Dynamics%20Study%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22A.%20V.%22%2C%22lastName%22%3A%22Bandura%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22J.%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22J.%20D.%22%2C%22lastName%22%3A%22Kubicki%22%7D%5D%2C%22abstractNote%22%3A%22Adsorption%20of%20Zn2%2B%20at%20the%20rutile%20TiO2%20%28110%29-aqueous%20interface%20was%20studied%20with%20Born%3FOppenheimer%20molecular%20dynamics%20at%20300%20K.%20Simulations%20were%20carried%20out%20using%20the%20periodically%20repeated%20slab%20model%20with%20vacuum%20gap%20of%2015%20%5Cu00c5%20filled%20with%2072%20H2O%20molecules.%20Two%20possible%20adsorption%20sites%2C%20monodentate%20above%20bridging%20oxygen%20%28Ti%3FO%3FTi%20or%20Obr%29%20and%20bidentate%20above%20terminal%20oxygens%20%28Ti%3FO%29%2C%20were%20investigated.%20Sites%20with%20different%20coordination%20environment%20for%20adsorbed%20Zn2%2B%20differ%20from%20each%20other%20by%20the%20position%20of%20Zn2%2B%20above%20surface%20level%20and%20by%20characteristic%20Zn%3FO%20distances.%20Obtained%20results%20gave%20evidence%20that%204-fold%20coordination%20of%20adsorbed%20Zn2%2B%20is%20more%20probable%20than%20the%206-fold%20coordination%20found%20for%20aqueous%20species.%20The%20hydrolysis%20of%20H2O%20molecules%20was%20observed%20in%20the%20first%20coordination%20shell%20of%20adsorbed%20ion%2C%20resulting%20in%20formation%20of%20OH%3F%20groups%20attached%20to%20Zn2%2B.%20Calculated%20energies%20favor%20the%20tetrahedral%20bidentate%20structure%20of%20hydrated%20Zn2%2B%20on%20the%20rutile%20surface.%20The%20model%20structures%20are%20compared%20to%20observed%20positions%20of%20Zn2%2B%20above%20the%20rutile%20%28110%29%20surface%20using%20X-ray%20scattering%20techniques.%22%2C%22date%22%3A%22May%2019%2C%202011%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1021%5C%2Fjp200432p%22%2C%22ISSN%22%3A%221932-7447%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Fdx.doi.org%5C%2F10.1021%5C%2Fjp200432p%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222024-01-25T18%3A39%3A33Z%22%7D%7D%2C%7B%22key%22%3A%22CFMX4SFF%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Bandura%20et%20al.%22%2C%22parsedDate%22%3A%222011-04-07%22%2C%22numChildren%22%3A2%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EBandura%2C%20A.%20V.%2C%20Kubicki%2C%20J.%20D.%20%26amp%3B%20Sofo%2C%20J.%20O.%20Periodic%20Density%20Functional%20Theory%20Study%20of%20Water%20Adsorption%20on%20the%20%26%23x3B1%3B-Quartz%20%28101%29%20Surface.%20%3Ci%3EJ.%20Phys.%20Chem.%20C%3C%5C%2Fi%3E%20%3Cb%3E115%3C%5C%2Fb%3E%2C%205756%26%23x2013%3B5766%20%282011%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Periodic%20Density%20Functional%20Theory%20Study%20of%20Water%20Adsorption%20on%20the%20%5Cu03b1-Quartz%20%28101%29%20Surface%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22A.%20V.%22%2C%22lastName%22%3A%22Bandura%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22J.%20D.%22%2C%22lastName%22%3A%22Kubicki%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22J.%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%5D%2C%22abstractNote%22%3A%22Plane%20wave%20density%20functional%20theory%20%28DFT%29%20calculations%20have%20been%20performed%20to%20study%20the%20atomic%20structure%2C%20preferred%20H2O%20adsorption%20sites%2C%20adsorption%20energies%2C%20and%20vibrational%20frequencies%20for%20water%20adsorption%20on%20the%20%5Cu03b1-quartz%20%28101%29%20surface.%20Surface%20energies%20and%20atomic%20displacements%20on%20the%20vacuum-reconstructed%2C%20hydrolyzed%2C%20and%20solvated%20surfaces%20have%20been%20calculated%20and%20compared%20with%20available%20experimental%20and%20theoretical%20data.%20By%20considering%20different%20initial%20positions%20of%20H2O%20molecules%2C%20the%20most%20stable%20structures%20of%20water%20adsorption%20at%20different%20coverages%20have%20been%20determined.%20Calculated%20H2O%20adsorption%20energies%20are%20in%20the%20range%20%3F55%20to%20%3F65%20kJ%5C%2Fmol%2C%20consistent%20with%20experimental%20data.%20The%20lowest%20and%20the%20highest%20O%3FH%20stretching%20vibrational%20bands%20may%20be%20attributed%20to%20different%20states%20of%20silanol%20groups%20on%20the%20water-covered%20surface.%20The%20dissociation%20energy%20of%20the%20silanol%20group%20on%20the%20surface%20covered%20by%20the%20adsorption%20monolayer%20is%20estimated%20to%20be%20%2B80%20kJ%5C%2Fmol.%20The%20metastable%20states%20for%20the%20protonated%20surface%20bridging%20O%20atoms%20%28Obr%29%2C%20which%20may%20lead%20to%20hydrolysis%20of%20siloxane%20bonds%2C%20have%20been%20investigated.%20The%20calculated%20formation%20energy%20of%20a%20Q2%20center%20from%20a%20Q3%20center%20on%20the%20%28101%29%20surface%20with%202%5C%2F3%20dense%20monolayer%20coverage%20is%20equal%20to%20%2B70%20kJ%5C%2Fmol%20which%20is%20in%20the%20range%20of%20experimental%20activation%20energies%20for%20quartz%20dissolution.%22%2C%22date%22%3A%22April%207%2C%202011%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1021%5C%2Fjp1106636%22%2C%22ISSN%22%3A%221932-7447%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Fdx.doi.org%5C%2F10.1021%5C%2Fjp1106636%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222024-01-25T18%3A39%3A33Z%22%7D%7D%2C%7B%22key%22%3A%22KDDW9HSU%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Suarez%20et%20al.%22%2C%22parsedDate%22%3A%222011-04-05%22%2C%22numChildren%22%3A2%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3ESuarez%2C%20A.%20M.%2C%20Radovic%2C%20L.%20R.%2C%20Bar-Ziv%2C%20E.%20%26amp%3B%20Sofo%2C%20J.%20O.%20Gate-Voltage%20Control%20of%20Oxygen%20Diffusion%20on%20Graphene.%20%3Ci%3EPhys.%20Rev.%20Lett.%3C%5C%2Fi%3E%20%3Cb%3E106%3C%5C%2Fb%3E%2C%20146802%20%282011%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Gate-Voltage%20Control%20of%20Oxygen%20Diffusion%20on%20Graphene%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Alejandro%20M.%22%2C%22lastName%22%3A%22Suarez%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Ljubisa%20R.%22%2C%22lastName%22%3A%22Radovic%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Ezra%22%2C%22lastName%22%3A%22Bar-Ziv%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%5D%2C%22abstractNote%22%3A%22We%20analyze%20the%20diffusion%20of%20oxygen%20atoms%20on%20graphene%20and%20its%20dependence%20on%20the%20carrier%20density%20controlled%20by%20a%20gate%20voltage.%20We%20use%20density%20functional%20theory%20to%20determine%20the%20equilibrium%20adsorption%20sites%2C%20the%20transition%20state%2C%20and%20the%20attempt%20frequency%20for%20different%20carrier%20densities.%20The%20ease%20of%20diffusion%20is%20strongly%20dependent%20on%20carrier%20density.%20For%20neutral%20graphene%2C%20we%20calculate%20a%20barrier%20of%200.73%20eV%3B%20however%2C%20upon%20electron%20doping%20the%20barrier%20decreases%20almost%20linearly%20to%20reach%20values%20as%20low%20as%200.15%20eV%20for%20densities%20of%20-7.6%5Cu00d71013%20cm-2.%20This%20implies%20an%20increase%20of%20more%20than%209%20orders%20of%20magnitude%20in%20the%20diffusion%20coefficient%20at%20room%20temperature.%20This%20dramatic%20change%20is%20due%20to%20a%20combined%20effect%20of%20bonding%20reduction%20in%20the%20equilibrium%20state%20and%20bonding%20increase%20at%20the%20transition%20state%20and%20can%20be%20used%20to%20control%20the%20patterning%20of%20oxidized%20regions%20by%20an%20adequate%20variation%20of%20the%20gate%20voltage.%22%2C%22date%22%3A%22April%2005%2C%202011%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1103%5C%2FPhysRevLett.106.146802%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Flink.aps.org%5C%2Fdoi%5C%2F10.1103%5C%2FPhysRevLett.106.146802%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%2C%22ZN8HBWSK%22%5D%2C%22dateModified%22%3A%222011-10-25T21%3A50%3A25Z%22%7D%7D%2C%7B%22key%22%3A%22P2E8G8VI%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Sofo%20et%20al.%22%2C%22parsedDate%22%3A%222011-02-17%22%2C%22numChildren%22%3A2%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3ESofo%2C%20J.%20O.%20%3Ci%3Eet%20al.%3C%5C%2Fi%3E%20Electrical%20control%20of%20the%20chemical%20bonding%20of%20fluorine%20on%20graphene.%20%3Ci%3EPhys.%20Rev.%20B%3C%5C%2Fi%3E%20%3Cb%3E83%3C%5C%2Fb%3E%2C%20081411%20%282011%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Electrical%20control%20of%20the%20chemical%20bonding%20of%20fluorine%20on%20graphene%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22J.%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22A.%20M.%22%2C%22lastName%22%3A%22Suarez%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Gonzalo%22%2C%22lastName%22%3A%22Usaj%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22P.%20S.%22%2C%22lastName%22%3A%22Cornaglia%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22A.%20D.%22%2C%22lastName%22%3A%22Hern%5Cu00e1ndez-Nieves%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22C.%20A.%22%2C%22lastName%22%3A%22Balseiro%22%7D%5D%2C%22abstractNote%22%3A%22We%20study%20the%20electronic%20structure%20of%20diluted%20F%20atoms%20chemisorbed%20on%20graphene%20using%20density%20functional%20theory%20calculations.%20We%20show%20that%20the%20nature%20of%20the%20chemical%20bonding%20of%20a%20F%20atom%20adsorbed%20on%20top%20of%20a%20C%20atom%20in%20graphene%20strongly%20depends%20on%20carrier%20doping.%20In%20neutral%20samples%20the%20F%20impurities%20induce%20a%20sp3-like%20bonding%20of%20the%20C%20atom%20below%2C%20generating%20a%20local%20distortion%20of%20the%20hexagonal%20lattice.%20As%20the%20graphene%20is%20electron-doped%2C%20the%20C%20atom%20retracts%20back%20to%20the%20graphene%20plane%20and%20for%20high%20doping%20%281014%20cm-2%29%20its%20electronic%20structure%20corresponds%20to%20a%20nearly%20pure%20sp2%20configuration.%20We%20interpret%20this%20sp3-sp2%20doping-induced%20crossover%20in%20terms%20of%20a%20simple%20tight-binding%20model%20and%20discuss%20the%20physical%20consequences%20of%20this%20change.%22%2C%22date%22%3A%22February%2017%2C%202011%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1103%5C%2FPhysRevB.83.081411%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Flink.aps.org%5C%2Fdoi%5C%2F10.1103%5C%2FPhysRevB.83.081411%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%2C%226VP4NEVV%22%5D%2C%22dateModified%22%3A%222011-02-18T19%3A41%3A13Z%22%7D%7D%2C%7B%22key%22%3A%22CJZST6ES%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Iordanov%20and%20Sofo%22%2C%22parsedDate%22%3A%222011%22%2C%22numChildren%22%3A1%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EIordanov%2C%20I.%20%26amp%3B%20Sofo%2C%20J.%20O.%20Multiple%20isomers%20in%20the%20photoelectron%20spectra%20of%20small%20mono-niobium%20carbide%20clusters.%20%3Ci%3EJ.%20Chem.%20Phys.%3C%5C%2Fi%3E%20%3Cb%3E134%3C%5C%2Fb%3E%2C%20184310%20%282011%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Multiple%20isomers%20in%20the%20photoelectron%20spectra%20of%20small%20mono-niobium%20carbide%20clusters%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Ivan%22%2C%22lastName%22%3A%22Iordanov%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%5D%2C%22abstractNote%22%3A%22%22%2C%22date%22%3A%222011%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1063%5C%2F1.3587242%22%2C%22ISSN%22%3A%2200219606%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Flink.aip.org%5C%2Flink%5C%2FJCPSA6%5C%2Fv134%5C%2Fi18%5C%2Fp184310%5C%2Fs1%26Agg%3Ddoi%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%2C%22DQSBV7PZ%22%2C%22KE9AVQN7%22%5D%2C%22dateModified%22%3A%222011-06-01T14%3A37%3A26Z%22%7D%7D%2C%7B%22key%22%3A%22KIF65N8D%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Cole%20et%20al.%22%2C%22parsedDate%22%3A%222010-08-25%22%2C%22numChildren%22%3A0%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3ECole%2C%20M.%20W.%20%3Ci%3Eet%20al.%3C%5C%2Fi%3E%20Structural%2C%20electronic%2C%20optical%20and%20vibrational%20properties%20of%20nanoscale%20carbons%20and%20nanowires%3A%20a%20colloquial%20review.%20%3Ci%3EJournal%20of%20Physics-Condensed%20Matter%3C%5C%2Fi%3E%20%3Cb%3E22%3C%5C%2Fb%3E%2C%20334201%20%282010%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Structural%2C%20electronic%2C%20optical%20and%20vibrational%20properties%20of%20nanoscale%20carbons%20and%20nanowires%3A%20a%20colloquial%20review%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Milton%20W.%22%2C%22lastName%22%3A%22Cole%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Vincent%20H.%22%2C%22lastName%22%3A%22Crespi%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Mildred%20S.%22%2C%22lastName%22%3A%22Dresselhaus%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Gene%22%2C%22lastName%22%3A%22Dresselhaus%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22John%20E.%22%2C%22lastName%22%3A%22Fischer%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Humberto%20R.%22%2C%22lastName%22%3A%22Gutierrez%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22K.%22%2C%22lastName%22%3A%22Kojima%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Gerald%20D.%22%2C%22lastName%22%3A%22Mahan%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Apparao%20M.%22%2C%22lastName%22%3A%22Rao%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22M.%22%2C%22lastName%22%3A%22Tachibana%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22K.%22%2C%22lastName%22%3A%22Wako%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Qihua%22%2C%22lastName%22%3A%22Xiong%22%7D%5D%2C%22abstractNote%22%3A%22This%20review%20addresses%20the%20field%20of%20nanoscience%20as%20viewed%20through%20the%20lens%20of%20the%20scientific%20career%20of%20Peter%20Eklund%2C%20thus%20with%20a%20special%20focus%20on%20nanocarbons%20and%20nanowires.%20Peter%20brought%20to%20his%20research%20an%20intense%20focus%2C%20imagination%2C%20tenacity%2C%20breadth%20and%20ingenuity%20rarely%20seen%20in%20modern%20science.%20His%20goal%20was%20to%20capture%20the%20essential%20physics%20of%20natural%20phenomena.%20This%20attitude%20also%20guides%20our%20writing%3A%20we%20focus%20on%20basic%20principles%2C%20without%20sacrificing%20accuracy%2C%20while%20hoping%20to%20convey%20an%20enthusiasm%20for%20the%20science%20commensurate%20with%20Peter%27s.%20The%20term%20%27colloquial%20review%27%20is%20intended%20to%20capture%20this%20style%20of%20presentation.%20The%20diverse%20phenomena%20of%20condensed%20matter%20physics%20involve%20electrons%2C%20phonons%20and%20the%20structures%20within%20which%20excitations%20reside.%20The%20%27nano%27%20regime%20presents%20particularly%20interesting%20and%20challenging%20science.%20Finite%20size%20effects%20play%20a%20key%20role%2C%20exemplified%20by%20the%20discrete%20electronic%20and%20phonon%20spectra%20of%20C-60%20and%20other%20fullerenes.%20The%20beauty%20of%20such%20molecules%20%28as%20well%20as%20nanotubes%20and%20graphene%29%20is%20reflected%20by%20the%20theoretical%20principles%20that%20govern%20their%20behavior.%20As%20to%20the%20challenge%2C%20%27nano%27%20requires%20special%20care%20in%20materials%20preparation%20and%20treatment%2C%20since%20the%20surface-to-volume%20ratio%20is%20so%20high%3B%20they%20also%20often%20present%20difficulties%20of%20acquiring%20an%20experimental%20signal%2C%20since%20the%20samples%20can%20be%20quite%20small.%20All%20of%20the%20atoms%20participate%20in%20the%20various%20phenomena%2C%20without%20any%20genuinely%20%27bulk%27%20properties.%20Peter%20was%20a%20master%20of%20overcoming%20such%20challenges.%20The%20primary%20activity%20of%20Eklund%27s%20research%20was%20to%20measure%20and%20understand%20the%20vibrations%20of%20atoms%20in%20carbon%20materials.%20Raman%20spectroscopy%20was%20very%20dear%20to%20Peter.%20He%20published%20several%20papers%20on%20the%20theory%20of%20phonons%20%28Eklund%20et%20al%201995a%20Carbon%2033%20959-72%2C%20Eklund%20et%20al%201995b%20Thin%20Solid%20Films%20257%20211-32%2C%20Eklund%20et%20al%201992%20J.%20Phys.%20Chem.%20Solids%2053%201391-413%2C%20Dresselhaus%20and%20Eklund%202000%20Adv.%20Phys.%2049%20705-814%29%20and%20many%20more%20papers%20on%20measuring%20phonons%20%28Pimenta%20et%20al%201998b%20Phys.%20Rev.%20B%2058%2016016-9%2C%20Rao%20et%20al%201997a%20Nature%20338%20257-9%2C%20Rao%20et%20al%201997b%20Phys.%20Rev.%20B%2055%204766-73%2C%20Rao%20et%20al%201997c%20Science%20275%20187-91%2C%20Rao%20et%20al%201998%20Thin%20Solid%20Films%20331%20141-7%29.%20His%20careful%20sample%20treatment%20and%20detailed%20Raman%20analysis%20contributed%20greatly%20to%20the%20elucidation%20of%20photochemical%20polymerization%20of%20solid%20C-60%20%28Rao%20et%20al%201993b%20Science%20259%20955-7%29.%20He%20developed%20Raman%20spectroscopy%20as%20a%20standard%20tool%20for%20gauging%20the%20diameter%20of%20a%20single-walled%20carbon%20nanotube%20%28Bandow%20et%20al%201998%20Phys.%20Rev.%20Lett.%2080%203779-82%29%2C%20distinguishing%20metallic%20versus%20semiconducting%20single-walled%20carbon%20nanotubes%2C%20%28Pimenta%20et%20al%201998a%20J.%20Mater.%20Res.%2013%202396-404%29%20and%20measuring%20the%20number%20of%20graphene%20layers%20in%20a%20peeled%20flake%20of%20graphite%20%28Gupta%20et%20al%202006%20Nano%20Lett.%206%202667-73%29.%20For%20these%20and%20other%20ground%20breaking%20contributions%20to%20carbon%20science%20he%20received%20the%20Graffin%20Lecture%20award%20from%20the%20American%20Carbon%20Society%20in%202005%2C%20and%20the%20Japan%20Carbon%20Prize%20in%202008.%20As%20a%20material%2C%20graphite%20has%20come%20full%20circle.%20The%201970s%20renaissance%20in%20the%20science%20of%20graphite%20intercalation%20compounds%20paved%20the%20way%20for%20a%20later%20explosion%20in%20nanocarbon%20research%20by%20illuminating%20many%20beautiful%20fundamental%20phenomena%2C%20subsequently%20rediscovered%20in%20other%20forms%20of%20nanocarbon.%20In%201985%2C%20Smalley%2C%20Kroto%2C%20Curl%2C%20Heath%20and%20O%27Brien%20discovered%20carbon%20cage%20molecules%20called%20fullerenes%20in%20the%20soot%20ablated%20from%20a%20rotating%20graphite%20target%20%28Kroto%20et%20al%201985%20Nature%20318%20162-3%29.%20At%20that%20time%2C%20Peter%27s%20research%20was%20focused%20mainly%20on%20the%20oxide-based%20high-temperature%20superconductors.%20He%20switched%20to%20fullerene%20research%20soon%20after%20the%20discovery%20that%20an%20electric%20arc%20can%20prepare%20fullerenes%20in%20bulk%20quantities%20%28Haufler%20et%20al%201990%20J.%20Phys.%20Chem.%2094%208634-6%29.%20Later%20fullerene%20research%20spawned%20nanotubes%2C%20and%20nanotubes%20spawned%20a%20newly%20exploding%20research%20effort%20on%20single-layer%20graphene.%20Graphene%20has%20hence%20evolved%20from%20an%20oversimplified%20model%20of%20graphite%20%28Wallace%201947%20Phys.%20Rev.%2071%20622-34%29%20to%20a%20new%20member%20of%20the%20nanocarbon%20family%20exhibiting%20extraordinary%20electronic%20properties.%20Eklund%27s%20career%20spans%20this%2035-year%20odyssey.%22%2C%22date%22%3A%22AUG%2025%20%202010%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1088%5C%2F0953-8984%5C%2F22%5C%2F33%5C%2F334201%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222015-04-22T07%3A48%3A38Z%22%7D%7D%2C%7B%22key%22%3A%22A5XGPXJK%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Cole%20et%20al.%22%2C%22parsedDate%22%3A%222010-08%22%2C%22numChildren%22%3A1%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3ECole%2C%20M.%20W.%20%3Ci%3Eet%20al.%3C%5C%2Fi%3E%20Peter%20Clay%20Eklund%3A%20a%20scientific%20biography.%20%3Ci%3EJ.%20Phys.%3A%20Condens.%20Matter%3C%5C%2Fi%3E%20%3Cb%3E22%3C%5C%2Fb%3E%2C%20330301%20%282010%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Peter%20Clay%20Eklund%3A%20a%20scientific%20biography%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Milton%20W.%22%2C%22lastName%22%3A%22Cole%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Vincent%20H.%22%2C%22lastName%22%3A%22Crespi%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Gene%20F.%22%2C%22lastName%22%3A%22Dresselhaus%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Mildred%20S.%22%2C%22lastName%22%3A%22Dresselhaus%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Gerald%20D.%22%2C%22lastName%22%3A%22Mahan%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%5D%2C%22abstractNote%22%3A%22Peter%20Eklund%20grew%20up%20in%20Southern%20California%20and%20attended%20the%20University%20of%20California%20at%20Berkeley%2C%20majoring%20in%20physics.%20After%20working%20for%20one%20year%20at%20the%20Lockheed%20Missile%20and%20Space%20Company%20in%20Sunnyvale%2C%20California%2C%20he%20left%20to%20pursue%20graduate%20studies%20at%20Purdue%20University.%20There%20he%20carried%20out%20PhD%20research%20in%20strongly%20correlated%20electron%20and%20phonon%20systems%20under%20the%20supervision%20of%20J%20M%20Honig%20and%20L%20L%20van%20Zandt.%20Peter%20joined%20the%20group%20of%20Millie%20and%20Gene%20Dresselhaus%20at%20MIT%20in%201974%20as%20a%20Postdoctoral%20Fellow%20after%20one%20year%20as%20an%20instructor%20at%20the%20University%20of%20Kentucky.%20At%20MIT%2C%20he%20continued%20work%20on%20strongly%20correlated%20systems%20in%20collaboration%20with%20Professor%20David%20Adler%20%28who%20had%20an%20adjoining%20office%29%2C%20but%20for%20the%20most%20part%20he%20got%20excited%20about%20sp2%20carbon%20systems%20and%20graphite%20intercalation%20compounds%2C%20a%20new%20research%20direction%20which%20the%20Dresselhaus%20group%20had%20started%20one%20year%20before%20Peter%27s%20arrival%20at%20MIT.%20Over%20the%20next%2035%20years%20Peter%2C%20Millie%20and%20Gene%20co-authored%20over%2050%20research%20articles%2C%20several%20review%20articles%2C%20and%20a%20big%20nine-hundred-and-fifty%20page%20book.%20In%201974%2C%20they%20saw%20graphite%20intercalation%20compounds%20as%20a%20long-neglected%20research%20direction%20of%20great%20promise.%20They%20studied%20these%20new%20materials%20together%20over%20the%20next%2016%20years%2C%20focusing%20on%20their%20optical%20spectroscopy.%20Their%20pioneering%20vibrational%20spectroscopy%20studies%20provided%20a%20means%20to%20characterize%20the%20fundamental%20properties%20of%20carbon%20materials.%20Optical%20spectroscopy%20became%20a%20centerpiece%20in%20the%20research%20portfolios%20of%20all%20three%2C%20both%20when%20they%20were%20together%20at%20MIT%20and%20after%20Peter%20left%20for%20the%20University%20of%20Kentucky%20in%201977%20to%20start%20his%20independent%20career%20as%20an%20Assistant%20Professor%20of%20Physics.%20Peter%20became%20a%20full%20Professor%20at%20Kentucky%20in%201986.%20He%20continued%20to%20work%20with%20Millie%20and%20Gene%20and%20also%20acquired%20an%20ever-expanding%20network%20of%20students%2C%20postdocs%20and%20collaborators.%20As%20each%20new%20carbon%20nanostructure%20emerged%5Cu2014graphite%20intercalation%20compounds%2C%20fullerenes%2C%20carbon%20nanotubes%2C%20and%20most%20recently%20graphene%5Cu2014Peter%20was%20at%20the%20cutting%20edge%2C%20leading%20the%20charge%20forward.%20His%20work%20on%20fullerenes%2C%20starting%20around%201988%2C%20culminated%20in%20a%20book%20co-authored%20with%20Millie%20and%20Gene%20in%201996%2C%20The%20Science%20of%20Fullerenes%20and%20Carbon%20Nanotubes%20%5B1%5D.%20Through%20careful%20sample%20handling%20and%20analysis%2C%20his%20group%20at%20Kentucky%20discovered%20the%20mechanism%20of%20photo-polymerization%20in%20fullerenes.%20In%202000%2C%20Peter%20co-edited%20the%20research%20monograph%20Fullerene%20Polymers%20and%20Fullerene%20Polymer%20Composites%20with%20A%20M%20Rao%2C%20a%20former%20student%20%5B2%5D.%20His%20group%20at%20Kentucky%20also%20performed%20the%20first%20definitive%20Raman%20study%20of%20the%20phonons%20responsible%20for%20superconductivity%20in%20alkali-doped%20fullerene%20compounds.%20Peter%20was%20awarded%20the%20prestigious%20University%20of%20Kentucky%20Research%20Professorship%20for%20his%20contributions%20to%20graduate%20education%20and%20research%20discoveries%20in%20carbon%20materials.%20In%20the%20summer%20of%201991%2C%20Peter%20held%20early%20discussions%20with%20his%20two%20long-time%20collaborators%20on%20the%20possibility%20of%20carbon%20nanotubes.%20These%20discussions%20inspired%20a%20talk%20by%20Millie%20at%20a%20fullerene%20workshop%20the%20next%20day%20concerning%20the%20possible%20existence%20of%20single-walled%20carbon%20nanotubes%20%5B3%5D.%20The%20first%20papers%20by%20Iijima%20on%20the%20synthesis%20of%20multiwalled%20nanotubes%20appeared%20soon%20thereafter%20%5B4%5D.%20In%201994%2C%20Peter%20measured%20an%20early%20Raman%20spectrum%20on%20a%20sample%20containing%20just%201%25%20of%20single-walled%20tubes.%20On%20the%20basis%20of%20this%20early%20work%2C%20he%20convinced%20Rick%20Smalley%20to%20provide%20him%20with%20a%20proper%20sample%20of%20single-walled%20carbon%20nanotubes%20in%201996%3B%20this%20is%20the%20sample%20on%20which%20the%20highly%20cited%20single-walled%20carbon%20nanotube%20Raman%20spectrum%20was%20taken%20%5B5%5D.%20Carbon%20nanotubes%20then%20became%20a%20central%20focus%20of%20the%20Eklund%20group.%20Peter%2C%20Millie%20and%20Gene%20worked%20together%20on%20many%20aspects%20of%20carbon%20nanotubes%2C%20including%20the%20study%20of%20infrared-active%20modes%2C%20Raman%20active%20modes%2C%20Raman%20spectra%20for%20single-walled%20nanotubes%2C%20and%20the%20differences%20in%20the%20Raman%20spectra%20of%20semiconducting%20and%20metallic%20tubes.%20In%202009%20they%20combined%20efforts%20to%20investigate%20phonons%20in%20graphene.%20Peter%20was%20also%20an%20entrepreneur.%20He%20started%20a%20company%2C%20CarboLex%2C%20to%20make%20and%20sell%20nanotubes%20in%20large%20quantities%2C%20thereby%20giving%20industrial%20support%20to%20advancing%20fundamental%20science.%20He%20co-founded%20two%20additional%20companies%3A%20PhotoStealth%20produced%20computer-generated%20camouflage%20patterns%20printed%20on%20textiles%20and%20ICMR%20pursued%20laser-driven%20synthesis%20of%20nanoparticles%20and%20coatings.%20ICMR%20moved%20from%20Lexington%20to%20Silicon%20Valley%20and%20evolved%20into%20Nanogram%2C%20later%20reorganized%20as%20NeoPhotonics.%20Both%20CarboLex%20and%20NeoPhotonics%20are%20still%20actively%20engaged%20in%20the%20research%20and%20development%20of%20nano-materials.%20Peter%20joined%20the%20Physics%20Department%20at%20Penn%20State%20University%20in%201999%2C%20becoming%20a%20Distinguished%20Professor%20in%202008.%20In%202002%2C%20he%20also%20joined%20the%20faculty%20of%20the%20Department%20of%20Materials%20Science%20and%20Engineering.%20In%20addition%20to%20further%20seminal%20work%20on%20carbon%20materials%2C%20Peter%20initiated%20a%20research%20effort%20in%20semiconducting%20nanowires%2C%20obtaining%20the%20first%20clear%20evidence%20of%20phonon%20confinement%20in%201D%20nanostructures.%20After%20the%20Novoselov-Geim%20work%20on%20monolayer%20graphene%20appeared%2C%20once%20again%20Peter%20Eklund%20was%20there%20to%20publish%20very%20early%20Raman%20spectra%20on%20monolayer%2C%20bilayer%20and%20few-layer%20graphene.%20Thus%2C%20the%20work%20of%20Peter%20Eklund%20unfolds%20the%20leading%20wave%20of%20discoveries%20in%20carbon%20nanostructures%20starting%20in%201974%20and%20continuing%20over%20a%20thirty-five%20year%20period%20to%20August%202009.%20Peter%20mentored%20more%20than%2040%20graduate%20students%20and%20postdoctoral%20fellows.%20He%20co-authored%20over%20300%20research%20articles%20and%20more%20than%2020%20chapters%20in%20monographs.%20His%20scientific%20oeuvre%20has%20been%20cited%20more%20than%2016%20000%20times.%20Peter%20acquired%20three%20US%20patents%20with%20five%20more%20pending.%20He%20was%20recognized%20with%20the%20Japan%20Carbon%20Award%20%282008%29%2C%20the%20American%20Carbon%20Society%20Graffin%20Award%20%282005%29%2C%20American%20Physical%20Society%20Fellowship%20%281990%29%2C%20and%20visiting%5C%2Fhonorary%20professorships%20in%20Nankai%20University%2C%20Yokohama%20City%20University%2C%20Shinshu%20University%2C%20Tokyo%20Science%20University%2C%20and%20%28as%20a%20visiting%20scientist%29%20in%20the%20Solid%20State%20Division%20of%20Oak%20Ridge%20National%20Laboratory.%20From%202003%20to%202006%20he%20was%20a%20member%20of%20the%20Solid%20State%20Sciences%20Committee%20of%20the%20US%20National%20Academy%20of%20Sciences.%20Peter%20enjoyed%20challenges.%20He%20was%20in%20his%20glory%20while%20interpreting%20the%20stories%20told%20by%20experimental%20data%20in%20partnership%20with%20his%20colleagues%20and%20research%20team%20of%20dedicated%20postdocs%20and%20students.%20Peter%20was%20admired%20all%20over%20the%20world%20for%20his%20creativity%2C%20his%20kindness%2C%20his%20engaging%20personality%2C%20his%20breadth%20of%20interests%2C%20his%20sensitive%20character%20and%20his%20quick%20wit.%20Several%20friends%20have%20shared%20their%20memories%3A%20Kumble%20Subbaswamy%20%28University%20of%20Kentucky%2C%20USA%29%3A%20%27Peter%2C%20along%20with%20Karen%2C%20were%20the%20gentlest%20and%20most%20generous%20souls%20I%20have%20ever%20met.%20He%20picked%20up%20stray%20dogs%20and%20stray%20graduate%20students%20alike%2C%20nurturing%20them%20through%20sickness%20and%20health.%20I%20will%20never%20forget%20the%20hospice-like%20care%20he%20provided%20to%20one%20international%20student%20who%20worked%20in%20his%20lab%2C%20but%20succumbed%20to%20cancer.%20In%20his%20early%20days%20at%20Kentucky%2C%20when%20funds%20to%20support%20his%20research%20were%20very%20scarce%2C%20he%20made%20frequent%20visits%20to%20the%20military%20surplus%20store%20nearby%20and%20behaved%20like%20a%20kid%20in%20a%20candy%20store%2C%20bringing%20back%20all%20sorts%20of%20electrical%20and%20mechanical%20parts%20for%20his%20experiments.%20It%20is%20in%20no%20small%20measure%20due%20to%20this%20ability%20that%20he%20built%20such%20a%20successful%20career.%20Peter%20was%20without%20peer%20when%20it%20came%20to%20instrument%20design%20and%20fabrication.%20I%20mentioned%20to%20him%2C%20during%20my%20job%20interview%20at%20the%20University%20of%20Kentucky%20%28where%20he%20arrived%20one%20year%20before%20me%29%2C%20my%20interest%20in%20studying%20the%20Raman%20spectra%20of%20molten%20alkali%20halides.%20Several%20months%20later%20when%20I%20arrived%20on%20campus%2C%20I%20was%20surprised%20to%20find%20he%20had%20constructed%20a%20beautifully%20crafted%20Raman%20chamber%20supporting%20a%20contactless%20molten%20sample%21%20He%20had%20anticipated%20and%20addressed%20every%20possible%20complication.%27%20Qihua%20Xiong%20%28Nanyang%20Technical%20University%2C%20Singapore%29%3A%20%27Peter%20was%20a%20great%20mentor%3B%20he%20knew%20how%20to%20stimulate%20students%20to%20explore%20their%20full%20potential.%20Students%20could%20knock%20on%20his%20door%20with%20questions%20or%20with%20new%20data%20any%20time.%20He%20was%20always%20patient.%20He%20explained%20physics%20with%20his%20fountain%20pen%20on%20a%20notepad%20or%20with%20a%20marker%20on%20a%20white%20board%20until%20students%20understood.%20When%20students%20made%20mistakes%2C%20he%20never%20blamed%20the%20student%2C%20because%20he%20believed%20it%20is%20part%20of%20training%20to%20allow%20students%20to%20make%20mistakes.%20I%20once%20designed%20a%20mask%20adapter%20to%20connect%20our%20existing%20three-inch%20photomasks%20to%20Srinivas%27s%20four-inch%20mask%20aligner.%20The%20design%20looked%20beautiful%20and%20the%20machine%20shop%20did%20a%20perfect%20job%20to%20machine%20and%20polish%20the%20piece.%20Unfortunately%2C%20I%20made%20a%20stupid%20mistake.%20The%20central%20opening%20was%20slightly%20larger%20than%20the%20square%20vacuum%20groves%20behind%20the%20mask%20holder%20and%20as%20a%20result%2C%20it%20leaked%21%20I%20was%20very%20disappointed%20in%20myself%2C%20as%20I%20not%20only%20wasted%20grant%20money%20but%20also%20delayed%20our%20experiment.%20Peter%20patted%20my%20shoulder%2C%20picked%20up%20a%20sharpie%20and%20wrote%20on%20the%20mask%20adapter%2C%20%27even%20great%20people%20make%20mistakes%2C%20but%20they%20learn.%27%20So%20we%20machined%20another%20one%2C%20and%20it%20worked%20well.%20This%20failure%20piece%20still%20stands%20on%20my%20bookshelf.%20I%20keep%20it%20as%20a%20motto%3A%20it%20warns%20me%20not%20to%20make%20any%20mistakes%20like%20that%2C%20but%20more%20importantly%20it%20encourages%20me%20to%20be%20a%20supervisor%20like%20Peter.%27%20Joe%20Brill%20%28University%20of%20Kentucky%2C%20USA%29%3A%20%27Peter%27s%20occasional%20impetuousness%20and%20his%20love%20of%20physics%20are%20illustrated%20by%20the%20following%20anecdote.%20In%20December%2C%201979%2C%20I%20had%20just%20joined%20the%20faculty%20at%20the%20University%20of%20Kentucky%2C%20excited%20about%20the%20prospect%20of%20collaborating%20with%20Peter%2C%20who%20had%20arrived%20two%20years%20before.%20I%20was%2C%20therefore%2C%20dumbfounded%20when%20Peter%20abruptly%20announced%20his%20resignation%20to%20join%20IBM%20to%20do%20research%20on%20printer%20ink.%20After%20less%20than%20two%20days%20at%20IBM%2C%20however%2C%20he%20sheepishly%20asked%20to%20come%20back%20to%20the%20UK%2C%20explaining%20that%20he%20couldn%27t%20enjoy%20doing%20research%20that%20didn%27t%20involve%20%27h-bar%27.%20His%20UK%20colleagues%2C%20who%20had%20not%20even%20had%20the%20chance%20to%20raid%20his%20lab%2C%20of%20course%20agreed%20with%20great%20amusement%20and%20relief.%20His%20joy%20and%20enthusiasm%20for%20physics%20remained%20contagious%20and%20unforgettable.%27%20Milton%20Cole%20%28Penn%20State%20University%2C%20USA%29%3A%20%27Somehow%20my%20very%20last%20conversation%20with%20Peter%2C%20two%20days%20before%20his%20death%2C%20typified%20the%20hundreds%20of%20conversations%20we%20had%20about%20science%2C%20or%20even%20philosophy.%20His%20first%20words%20after%20greeting%20me%20consisted%20of%20a%20hypothetical%20explanation%20of%20the%20physical%20mechanism%20of%20a%20new%20intravenous%20tube%20he%20was%20obliged%20to%20use.%20He%20conveyed%20on%20that%20occasion%20the%20very%20same%20excitement%20that%20he%20displayed%20years%20earlier%20when%20he%20volunteered%20to%20present%20a%20demonstration%20of%20electrical%20circuitry%20to%20a%20group%20of%20third-grade%20students.%20Those%20eight-year%20olds%20became%20as%20enthusiastic%20as%20Peter.%20It%20is%20no%20wonder%20that%20Peter%20was%20so%20admired%20and%20loved.%27%20Jackie%20Bortiatynski%20%28Penn%20State%20University%2C%20USA%29%3A%20%27I%20loved%20working%20with%20Peter%20on%20summer%20science%20camps%20for%20kids.%20He%20was%20creative%2C%20funny%2C%20brilliant%2C%20and%20an%20inspiration.%20I%20just%20don%27t%20know%20where%20he%20got%20all%20his%20energy.%20I%20will%20truly%20miss%20him%20as%20a%20colleague.%27%20Toshiaki%20Enoki%20%28Tokyo%20Institute%20of%20Technology%2C%20Japan%29%3A%20%27Peter%20was%20very%20serious%20in%20his%20research%20work%2C%20but%20he%20also%20had%20an%20amiable%20personality%20with%20a%20very%20good%20sense%20of%20humour.%20I%20remember%20the%20occasion%20of%20a%20small%20international%20workshop%2C%20which%20was%20chaired%20by%20me%20in%20Ise%2C%20Japan%20in%201985.%20We%20had%20serious%20and%20intensive%20discussions%20in%20the%20scientific%20session%2C%20then%20in%20the%20evening%20we%20enjoyed%20an%20excursion%20and%20banquet%20in%20Ise%2C%20a%20small%20old%20town%20with%20a%20famous%20shrine%20named%20Ise%20Jingu.%20Peter%20romped%20out%20with%20joy%20wearing%20yukata%20%28Japanese%20traditional%20night%20clothes%29%20after%20taking%20a%20hot%20spring.%27%20Robert%20Haddon%20%28University%20of%20California%2C%20Riverside%2C%20USA%29%3A%20%27Peter%20was%20the%20driving%20force%20in%20creating%20a%20position%20for%20me%20at%20the%20University%20of%20Kentucky%20in%201997.%20After%20I%20joined%20Kentucky%2C%20we%20immediately%20focused%20on%20the%20large-scale%20synthesis%20of%20single-walled%20carbon%20nanotubes%20and%20we%20became%20one%20of%20a%20handful%20of%20research%20groups%20that%20could%20produce%20single-walled%20nanotubes%20in%20quantity.%20Soon%20after%2C%20we%20founded%20CarboLex%20and%20the%20university%20was%20awarded%20an%20NSF%20MRSEC%20on%20Advanced%20Carbon%20Materials.%20For%20most%20of%20the%20time%20that%20I%20spent%20at%20Kentucky%2C%20our%20research%20groups%20met%20as%20a%20unit%20and%20our%20collaboration%20greatly%20assisted%20me%20in%20making%20the%20transition%20to%20academia.%20Above%20all%2C%20Peter%20was%20a%20physicist%20in%20very%20much%20the%20same%20tradition%20as%20the%20great%20colleagues%20that%20I%20had%20been%20privileged%20to%20work%20with%20at%20the%20Bell%20Labs.%20Peter%20and%20Karen%20made%20me%20welcome%20in%20their%20home%20from%20the%20time%20I%20arrived%20in%20Lexington%20and%20I%20have%20fond%20memories%20of%20the%20time%20we%20spent%20together.%27%20Keith%20Williams%20%28University%20of%20Virginia%2C%20USA%29%3A%20%27In%201993%2C%20Peter%20introduced%20me%2C%20in%20the%20dark%2C%20to%20his%20postdoc%20Apparao%20Rao%2C%20who%20was%20then%20doing%20Raman%20on%20C60%20at%20Kentucky.%20I%20thought%20it%20was%20pretty%20interesting%20and%20that%20was%20how%20I%20began%20working%20for%20Peter.%20I%20was%20an%20exile%20from%20high-energy%20physics%3A%20the%20SSC%20had%20just%20been%20canceled%20and%20I%20had%20drifted%20in%20and%20out%20of%20biophysics%20and%20AMO%20and%20finally%20settled%20on%20Peter%27s%20brand%20of%20experimental%20nanomaterials%20physics.%20I%20immediately%20enjoyed%20Peter%27s%20ingenuity%20and%20his%20wonderful%20sense%20of%20humour.%20One%20aspect%20of%20Peter%27s%20character%20not%20widely%20appreciated%20by%20his%20students%20was%20his%20thrift%3A%20if%20something%20could%20be%20made%2C%20borrowed%20%28with%20or%20without%20consent%29%2C%20or%20used%20after-hours%20then%20he%20always%20advocated%20that%20strongly.%20More%20than%20once%2C%20we%20got%20demo%20equipment%2C%20ran%20an%20all-nighter%20on%20it%20to%20collect%20data%20and%20then%20sent%20it%20back%20a%20day%20later.%20Almost%20nothing%20was%20bought%20off%20the%20shelf%21%20Peter%20attributed%20these%20tendencies%20to%20his%20ancestry%2C%20and%20that%20was%20an%20unending%20joke%20between%20us.%20Of%20course%2C%20the%20strategy%20of%20making%20every%20penny%20count%20benefited%20me%20greatly%20in%20the%20long%20run%2C%20and%20last%20year%20I%20told%20him%20I%20had%20outdone%20him%20in%20my%20lab%3A%20almost%20everything%20was%20built%20from%20scratch%2C%20and%20everything%20else%20was%20on%20loan.%20He%20smiled%20a%20proud%20smile.%20On%20the%20personal%20side%2C%20however%2C%20Peter%20was%20always%20very%20generous%3B%20I%20fondly%20recall%20the%20dinners%20with%20him%20and%20Karen%20and%20the%20other%20students%2C%20their%20beloved%20dogs%2C%20with%20the%20Beach%20Boys%20inevitably%20playing%20in%20the%20background.%20Peter%20and%20Karen%20were%20wonderful%20to%20me%20and%20so%20many%20other%20students%2C%20and%20it%20didn%27t%20surprise%20me%20at%20all%20to%20learn%20that%20Peter%27s%20last%20scientific%20concern%20was%20that%20a%20proposal%20had%20been%20funded%20and%20that%20his%20students%20were%20going%20to%20be%20okay.%27%20Kenichi%20Kojima%20%28Yokohama%20City%20University%2C%20Japan%29%3A%20%27In%201997%2C%20Peter%20came%20to%20Yokohama%20as%20a%20Guest%20Professor%20at%20Yokohama%20City%20University%20to%20give%20his%20lectures%20to%20our%20graduate%20students.%20Peter%20was%20an%20excellent%20lecturer%2C%20of%20course.%20But%20when%20I%20played%20tennis%20with%20him%20for%20the%20first%20time%2C%20I%20found%20that%20he%20was%20an%20amazing%20tennis%20player%20as%20well.%20He%20hit%20the%20ball%20really%20hard%2C%20and%20his%20serves%20were%20amazingly%20fast.%20During%20his%20stay%2C%20Peter%20liked%20stopping%20over%20at%20a%20typical%20traditional%20Japanese-style%20pub%20for%20dinner%20by%20himself.%20One%20day%20he%20wanted%20to%20have%20a%20beer%20before%20dinner.%20However%2C%20he%20was%20not%20sure%20how%20to%20order%20draft%20beer%20in%20Japanese%2C%20and%20the%20manager%20of%20the%20pub%20did%20not%20understand%20English.%20He%20carefully%20listened%20to%20what%20the%20customers%20around%20him%20said%20when%20they%20ordered%20beer.%20He%20then%20said%20in%20a%20loud%20voice%2C%20%27Please%20give%20me%20a%20glass%20of%20mama%20beer.%27%20In%20Japan%2C%20female%20servers%20in%20pubs%20are%20often%20called%20%27mama%27%20by%20customers%2C%20and%20we%20call%20draft%20beer%20%27nama%20beer%27%20because%20%27nama%27%20means%20%27living%27%20in%20Japanese.%20Probably%20%27nama%27%20sounded%20like%20%27mama%27%20to%20Peter.%20Later%20he%20proudly%20told%20me%2C%20with%20a%20happy%20smile%2C%20how%20he%20got%20a%20delicious%20draft%20Kirin%20beer.%20Peter%20loved%20not%20only%20science%20but%20also%20traditional%20Japanese%20culture.%20He%20was%20a%20polished%20person.%20I%20would%20like%20to%20show%20you%20the%20words%20written%20in%20his%20own%20hand%20in%20my%20visitor%27s%20book%20when%20he%20came%20to%20my%20home%20after%20playing%20tennis%20in%201997.%20May%20his%20soul%20rest%20in%20peace%21%27%20Millie%20Dresselhaus%20%28Massachusetts%20Institute%20of%20Technology%2C%20USA%29%3A%20%27At%20the%20time%20of%20Peter%27s%20entry%20into%20the%20study%20of%20sp2%20carbons%20in%201974%2C%20the%20field%20was%20an%20eclectic%20area%20of%20science%20that%20only%20interested%20a%20small%20group%20of%20aficionados.%20Through%20his%20many%20contributions%20during%20the%20next%2035%20years%20as%20well%20as%20those%20of%20others%2C%20the%20field%20has%20grown%20dramatically%2C%20and%20now%20it%20is%20a%20major%20area%20of%20interest%20in%20condensed%20matter%20and%20materials%20physics%20worldwide.%20Working%20on%20joint%20projects%20together%20with%20Peter%20Eklund%20was%20both%20educational%20and%20enjoyable.%20In%20our%20joint%20efforts%2C%20I%20was%20responsible%20for%20the%20big%20picture%2C%20Peter%20was%20the%20master%20of%20experimental%20details%20and%20Gene%20Dresselhaus%20was%20the%20man%20responsible%20for%20getting%20things%20done%20well%20and%20on%20time.%20During%20the%20last%2035%20years%20of%20his%20life%2C%20starting%20from%20his%20postdoctoral%20period%2C%20we%20enjoyed%20a%20close%20working%20relation%2C%20especially%20for%20the%20first%2025%20of%20these%20years%2C%20overlapping%20with%20his%20stay%20at%20the%20University%20of%20Kentucky.%20As%20his%20career%20developed%2C%20our%20relationship%20changed%20from%20a%20postdoctoral%20advisor%2C%20to%20a%20collaborator%2C%20friend%2C%20and%20confidant.%20After%20his%20mother%20passed%20away%20I%20assumed%20the%20role%20of%20his%20%27second%20mother%27%20as%20he%20called%20me.%20We%20remained%20very%20close%20personally%2C%20even%20though%20far%20away%20in%20location%20and%20despite%20his%20many%20other%20professional%20collaborators.%20Looking%20to%20the%20future%2C%20life%20without%20Peter%20will%20never%20be%20the%20same.%27%20References%20%5B1%5D%20Dresselhaus%20M%20S%2C%20Dresselhaus%20G%2C%20and%20Eklund%20P%20C%201996%20Science%20of%20Fullerenes%20and%20Carbon%20Nanotubes%20%28New%20York%3A%20Academic%20Press%29%20%5B2%5D%20Eklund%20P%20C%20and%20Rao%20A%20M%201999%20Fullerene%20Polymers%20and%20Fullerene-Polymer%20Composites%20%28Springer%20Series%20in%20Materials%20Science%20vol%2038%29%20%28Berlin%3A%20Springer%29%20%5B3%5D%20Dresselhaus%20M%20S%201991%20Recent%20advances%20in%20electronic%20materials%20Proc.%20of%20the%2038th%20Sagamore%20Army%20Mater.%20Res.%20Conf.%20%28Watertown%2C%20MA%2C%20Materials%20Technology%20Laboratory%29%20ed%20Thomas%20V%20Hynes%20p%2045%20%5B4%5D%20Iijima%20S%201991%20Helical%20microtubules%20of%20graphitic%20carbon%20Nature%20354%2056%5Cu20138%20%5B5%5D%20Rao%20A%20M%2C%20Richter%20E%2C%20Bandow%20S%2C%20Chase%20B%2C%20Eklund%20P%20C%2C%20Williams%20K%20W%2C%20Fang%20S%2C%20Subbaswamy%20K%20R%2C%20Menon%20M%2C%20Thess%20A%2C%20Smalley%20R%20E%2C%20Dresselhaus%20G%20and%20Dresselhaus%20M%20S%201997%20Diameter-selective%20Raman%20scattering%20from%20vibrational%20modes%20in%20carbon%20nanotubes%20Science%20275%20187%5Cu201391%22%2C%22date%22%3A%222010-08%22%2C%22language%22%3A%22en%22%2C%22DOI%22%3A%2210.1088%5C%2F0953-8984%5C%2F22%5C%2F33%5C%2F330301%22%2C%22ISSN%22%3A%220953-8984%22%2C%22url%22%3A%22https%3A%5C%2F%5C%2Fdx.doi.org%5C%2F10.1088%5C%2F0953-8984%5C%2F22%5C%2F33%5C%2F330301%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222023-01-05T23%3A21%3A58Z%22%7D%7D%2C%7B%22key%22%3A%22VIGKWZQ3%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Sofo%20et%20al.%22%2C%22parsedDate%22%3A%222010-06%22%2C%22numChildren%22%3A0%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3ESofo%2C%20J.%20O.%2C%20Kumar%2C%20N.%2C%20Kent%2C%20P.%20R.%20C.%2C%20Bandura%2C%20A.%20%26amp%3B%20Kubicki%2C%20J.%20D.%20Dynamics%20of%20water%20dissociation%20on%20oxides%20surfaces%3A%20Comparison%20between%20rutile%20and%20cassiterite.%20%3Ci%3EGeochimica%20Et%20Cosmochimica%20Acta%3C%5C%2Fi%3E%20%3Cb%3E74%3C%5C%2Fb%3E%2C%20A975%26%23x2013%3BA975%20%282010%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Dynamics%20of%20water%20dissociation%20on%20oxides%20surfaces%3A%20Comparison%20between%20rutile%20and%20cassiterite%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Nitin%22%2C%22lastName%22%3A%22Kumar%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Paul%20R.%20C.%22%2C%22lastName%22%3A%22Kent%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Andrei%22%2C%22lastName%22%3A%22Bandura%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22James%20D.%22%2C%22lastName%22%3A%22Kubicki%22%7D%5D%2C%22abstractNote%22%3A%22%22%2C%22date%22%3A%22JUN%20%202010%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%22%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222024-01-25T18%3A40%3A01Z%22%7D%7D%2C%7B%22key%22%3A%2243RFS5F2%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Machesky%20et%20al.%22%2C%22parsedDate%22%3A%222010-06%22%2C%22numChildren%22%3A0%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EMachesky%2C%20M.%20L.%20%3Ci%3Eet%20al.%3C%5C%2Fi%3E%20Towards%20an%20accurate%20prediction%20of%20surface%20protonation%20equilibria%3A%20Quantifying%20interfacial%20structure%20via%20the%20bond%20valence-MUSIC%20model%20framework.%20%3Ci%3EGeochimica%20Et%20Cosmochimica%20Acta%3C%5C%2Fi%3E%20%3Cb%3E74%3C%5C%2Fb%3E%2C%20A652%26%23x2013%3BA652%20%282010%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Towards%20an%20accurate%20prediction%20of%20surface%20protonation%20equilibria%3A%20Quantifying%20interfacial%20structure%20via%20the%20bond%20valence-MUSIC%20model%20framework%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22M.%20L.%22%2C%22lastName%22%3A%22Machesky%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22M.%22%2C%22lastName%22%3A%22Predota%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22L.%22%2C%22lastName%22%3A%22Vlcek%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22J.%22%2C%22lastName%22%3A%22Rosenqvist%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22A.%22%2C%22lastName%22%3A%22Skelton%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22P.%20T.%22%2C%22lastName%22%3A%22Cummings%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22M.%20K.%22%2C%22lastName%22%3A%22Ridley%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22J.%20D.%22%2C%22lastName%22%3A%22Kubicki%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22J.%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22N.%22%2C%22lastName%22%3A%22Kumar%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22A.%20V.%22%2C%22lastName%22%3A%22Bandura%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22D.%20J.%22%2C%22lastName%22%3A%22Wesolowski%22%7D%5D%2C%22abstractNote%22%3A%22%22%2C%22date%22%3A%22JUN%20%202010%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%22%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222024-01-25T18%3A40%3A01Z%22%7D%7D%2C%7B%22key%22%3A%22DFM6TVWQ%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Cheng%20et%20al.%22%2C%22parsedDate%22%3A%222010-05-25%22%2C%22numChildren%22%3A2%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3ECheng%2C%20S.-H.%20%3Ci%3Eet%20al.%3C%5C%2Fi%3E%20Reversible%20fluorination%20of%20graphene%3A%20Evidence%20of%20a%20two-dimensional%20wide%20bandgap%20semiconductor.%20%3Ci%3EPhys.%20Rev.%20B%3C%5C%2Fi%3E%20%3Cb%3E81%3C%5C%2Fb%3E%2C%20205435%20%282010%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Reversible%20fluorination%20of%20graphene%3A%20Evidence%20of%20a%20two-dimensional%20wide%20bandgap%20semiconductor%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22S.-H.%22%2C%22lastName%22%3A%22Cheng%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22K.%22%2C%22lastName%22%3A%22Zou%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22F.%22%2C%22lastName%22%3A%22Okino%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22H.%20R.%22%2C%22lastName%22%3A%22Gutierrez%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22A.%22%2C%22lastName%22%3A%22Gupta%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22N.%22%2C%22lastName%22%3A%22Shen%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22P.%20C.%22%2C%22lastName%22%3A%22Eklund%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22J.%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22J.%22%2C%22lastName%22%3A%22Zhu%22%7D%5D%2C%22abstractNote%22%3A%22We%20report%20the%20synthesis%20and%20evidence%20of%20graphene%20fluoride%2C%20a%20two-dimensional%20wide%20bandgap%20semiconductor%20derived%20from%20graphene.%20Graphene%20fluoride%20exhibits%20hexagonal%20crystalline%20order%20and%20strongly%20insulating%20behavior%20with%20resistance%20exceeding%2010%20G%5Cu03a9%20at%20room%20temperature.%20Electron%20transport%20in%20graphene%20fluoride%20is%20well%20described%20by%20variable%20range%20hopping%20in%20two%20dimensions%20due%20to%20the%20presence%20of%20localized%20states%20in%20the%20band%20gap.%20Graphene%20obtained%20through%20the%20reduction%20of%20graphene%20fluoride%20is%20highly%20conductive%2C%20exhibiting%20a%20resistivity%20of%20less%20than%20100%20k%5Cu03a9%20at%20room%20temperature.%20Our%20approach%20provides%20a%20pathway%20to%20reversibly%20engineer%20the%20band%20structure%20and%20conductivity%20of%20graphene%20for%20electronic%20and%20optical%20applications.%22%2C%22date%22%3A%22May%2025%2C%202010%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1103%5C%2FPhysRevB.81.205435%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Flink.aps.org%5C%2Fdoi%5C%2F10.1103%5C%2FPhysRevB.81.205435%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%2C%226VP4NEVV%22%5D%2C%22dateModified%22%3A%222011-10-26T19%3A56%3A58Z%22%7D%7D%2C%7B%22key%22%3A%22WSC4XP9U%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Kumar%20et%20al.%22%2C%22parsedDate%22%3A%222010%22%2C%22numChildren%22%3A0%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EKumar%2C%20N.%2C%20Kent%2C%20P.%20R.%20C.%2C%20Bandura%2C%20A.%2C%20Kubicki%2C%20J.%20D.%20%26amp%3B%20Sofo%2C%20J.%20O.%20Comparison%20of%20vibrations%20of%20water%20on%20rutile%20and%20cassiterite%20surface.%20%3Ci%3EGeochimica%20Et%20Cosmochimica%20Acta%3C%5C%2Fi%3E%20%3Cb%3E74%3C%5C%2Fb%3E%2C%20A546%26%23x2013%3BA546%20%282010%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Comparison%20of%20vibrations%20of%20water%20on%20rutile%20and%20cassiterite%20surface%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Nitin%22%2C%22lastName%22%3A%22Kumar%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Paul%20R.%20C.%22%2C%22lastName%22%3A%22Kent%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Andrei%22%2C%22lastName%22%3A%22Bandura%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22James%20D.%22%2C%22lastName%22%3A%22Kubicki%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%5D%2C%22abstractNote%22%3A%22%22%2C%22date%22%3A%222010%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%22%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222024-01-25T18%3A40%3A01Z%22%7D%7D%2C%7B%22key%22%3A%22QAK2PGWZ%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Herman%20et%20al.%22%2C%22parsedDate%22%3A%222010%22%2C%22numChildren%22%3A0%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EHerman%2C%20R.%20M.%2C%20Suarez%2C%20A.%2C%20Sofo%2C%20J.%20%26amp%3B%20Lewis%2C%20J.%20C.%20Ortho-para%20conversion%20of%20H%282%29%20in%20crystalline%20silicon.%20in%20%3Ci%3E20th%20International%20Conference%20on%20Spectral%20Line%20Shapes%3C%5C%2Fi%3E%20%28eds.%20Lewis%2C%20J.%20K.%20C.%20%26amp%3B%20PredoiCross%2C%20A.%29%20vol.%201290%20284%26%23x2013%3B288%20%282010%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22bookSection%22%2C%22title%22%3A%22Ortho-para%20conversion%20of%20H%282%29%20in%20crystalline%20silicon%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Roger%20M.%22%2C%22lastName%22%3A%22Herman%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Alejandro%22%2C%22lastName%22%3A%22Suarez%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%22%2C%22lastName%22%3A%22Sofo%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22John%20Courtenay%22%2C%22lastName%22%3A%22Lewis%22%7D%2C%7B%22creatorType%22%3A%22editor%22%2C%22firstName%22%3A%22J.%20K.%20C.%22%2C%22lastName%22%3A%22Lewis%22%7D%2C%7B%22creatorType%22%3A%22editor%22%2C%22firstName%22%3A%22A.%22%2C%22lastName%22%3A%22PredoiCross%22%7D%5D%2C%22abstractNote%22%3A%22The%20ortho%20para%20conversion%20rate%20of%20H%282%29%20in%20crystalline%20p%20doped%20silicon%20is%20calculated%20assuming%20that%20the%20conversion%20is%20due%20to%20the%20unpaired%20electron%20spins%20associated%20with%20holes%20with%20the%20electron%20spin%20density%20at%20the%20H%282%29%20nuclei%20being%20enhanced%20through%20spin%20exchange%20effects.%22%2C%22bookTitle%22%3A%2220th%20International%20Conference%20on%20Spectral%20Line%20Shapes%22%2C%22date%22%3A%222010%22%2C%22language%22%3A%22%22%2C%22ISBN%22%3A%22%22%2C%22url%22%3A%22%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222015-04-22T07%3A48%3A38Z%22%7D%7D%2C%7B%22key%22%3A%22JPUHT4TN%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Wang%20et%20al.%22%2C%22parsedDate%22%3A%222010%22%2C%22numChildren%22%3A1%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EWang%2C%20B.%20%3Ci%3Eet%20al.%3C%5C%2Fi%3E%20Photoluminescence%20from%20nanocrystalline%20graphite%20monofluoride.%20%3Ci%3EAppl.%20Phys.%20Lett.%3C%5C%2Fi%3E%20%3Cb%3E97%3C%5C%2Fb%3E%2C%20141915%20%282010%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Photoluminescence%20from%20nanocrystalline%20graphite%20monofluoride%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Bei%22%2C%22lastName%22%3A%22Wang%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Justin%20R.%22%2C%22lastName%22%3A%22Sparks%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Humberto%20R.%22%2C%22lastName%22%3A%22Gutierrez%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Fujio%22%2C%22lastName%22%3A%22Okino%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Qingzhen%22%2C%22lastName%22%3A%22Hao%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Youjian%22%2C%22lastName%22%3A%22Tang%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Vincent%20H.%22%2C%22lastName%22%3A%22Crespi%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jun%22%2C%22lastName%22%3A%22Zhu%22%7D%5D%2C%22abstractNote%22%3A%22%22%2C%22date%22%3A%222010%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1063%5C%2F1.3491265%22%2C%22ISSN%22%3A%2200036951%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Flink.aip.org%5C%2Flink%5C%2FAPPLAB%5C%2Fv97%5C%2Fi14%5C%2Fp141915%5C%2Fs1%26Agg%3Ddoi%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222010-10-29T17%3A16%3A30Z%22%7D%7D%2C%7B%22key%22%3A%22Z8XMA4XZ%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Sofo%20and%20Diehl%22%2C%22parsedDate%22%3A%222009-10-12%22%2C%22numChildren%22%3A1%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3ESofo%2C%20J.%20O.%20%26amp%3B%20Diehl%2C%20R.%20D.%20Geodesic%20carbon%26%23xA0%3B%20nanodomes.%20%3Ci%3EPhysics%3C%5C%2Fi%3E%20%3Cb%3E2%3C%5C%2Fb%3E%2C%2084%20%282009%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Geodesic%20carbon%20%20nanodomes%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Renee%20D.%22%2C%22lastName%22%3A%22Diehl%22%7D%5D%2C%22abstractNote%22%3A%22%22%2C%22date%22%3A%222009-10-12%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1103%5C%2FPhysics.2.84%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%2C%22E3FGRRQI%22%5D%2C%22dateModified%22%3A%222015-01-08T16%3A59%3A49Z%22%7D%7D%2C%7B%22key%22%3A%22PTV92NVZ%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Wesolowski%20et%20al.%22%2C%22parsedDate%22%3A%222009-06%22%2C%22numChildren%22%3A0%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EWesolowski%2C%20D.%20J.%20%3Ci%3Eet%20al.%3C%5C%2Fi%3E%20Atomistic%20origins%20of%20mineral-water%20interfacial%20phenomena%20and%20their%20relation%20to%20surface%20complexation%20models.%20%3Ci%3EGeochimica%20Et%20Cosmochimica%20Acta%3C%5C%2Fi%3E%20%3Cb%3E73%3C%5C%2Fb%3E%2C%20A1429%26%23x2013%3BA1429%20%282009%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Atomistic%20origins%20of%20mineral-water%20interfacial%20phenomena%20and%20their%20relation%20to%20surface%20complexation%20models%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22D.%20J.%22%2C%22lastName%22%3A%22Wesolowski%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22A.%20V.%22%2C%22lastName%22%3A%22Bandura%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22P.%20T.%22%2C%22lastName%22%3A%22Cummings%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22P.%20A.%22%2C%22lastName%22%3A%22Fenter%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22J.%20D.%22%2C%22lastName%22%3A%22Kubicki%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22S.%20N.%22%2C%22lastName%22%3A%22Lvov%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22M.%20L.%22%2C%22lastName%22%3A%22Machesky%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22E.%22%2C%22lastName%22%3A%22Mamontov%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22M.%22%2C%22lastName%22%3A%22Predota%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22M.%20K.%22%2C%22lastName%22%3A%22Ridley%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22J.%22%2C%22lastName%22%3A%22Rosenqvist%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22J.%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22L.%22%2C%22lastName%22%3A%22Vlcek%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Z.%22%2C%22lastName%22%3A%22Zhang%22%7D%5D%2C%22abstractNote%22%3A%22%22%2C%22date%22%3A%22JUN%20%202009%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%22%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222024-01-25T18%3A40%3A01Z%22%7D%7D%2C%7B%22key%22%3A%22AFXPD4S7%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Kumar%20et%20al.%22%2C%22parsedDate%22%3A%222009%22%2C%22numChildren%22%3A3%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EKumar%2C%20N.%20%3Ci%3Eet%20al.%3C%5C%2Fi%3E%20Hydrogen%20bonds%20and%20vibrations%20of%20water%20on%20%28110%29%20rutile.%20%3Ci%3EJ.%20Phys.%20Chem.%20C%3C%5C%2Fi%3E%20%3Cb%3E113%3C%5C%2Fb%3E%2C%2013732%26%23x2013%3B13740%20%282009%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Hydrogen%20bonds%20and%20vibrations%20of%20water%20on%20%28110%29%20rutile%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Nitin%22%2C%22lastName%22%3A%22Kumar%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Sanghamitra%22%2C%22lastName%22%3A%22Neogi%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Paul%20R.%20C.%22%2C%22lastName%22%3A%22Kent%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Andrei%20V.%22%2C%22lastName%22%3A%22Bandura%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22James%20D.%22%2C%22lastName%22%3A%22Kubicki%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22David%20J.%22%2C%22lastName%22%3A%22Wesolowski%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22David%20R.%22%2C%22lastName%22%3A%22Cole%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%5D%2C%22abstractNote%22%3A%22We%20study%20the%20relation%20between%20the%20hydrogen%20bonding%20and%20the%20vibrational%20frequency%20spectra%20of%20water%20on%20the%20%28110%29%20surface%20of%20rutile%20%28%5Cu03b1-TiO2%29%20with%20three%20structural%20layers%20of%20adsorbed%20water.%20Using%20ab%20initio%20molecular%20dynamics%20simulations%20at%20280%2C%20300%2C%20and%20320%20K%2C%20we%20find%20strong%2C%20crystallographically%20controlled%20adsorption%20sites%2C%20in%20general%20agreement%20with%20synchrotron%20X-ray%20and%20classical%20molecular%20dynamics%20simulations.%20We%20demonstrate%20that%20these%20sites%20are%20produced%20by%20strong%20hydrogen%20bonds%20formed%20between%20the%20surface%20oxygen%20atoms%20and%20the%20sorbed%20water%20molecules.%20The%20strength%20of%20these%20bonds%20is%20manifested%20by%20substantial%20broadening%20of%20the%20stretching%20mode%20vibrational%20band.%20The%20overall%20vibrational%20spectrum%20obtained%20from%20our%20simulations%20is%20in%20good%20agreement%20with%20inelastic%20neutron%20scattering%20experiments.%20We%20correlate%20the%20vibrational%20spectrum%20with%20different%20bonds%20at%20the%20surface%20to%20transform%20these%20vibrational%20measurements%20into%20a%20spectroscopy%20of%20surface%20interactions.%22%2C%22date%22%3A%222009%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1021%5C%2Fjp901665e%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Fpubs.acs.org%5C%2Fdoi%5C%2Fabs%5C%2F10.1021%5C%2Fjp901665e%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222024-01-25T18%3A40%3A01Z%22%7D%7D%2C%7B%22key%22%3A%22HTRMYQD3%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Machesky%20et%20al.%22%2C%22parsedDate%22%3A%222008-11-04%22%2C%22numChildren%22%3A1%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EMachesky%2C%20M.%20L.%20%3Ci%3Eet%20al.%3C%5C%2Fi%3E%20Surface%20Protonation%20at%20the%20Rutile%20%28110%29%20Interface%3A%20Explicit%20Incorporation%20of%20Solvation%20Structure%20within%20the%20Refined%20MUSIC%20Model%20Framework.%20%3Ci%3ELangmuir%3C%5C%2Fi%3E%20%3Cb%3E24%3C%5C%2Fb%3E%2C%2012331%26%23x2013%3B12339%20%282008%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Surface%20Protonation%20at%20the%20Rutile%20%28110%29%20Interface%3A%20Explicit%20Incorporation%20of%20Solvation%20Structure%20within%20the%20Refined%20MUSIC%20Model%20Framework%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Michael%20L.%22%2C%22lastName%22%3A%22Machesky%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Milan%22%2C%22lastName%22%3A%22Predota%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22David%20J.%22%2C%22lastName%22%3A%22Wesolowski%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Lukas%22%2C%22lastName%22%3A%22Vlcek%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Peter%20T.%22%2C%22lastName%22%3A%22Cummings%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Joergen%22%2C%22lastName%22%3A%22Rosenqvist%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Moira%20K.%22%2C%22lastName%22%3A%22Ridley%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22James%20D.%22%2C%22lastName%22%3A%22Kubicki%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Andrei%20V.%22%2C%22lastName%22%3A%22Bandura%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Nitin%22%2C%22lastName%22%3A%22Kumar%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%5D%2C%22abstractNote%22%3A%22The%20detailed%20solvation%20structure%20at%20the%20%28110%29%20surface%20of%20rutile%20%28alpha-TiO%282%29%29%20in%20contact%20with%20bulk%20liquid%20water%20has%20been%20obtained%20primarily%20from%20experimentally%20verified%20classical%20molecular%20dynamics%20%28CMD%29%20simulations%20of%20the%20ab%20initio-optimized%20surface%20in%20contact%20with%20SPC%5C%2FE%20water.%20The%20results%20are%20used%20to%20explicitly%20quantify%20H-bonding%20interactions%2C%20which%20are%20then%20used%20within%20the%20refined%20MUSIC%20model%20framework%20to%20predict%20surface%20oxygen%20protonation%20constants.%20Quantum%20mechanical%20molecular%20dynamics%20%28QMD%29%20simulations%20in%20the%20presence%20of%20freely%20dissociable%20water%20molecules%20produced%20H-bond%20distributions%20around%20deprotonated%20surface%20oxygens%20very%20similar%20to%20those%20obtained%20by%20CMD%20with%20nondissociable%20SPC%5C%2FE%20water%2C%20thereby%20confirming%20that%20the%20less%20computationally%20intensive%20CMD%20simulations%20provide%20accurate%20H-bond%20information.%20Utilizing%20this%20H-bond%20information%20within%20the%20refined%20MUSIC%20model%2C%20along%20with%20manually%20adjusted%20Ti-O%20surface%20bond%20lengths%20that%20are%20nonetheless%20within%200.05%20angstrom%20of%20those%20obtained%20from%20static%20density%20functional%20theory%20%28DFT%29%20calculations%20and%20measured%20in%20X-ray%20reflectivity%20experiments%20%28as%20well%20as%20bulk%20crystal%20values%29%2C%20give%20surface%20protonation%20constants%20that%20result%20in%20a%20calculated%20zero%20net%20proton%20charge%20pH%20value%20%28pH%28znpc%29%29%20at%2025%20degrees%20C%20that%20agrees%20quantitatively%20with%20the%20experimentally%20determined%20value%20%285.4%20%2B%5C%2F-%200.2%29%20for%20a%20specific%20rutile%20powder%20dominated%20by%20the%20%28110%29%20crystal%20face.%20Moreover%2C%20the%20predicted%20pH%2C%2C%2C%20values%20agree%20to%20within%200.1%20pH%20unit%20with%20those%20measured%20at%20all%20temperatures%20between%2010%20and%20250%20degrees%20C.%20A%20slightly%20smaller%20manual%20adjustment%20of%20the%20DFT-derived%20Ti-O%20surface%20bond%20lengths%20was%20sufficient%20to%20bring%20the%20predicted%20pH%2C%2C%2Cvalue%20of%20the%20rutile%20%28110%29%20surface%20at%2025%20degrees%20C%20into%20quantitative%20agreement%20with%20the%20experimental%20value%20%284.8%20%2B%5C%2F-%200.3%29%20obtained%20from%20a%20polished%20and%20annealed%20rutile%20%28110%29%20single%20crystal%20surface%20in%20contact%20with%20dilute%20sodium%20nitrate%20solutions%20using%20second%20harmonic%20generation%20%28SHG%29%20intensity%20measurements%20as%20a%20function%20of%20ionic%20strength.%20Additionally%2C%20the%20H-bond%20interactions%20between%20protolyzable%20surface%20oxygen%20groups%20and%20water%20were%20found%20to%20be%20stronger%20than%20those%20between%20bulk%20water%20molecules%20at%20all%20temperatures%20investigated%20in%20our%20CMD%20simulations%20%2825%2C%20150%20and%20250%20degrees%20C%29.%20Comparison%20with%20the%20protonation%20scheme%20previously%20determined%20for%20the%20%28110%29%20surface%20of%20isostructural%20cassiterite%20%28alpha-SnO%282%29%29%20reveals%20that%20the%20greater%20extent%20of%20H-bonding%20on%20the%20latter%20surface%2C%20and%20in%20particular%20between%20water%20and%20the%20terminal%20hydroxyl%20group%20%28Sn-OH%29%20results%20in%20the%20predicted%20protonation%20constant%20for%20that%20group%20being%20lower%20than%20for%20the%20bridged%20oxygen%20%28Sn-O-Sn%29%2C%20while%20the%20reverse%20is%20true%20for%20the%20rutile%20%28110%29%20surface.%20These%20results%20demonstrate%20the%20importance%20of%20H-bond%20structure%20in%20dictating%20surface%20protonation%20behavior%2C%20and%20that%20explicit%20use%20of%20this%20solvation%20structure%20within%20the%20refined%20MUSIC%20model%20framework%20results%20in%20predicted%20surface%20protonation%20constants%20that%20are%20also%20consistent%20with%20a%20variety%20of%20other%20experimental%20and%20computational%20data.%22%2C%22date%22%3A%22NOV%204%20%202008%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1021%5C%2Fla801356m%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222024-01-25T18%3A40%3A01Z%22%7D%7D%2C%7B%22key%22%3A%22JBJ39RA3%22%2C%22library%22%3A%7B%22id%22%3A4546%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Romero%20et%20al.%22%2C%22parsedDate%22%3A%222008-10-28%22%2C%22numChildren%22%3A2%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%20%20%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3ERomero%2C%20H.%20E.%20%3Ci%3Eet%20al.%3C%5C%2Fi%3E%20n-Type%20Behavior%20of%20Graphene%20Supported%20on%20Si%5C%2FSiO%3Csub%3E2%3C%5C%2Fsub%3E%20Substrates.%20%3Ci%3EACS%20Nano%3C%5C%2Fi%3E%20%3Cb%3E2%3C%5C%2Fb%3E%2C%202037%26%23x2013%3B2044%20%282008%29.%3C%5C%2Fdiv%3E%5Cn%20%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22n-Type%20Behavior%20of%20Graphene%20Supported%20on%20Si%5C%2FSiO%3Csub%3E2%3C%5C%2Fsub%3E%20Substrates%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Hugo%20E.%22%2C%22lastName%22%3A%22Romero%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Ning%22%2C%22lastName%22%3A%22Shen%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Prasoon%22%2C%22lastName%22%3A%22Joshi%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Humberto%20R.%22%2C%22lastName%22%3A%22Gutierrez%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Srinivas%20A.%22%2C%22lastName%22%3A%22Tadigadapa%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jorge%20O.%22%2C%22lastName%22%3A%22Sofo%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Peter%20C.%22%2C%22lastName%22%3A%22Eklund%22%7D%5D%2C%22abstractNote%22%3A%22Results%20are%20presented%20from%20an%20experimental%20and%20theoretical%20study%20of%20the%20electronic%20properties%20of%20back-gated%20graphene%20field%20effect%20transistors%20%28FETs%29%20on%20Si%5C%2FSiO2%20substrates.%20The%20excess%20charge%20on%20the%20graphene%20was%20observed%20by%20sweeping%20the%20gate%20voltage%20to%20determine%20the%20charge%20neutrality%20point%20in%20the%20graphene.%20Devices%20exposed%20to%20laboratory%20environment%20for%20several%20days%20were%20always%20found%20to%20be%20initially%20p-type.%20After%20%3F20%20h%20at%20200%20%5Cu00b0C%20in%20%3F5%20%3F%2010%3F7%20Torr%20vacuum%2C%20the%20FET%20slowly%20evolved%20to%20n-type%20behavior%20with%20a%20final%20excess%20electron%20density%20on%20the%20graphene%20of%20%3F4%20%3F%201012%20e%5C%2Fcm2.%20This%20value%20is%20in%20excellent%20agreement%20with%20our%20theoretical%20calculations%20on%20SiO2%2C%20where%20we%20have%20used%20molecular%20dynamics%20to%20build%20the%20SiO2%20structure%20and%20then%20density%20functional%20theory%20to%20compute%20the%20electronic%20structure.%20The%20essential%20theoretical%20result%20is%20that%20the%20SiO2%20has%20a%20significant%20surface%20state%20density%20just%20below%20the%20conduction%20band%20edge%20that%20donates%20electrons%20to%20the%20graphene%20to%20balance%20the%20chemical%20potential%20at%20the%20interface.%20An%20electrostatic%20model%20for%20the%20FET%20is%20also%20presented%20that%20produces%20an%20expression%20for%20the%20gate%20bias%20dependence%20of%20the%20carrier%20density.%22%2C%22date%22%3A%22October%2028%2C%202008%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1021%5C%2Fnn800354m%22%2C%22ISSN%22%3A%221936-0851%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Fdx.doi.org%5C%2F10.1021%5C%2Fnn800354m%22%2C%22collections%22%3A%5B%22MN4TH9KM%22%5D%2C%22dateModified%22%3A%222014-02-19T19%3A33%3A00Z%22%7D%7D%5D%7D
1.
Troppenz, M., Rigamonti, S., Sofo, J. O. & Draxl, C. Partial Order-Disorder Transition Driving Closure of Band Gap: Example of Thermoelectric Clathrates. Phys. Rev. Lett. 130, 166402 (2023).
1.
Green, B. R., Troppenz, M., Rigamonti, S., Draxl, C. & Sofo, J. O. Memory Function Representation for the Electrical Conductivity of Solids. arXiv:2110.02859 [cond-mat] (2021).
1.
Umar, M. M. F. & Sofo, J. O. Inversion domain boundaries in wurtzite GaN. Phys. Rev. B 103, 165305 (2021).
1.
Green, B. R. & Sofo, J. O. Landau level phases in bilayer graphene under pressure at charge neutrality. Phys. Rev. B 101, 195432 (2020).
1.
Singh, S. et al. Low-Energy Phases of Bi Monolayer Predicted by Structure Search in Two Dimensions. J. Phys. Chem. Lett. 10, 7324–7332 (2019).
1.
González, R. I. et al. Bending energy of 2D materials: graphene, MoS2 and imogolite. RSC Adv. 8, 4577–4583 (2018).
1.
DelloStritto, M. J. & Sofo, J. O. Bond Polarizability Model for Sum Frequency Generation at the Al2O3(0001)–H2O Interface. J. Phys. Chem. A 121, 3045–3055 (2017).
1.
DelloStritto, M. J., Kubicki, J. D. & Sofo, J. O. Effect of Ions on H-Bond Structure and Dynamics at the Quartz(101)–Water Interface. Langmuir 32, 11353–11356 (2016).
1.
Munoz, F., Collado, H. P. O., Usaj, G., Sofo, J. O. & Balseiro, C. A. Bilayer graphene under pressure: Electron-hole symmetry breaking, valley Hall effect, and Landau levels. Phys. Rev. B 93, 235443 (2016).
1.
Cao, W. et al. Heavy Dirac fermions in a graphene/topological insulator hetero-junction. 2D Mater. 3, 034006 (2016).
1.
Dong, X.-Y. et al. Electrically tunable multiple Dirac cones in thin films of the (LaO)2(SbSe2)2 family of materials. Nat Commun 6, 8517 (2015).
1.
Liu, X. et al. First-principles studies of lattice dynamics and thermal properties of Mg2Si1−xSnx. Journal of Materials Research 30, 2578–2584 (2015).
1.
Liang, S.-Z., Chen, G., Harutyunyan, A. R. & Sofo, J. O. Screening of charged impurities as a possible mechanism for conductance change in graphene gas sensing. Phys. Rev. B 90, 115410 (2014).
1.
DelloStritto, M. J., Kubicki, J. & Sofo, J. O. Density functional theory simulation of hydrogen-bonding structure and vibrational densities of states at the quartz (1 0 1)-water interface and its relation to dissolution as a function of solution pH and ionic strength. J. Phys.: Condens. Matter 26, 244101 (2014).
1.
Wang, H.-W. et al. Vibrational Density of States of Strongly H-Bonded Interfacial Water: Insights from Inelastic Neutron Scattering and Theory. J. Phys. Chem. C 118, 10805–10813 (2014).
1.
Brouwer, W. J., Kubicki, J. D., Sofo, J. O. & Giles, C. L. An Investigation of Machine Learning Methods Applied to Structure Prediction in Condensed Matter. arXiv:1405.3564 [cond-mat] (2014).
1.
Wang, H.-W. et al. Structure and dynamics of the surface-water on SnO2 nanocrystals. Abstracts of Papers of the American Chemical Society 247, (2014).
1.
Liang, S.-Z., Chen, G., Harutyunyan, A. R., Cole, M. W. & Sofo, J. O. Analysis and optimization of carbon nanotubes and graphene sensors based on adsorption-desorption kinetics. Appl. Phys. Lett. 103, 233108 (2013).
1.
Mahan, G. D. & Sofo, J. O. The Electrical Conductivity of Strontium-Barium Niobate. J. Electron. Mater. 42, 1375–1376 (2013).
1.
Kim, S.-Y. et al. Development of a ReaxFF Reactive Force Field for Titanium Dioxide/Water Systems. Langmuir 29, 7838–7846 (2013).
1.
Wesolowski, D. J. et al. Structure and dynamics of the first few layers of water on rutile-structured TiO2 and SnO2 (110) surfaces of bulk crystals and nanoparticles: Progress and controversy. Abstracts of Papers of the American Chemical Society 245, (2013).
1.
Sofo, J. O. Problems in Solid State Physics with Solutions, by Fuxiang Han. Contemp. Phys. 54, 73–73 (2013).
1.
Liang, S.-Z. & Sofo, J. O. Impurity State and Variable Range Hopping Conduction in Graphene. Phys. Rev. Lett. 109, 256601 (2012).
1.
Reatto, L. et al. Novel substrates for Helium adsorption: Graphane and Graphene—Fluoride. J. Phys. Conf. Ser. 400, 012010 (2012).
1.
Kubicki, J. D., Sofo, J. O., Skelton, A. A. & Bandura, A. V. A New Hypothesis for the Dissolution Mechanism of Silicates. J. Phys. Chem. C 116, 17479–17491 (2012).
1.
Berkdemir, C., Castleman, A. W. & Sofo, J. O. Metal-substituted Ti8C12 metallocarbohedrynes: toward less reactive clusters as building blocks of cluster-assembled materials. Phys. Chem. Chem. Phys. 14, 9642–9653 (2012).
1.
Iordanov, I., Gunaratne, K. D. D., Harmon, C. L., Sofo, J. O. & Castleman, A. W. Broad photoelectron spectrum and lowered electron affinity due to hydrogen in ZnOH: A joint experimental and theoretical study. J. Chem. Phys. 136, 214314-214314–6 (2012).
1.
Kubicki, J. D. et al. Silicate dissolution: A mechanism based on simulations of the a-quartz (101)-water interface. Abstracts of Papers of the American Chemical Society 243, (2012).
1.
Sofo, J. O. et al. Magnetic structure of hydrogen-induced defects on graphene. Phys. Rev. B 85, 115405 (2012).
1.
Herman, R. M., Suarez, A., Sofo, J. & Lewis, J. C. Calculation of the ortho-para conversion of hydrogen in a p-type silicon lattice using a dwell time approach. Xxi International Conference on Spectral Line Shapes (icsls 2012) 397, 012064 (2012).
1.
Radovic, L. R., Suarez, A., Vallejos-Burgos, F. & Sofo, J. O. Oxygen migration on the graphene surface. 2. Thermochemistry of basal-plane diffusion (hopping). Carbon 49, 4226–4238 (2011).
1.
Shen, N. & Sofo, J. O. Dispersion of edge states and quantum confinement of electrons in graphene channels drawn on graphene fluoride. Phys. Rev. B 83, 245424 (2011).
1.
Bandura, A. V., Sofo, J. O. & Kubicki, J. D. Adsorption of Zn2+ on the (110) Surface of TiO2 (Rutile): A Density Functional Molecular Dynamics Study. J. Phys. Chem. C 115, 9608–9614 (2011).
1.
Bandura, A. V., Kubicki, J. D. & Sofo, J. O. Periodic Density Functional Theory Study of Water Adsorption on the α-Quartz (101) Surface. J. Phys. Chem. C 115, 5756–5766 (2011).
1.
Suarez, A. M., Radovic, L. R., Bar-Ziv, E. & Sofo, J. O. Gate-Voltage Control of Oxygen Diffusion on Graphene. Phys. Rev. Lett. 106, 146802 (2011).
1.
Sofo, J. O. et al. Electrical control of the chemical bonding of fluorine on graphene. Phys. Rev. B 83, 081411 (2011).
1.
Iordanov, I. & Sofo, J. O. Multiple isomers in the photoelectron spectra of small mono-niobium carbide clusters. J. Chem. Phys. 134, 184310 (2011).
1.
Cole, M. W. et al. Structural, electronic, optical and vibrational properties of nanoscale carbons and nanowires: a colloquial review. Journal of Physics-Condensed Matter 22, 334201 (2010).
1.
Cole, M. W. et al. Peter Clay Eklund: a scientific biography. J. Phys.: Condens. Matter 22, 330301 (2010).
1.
Sofo, J. O., Kumar, N., Kent, P. R. C., Bandura, A. & Kubicki, J. D. Dynamics of water dissociation on oxides surfaces: Comparison between rutile and cassiterite. Geochimica Et Cosmochimica Acta 74, A975–A975 (2010).
1.
Machesky, M. L. et al. Towards an accurate prediction of surface protonation equilibria: Quantifying interfacial structure via the bond valence-MUSIC model framework. Geochimica Et Cosmochimica Acta 74, A652–A652 (2010).
1.
Cheng, S.-H. et al. Reversible fluorination of graphene: Evidence of a two-dimensional wide bandgap semiconductor. Phys. Rev. B 81, 205435 (2010).
1.
Kumar, N., Kent, P. R. C., Bandura, A., Kubicki, J. D. & Sofo, J. O. Comparison of vibrations of water on rutile and cassiterite surface. Geochimica Et Cosmochimica Acta 74, A546–A546 (2010).
1.
Herman, R. M., Suarez, A., Sofo, J. & Lewis, J. C. Ortho-para conversion of H(2) in crystalline silicon. in 20th International Conference on Spectral Line Shapes (eds. Lewis, J. K. C. & PredoiCross, A.) vol. 1290 284–288 (2010).
1.
Wang, B. et al. Photoluminescence from nanocrystalline graphite monofluoride. Appl. Phys. Lett. 97, 141915 (2010).
1.
Sofo, J. O. & Diehl, R. D. Geodesic carbon nanodomes. Physics 2, 84 (2009).
1.
Wesolowski, D. J. et al. Atomistic origins of mineral-water interfacial phenomena and their relation to surface complexation models. Geochimica Et Cosmochimica Acta 73, A1429–A1429 (2009).
1.
Kumar, N. et al. Hydrogen bonds and vibrations of water on (110) rutile. J. Phys. Chem. C 113, 13732–13740 (2009).
1.
Machesky, M. L. et al. Surface Protonation at the Rutile (110) Interface: Explicit Incorporation of Solvation Structure within the Refined MUSIC Model Framework. Langmuir 24, 12331–12339 (2008).
1.
Romero, H. E. et al. n-Type Behavior of Graphene Supported on Si/SiO2 Substrates. ACS Nano 2, 2037–2044 (2008).