Intrinsic Nature of the Excess Electron Distribution at the TiO2(110) Surface (Articolo in rivista)

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  • Intrinsic Nature of the Excess Electron Distribution at the TiO2(110) Surface (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevLett.108.126803 (literal)
Alternative label
  • Kruger, P (Krueger, P.)1; Jupille, J (Jupille, J.)2,3; Bourgeois, S (Bourgeois, S.)1; Domenichini, B (Domenichini, B.)1; Verdini, A (Verdini, A.)4; Floreano, L (Floreano, L.)4; Morgante, A (Morgante, A.)4,5 (2012)
    Intrinsic Nature of the Excess Electron Distribution at the TiO2(110) Surface
    in Physical review letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Kruger, P (Krueger, P.)1; Jupille, J (Jupille, J.)2,3; Bourgeois, S (Bourgeois, S.)1; Domenichini, B (Domenichini, B.)1; Verdini, A (Verdini, A.)4; Floreano, L (Floreano, L.)4; Morgante, A (Morgante, A.)4,5 (literal)
Pagina inizio
  • 126803 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://prl.aps.org/pdf/PRL/v108/i12/e126803 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 108 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 4 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 12 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1. Univ Bourgogne, CNRS, UMR 6303, ICB, F-21078 Dijon, France 2. CNRS, F-75252 Paris, France 3. UPMC, Inst NanoSci Paris, F-75252 Paris, France 4. CNR, IOM, Lab TASC, I-34149 Trieste, Italy 5. Univ Trieste, Dipartimento Fis, I-34127 Trieste, Italy (literal)
Titolo
  • Intrinsic Nature of the Excess Electron Distribution at the TiO2(110) Surface (literal)
Abstract
  • The gap state that appears upon reduction of TiO2 plays a key role in many of titania's interesting properties but its origin and spatial localization have remained unclear. In the present work, the TiO2(110) surface is reduced in a chemically controlled way by sodium adsorption. By means of resonant photoelectron diffraction, excess electrons are shown to be distributed mainly on subsurface Ti sites strikingly similar to the defective TiO2(110) surface, while any significant contribution from interstitial Ti ions is discarded. In agreement with first principles calculations, these findings demonstrate that the distribution of the band gap charge is an intrinsic property of TiO2(110), independent of the way excess electrons are produced. (literal)
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