Surface reconstructions of TiO2(110) driven by suboxides

K. T. Park, M. H. Pan, V. Meunier, E. W. Plummer

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51 Scopus citations


Scanning tunneling microscopy and density functional theory are used to develop a new structural model for surface reconstructions driven by Ti interstitials on TiO2(110). Ti interstitials form the edge- or face-sharing octahedra that serve as building blocks for (1×1) reconstruction. Thus, contrary to conventional wisdom, the 1×1 periodicity is insufficient to establish the correct surface stoichiometry. Furthermore, in our structural and compositional model the reversible oxidation or reduction between (1×1) and (1×2) is entirely achieved by transfer of the added rows.

Original languageEnglish (US)
Article number226105
JournalPhysical review letters
Issue number22
StatePublished - 2006

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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