title: Surface reconstructions of TiO2(110) driven by suboxides.
abstract: 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 x 1) reconstruction. Thus, contrary to conventional wisdom, the 1 x 1 periodicity is insufficient to establish the correct surface stoichiometry. Furthermore, in our structural and compositional model the reversible oxidation or reduction between (1 x 1) and (1 x 2) is entirely achieved by transfer of the added rows.
authors.affiliation: Department of Physics, Baylor University, Waco, Texas 76798, USA.
authors.forename: K T
authors.initials: KT
authors.lastname: Park
authors.forename: M H
authors.initials: MH
authors.lastname: Pan
authors.forename: V
authors.initials: V
authors.lastname: Meunier
authors.forename: E W
authors.initials: EW
authors.lastname: Plummer