We determine the stability and properties of interfaces of low-index Au surfaces adhered to TiO2(110), using density functional theory energy density calculations. We consider Au(100) and Au(111) epitaxies on rutile TiO2(110) surface, as observed in experiments. For each epitaxy, we consider several different interfaces: Au(111)//TiO2(110) and Au(100)//TiO2(110), with and without bridging oxygen, Au(111) on 1 × 2 added-row TiO2(110) reconstruction, and Au(111) on a proposed 1 × 2 TiO reconstruction. The density functional theory energy density method computes the energy changes on each of the atoms while forming the interface and evaluates the work of adhesion to determine the equilibrium interfacial structure.

Original languageEnglish (US)
Pages (from-to)17799-17805
Number of pages7
JournalJournal of Physical Chemistry C
Issue number36
StatePublished - Sep 15 2011

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Energy(all)
  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films


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