LOW-DIMENSIONAL BINARY AND TERNARY OXIDE NANOLAYERS
WG2 members: Svetlozar Surnev, Falko P. Netzer, Martin Denk, David Kuhness, Thomas Obermüller
homepage: surface-science.uni-graz.at
The activity of the group is focused on the fabrication of low-dimensional nanostructures of reducible oxides on metal surfaces and on the elucidation of their emerging physical and chemical properties. This is achieved by controlled physical vapor deposition in UHV and in-situ characterization with atomic-scale precision employing the full palette of modern surface science techniques (STM, AFM, (SPA-)LEED, HREELS, and synchrotron radiation based XPS, (AR)UPS and XAS).
STM images of a FeO bi-layer on Pd(100) (left) and a CuWO4 nanolayer on Cu(110) (right).
The oxide systems under investigation include binary oxide nanolayers, such as FeOx, CeOx, WOx, MnOx, as well as ternary oxide nanostructures, such as CuWOx, FeWOx and MnWOx, designed by a novel fabrication method involving a two-dimensional solid state reaction of binary oxide phases.
