Interface Effects in the Stability of 2D Silica, Silicide, and Silicene on Pt(111) and Rh(111)
Matthias Krinninger,
Florian Kraushofer,
Nils B. Refvik
et al.
Abstract:Ultrathin two-dimensional silica films have been suggested
as highly
defined conductive models for fundamental studies on silica-supported
catalyst particles. Key requirements in this context are closed silica
films that isolate the gas phase from the underlying metal substrate
and stability under reaction conditions. Here, we present silica bilayer
films grown on Pt(111) and Rh(111) and characterize them by scanning
tunneling microscopy and X-ray photoelectron spectroscopy. We provide
the first report of sili… Show more
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