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Cerium oxide layers on Pt(111): a scanning tunneling microscopy study |
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| Authors: | Ulrich Berner Klaus Schierbaum |
| Affiliation: | Department of Materials Science, Institute of Condensed Matter Physics, Heinrich-Heine University of Düsseldorf, 40225 Düsseldorf, Germany |
| Abstract: | Ultrathin epitaxial layers of cerium oxide were prepared by oxidation of layers of an ordered Pt–Ce surface alloy on top of a Pt(111) single crystal. They consist of low-dimensional CeO2 islands. Atomically resolved scanning tunnel microscopy (STM) images indicate a surface structure of the fluorite-type CeO2(111) 1×1 phase and the presence of surface defects. |
| Keywords: | CeO2 Pt(111) Surface alloy Scanning tunneling microscopy (STM) Surface structure Surface defects |
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