Imaging Cluster Surfaces with Atomic Resolution: The Strong Metal-Support Interaction State of Pt Supported onTiO2(110)
| Autor: | Ulrike Diebold, Wilhelm Hebenstreit, Olga Dulub |
|---|---|
| Rok vydání: | 2000 |
| Předmět: |
Materials science
Annealing (metallurgy) General Physics and Astronomy chemistry.chemical_element Nanotechnology law.invention Titanium oxide Metal chemistry law Chemical physics visual_art Atomic model Cluster (physics) visual_art.visual_art_medium Scanning tunneling microscope Electron microscope Platinum |
| Zdroj: | Physical Review Letters. 84:3646-3649 |
| ISSN: | 1079-7114 0031-9007 |
| DOI: | 10.1103/physrevlett.84.3646 |
| Popis: | Nanosized platinum clusters were grown on a TiO2(110) surface and annealed in ultrahigh vacuum at high temperatures. This leads to the so-called strong metal-support interaction (SMSI) state, characterized by a complete encapsulation of the clusters with a reduced titanium oxide layer. We present atomically resolved scanning tunneling microscopy measurements of the cluster surfaces and an atomic model of the SMSI state. The ability to resolve the cluster surface geometry with atomistic detail may help to identify the active sites responsible for the SMSI. |
| Databáze: | OpenAIRE |
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