Imaging cluster surfaces with atomic resolution: the strong metal-support interaction state of Pt supported on TiO2(110) |
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Authors: | Dulub Hebenstreit Diebold |
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Affiliation: | Department of Physics, Tulane University, New Orleans, Louisiana 70118, USA. |
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Abstract: | 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. |
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