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Small Pt nanoparticles on the TiO 2 (110)-(1 x 2) surface

AuthorsSánchez-Sánchez, Carlos ; Martín-Gago, José A. ; López, María Francisca
KeywordsSurface reconstruction
Titanium oxide
Issue Date2013
CitationSurface Science 607: 159-163 (2013)
AbstractScanning tunnelling microscopy (STM) has been used to study the initial stages of Pt deposition on the TiO 2 (110)-(1 × 2) surface. Experimental STM images recorded for Pt coverage of 0.1 and 0.4 ML, suggest a Volmer-Weber growth. For low coverage and RT deposition, small clusters homogeneously distributed on the surface terraces are observed. However, after annealing at 825 K, material agglomeration, with nucleation mainly at the cross-links, is observed as a consequence of Pt diffusion on the surface. Finally, the structure of small clusters has been determined, in good agreement with previous theoretical calculations. © 2012 Elsevier B.V. All rights reserved.
Publisher version (URL)http://doi.org/10.1016/j.susc.2012.08.028
Identifiersissn: 0039-6028
Appears in Collections:(ICMS) Artículos
(ICMM) Artículos
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