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Type: Artigo de periódico
Title: Surface Segregation And Surface Electronic Interactions In Ptcu
Author: Shek M.L.
Stefan P.M.
Weissman-Wenocur D.L.
Pate B.B.
Lindau I.
Spicer W.E.
Sundaram V.S.
Abstract: Photoemission and Auger electron spectroscopy on Pt0.98Cu0.02 show that the (110) face has over twice as much Cu surface segregation as the (111) face. The Cu 3d-derived surface "density of states" differ strikingly in peak shape and in width (by 0.5 eV). The centroids, compared with bulk Cu d states, are shifted by more than 0.3 eV towards the Fermi level. This is the first experimental correlation between surface segregation and surface bonding. © 1982.
Rights: fechado
Identifier DOI: 10.1016/0167-2584(82)90533-3
Date Issue: 1982
Appears in Collections:Unicamp - Artigos e Outros Documentos

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