Confined Ge–Pt states in self-organized Pt nanowire arrays on Ge(001)

U. Schwingenschlögl () and C. Schuster

The European Physical Journal B: Condensed Matter and Complex Systems, 2007, vol. 60, issue 4, 409-411

Abstract: By means of band structure calculations within the density functional theory and the generalized gradient approximation, we investigate the electronic structure of self-organized Pt nanowires on the Ge(001) surface. In particular, we deal with a novel one-dimensional surface state confined in the nanowire array and clarify its origin. Due to large Pt contributions, the novel state is rather a mixed Ge–Pt hybrid state than a confined Ge surface state. Moreover, we compare our results to data from scanning tunneling microscopy. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2007

Keywords: 73.20.-r Electron states at surfaces and interfaces; 73.20.At Surface states; band structure; electron density of states (search for similar items in EconPapers)
Date: 2007
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DOI: 10.1140/epjb/e2008-00019-y

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