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

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

2007-12-14

arxiv.org/abs/0712.2325v1

The European Physical Journal B 60, 409-411 (2007)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

3 pages, 3 figures, accepted by Eur. Phys. J. B

Scientific paper

10.1140/epjb/e2008-00019-y

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.

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