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Photoemission from stepped W(110) : Initial or final state effect?

  • The electronic structure of the (110)-oriented terraces of stepped W(331) and W(551) is compared to the one of flat W(110) using angle-resolved photoemission. We identify a surface-localized state which develops perpendicular to the steps into a repeated band structure with the periodicity of the step superlattices. It is shown that a final-state diffraction process rather than an initial-state superlattice effect is the origin of the observed behavior and why it does not affect the entire band structure

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Metadaten
Author:A. M. Shikin, Andrei Varykhalov, G. V. Prudnikova, V. K. Adamchuk, Wolfgang Gudat, Oliver Rader
ISSN:0031-9007
Document Type:Article
Language:English
Year of first Publication:2004
Year of Completion:2004
Release Date:2017/03/24
Source:Physical Review Letters. - ISSN 0031-9007. - 93 (2004), 14, S. 4
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik und Astronomie
Peer Review:Referiert
Institution name at the time of publication:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik