Surface core level shift observed on NiAl(1 1 0)

Andreas Stierle, C Tieg, Helmut Dosch, V Formoso, Edvin Lundgren, Jesper N. Andersen, Lukas Koehler, Georg Kresse

    Veröffentlichungen: Beitrag in FachzeitschriftArtikelPeer Reviewed

    Abstract

    Using high resolution core level spectroscopy, a surface core level shift towards lower binding energy of -0.13 eV is determined for the 2p level of the outwardly relaxed Al surface atoms on NiAl(110). Density functional theory based calculations with inclusion of final state effects yield a value of -0.14 eV for this shift in excellent agreement with experiment. We show that the initial state approximation yields a value of +0.09 eV, i.e. the inclusion of final state relaxation effects is vital not only to obtain the correct value but even the correct sign for this shift. Œ 2003 Elsevier Science B.V. All rights reserved.
    OriginalspracheEnglisch
    FachzeitschriftSurface Science
    Jahrgang529
    Ausgabenummer3
    DOIs
    PublikationsstatusVeröffentlicht - 2003

    ÖFOS 2012

    • 1030 Physik, Astronomie

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