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2000 | 97 | 3 | 567-570
Article title

Effects of Core-Hole Screening on Spin-Polarised Auger Spectra from Ferromagnetic Ni

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EN
Abstracts
EN
We calculate the spin- and temperature-dependent local density of states for ferromagnetic Ni in the presence of a core hole at a distinguished site in the lattice. Correlations among the valence electrons and between valence and core electrons are described within a multi-band Hubbard model which is treated by means of second-order perturbation theory around the Hartree-Fock solution. The core-hole potential causes strong screening effects in the Ni valence band. The local magnetic moment is found to be decreased by a factor of 5-6. The consequences for the spin polarisation of CVV Auger electrons are discussed.
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Contributors
author
  • Lehrstuhl "Festkörpertheorie", Institut für Physik, Humboldt-Universität zu Berlin, Invalidenstraße 110, 10115 Berlin, Germany
author
  • Lehrstuhl "Festkörpertheorie", Institut für Physik, Humboldt-Universität zu Berlin, Invalidenstraße 110, 10115 Berlin, Germany
author
  • Lehrstuhl "Festkörpertheorie", Institut für Physik, Humboldt-Universität zu Berlin, Invalidenstraße 110, 10115 Berlin, Germany
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bwmeta1.element.bwnjournal-article-appv97z351kz
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