Possibility of minimal surface contributions to low photon energy angle-resolved photoemission of CeRu2Si2
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Possibility of minimal surface contributions to low photon energy angle-resolved photoemission of CeRu2Si2

  • Author(s): Denlinger, Jonathan D.
  • Gweon, Gey-Hong
  • Allen, James W.
  • Sarrao, John L.
  • et al.
Abstract

Surface-related effects in angle-resolved valence spectra of CeRu_2Si_2 at the Ce 4d->$5f resonance threshold for different cleaved surfaces are presented and compared to angle-integrated valence spectra and to bulk-sensitive Ce 3d-edge valence spectra. Evidence that Ce 4d-edge photoemission spectroscopy on ideal cleaved surfaces is dominated by bulk Ce 4f states is presented.

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