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Bulk and surface charge states of K3C60

På svenska

Author

  • J Schiessling
  • L Kjeldgaard
  • T Kaambre
  • I Marenne
  • JN O'Shea
  • J Schnadt
  • Chris Glover
  • M Nagasono
  • D Nordlund
  • MG Garnier
  • L Qian
  • JE Rubensson
  • P Rudolf
  • Nils Mårtensson
  • J Nordgren
  • PA Bruhwiler
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Summary, in English

We detect a significant angle-dependence in the core level and valence line shapes of photoelectron spectra of single crystal K3C60. This allows the identification of bulk and surface components in the data, and allows us to explain the anomalous line shapes observed for this system. The states near the Fermi level are associated with the bulk of the sample. There is strong evidence of an insulating surface layer, which we ascribe to intermolecular electron correlations. These results simplify the interpretation of previous, apparently conflicting observations.

Department/s

Publishing year

2005

Language

English

Publication/Series

Physical Review B (Condensed Matter and Materials Physics)

Volume

71

Issue

16

Document type

Journal article

Publisher

American Physical Society

Topic

  • Physical Sciences
  • Natural Sciences

Status

Published

ISBN/ISSN/Other

  • ISSN: 1098-0121