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Self-assembled heterogeneous argon/neon core-shell clusters studied by photoelectron spectroscopy

  • M. Lundwall
  • W. Pokapanich
  • H. Bergersen
  • A. Lindblad
  • T. Rander
  • G. Ohrwall
  • Maxim Tchaplyguine
  • S. Barth
  • U. Hergenhahn
  • S. Svensson
  • O. Bjorneholm
Publiceringsår: 2007
Språk: Engelska
Publikation/Tidskrift/Serie: Journal of Chemical Physics
Volym: 126
Nummer: 21
Dokumenttyp: Artikel
Förlag: American Institute of Physics


Clusters formed by a coexpansion process of argon and neon have been studied using synchrotron radiation. Electrons from interatomic Coulombic decay as well as ultraviolet and x-ray photoelectron spectroscopy were used to determine the heterogeneous nature of the clusters and the cluster structure. Binary clusters of argon and neon produced by coexpansion are shown to exhibit a core-shell structure placing argon in the core and neon in the outer shells. Furthermore, the authors show that 2 ML of neon on the argon core is sufficient for neon valence band formation resembling the neon solid. For 1 ML of neon the authors observe a bandwidth narrowing to about half of the bulk value. (c) 2007 American Institute of Physics.



  • Physics and Astronomy


  • ISSN: 0021-9606

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