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Postcollision interaction in noble gas clusters: Observation of differences in surface and bulk line shapes

  • A Lindblad
  • RF Fink
  • H Bergersen
  • M Lundwall
  • T Rander
  • R Feifel
  • G Ohrwall
  • Maxim Tchaplyguine
  • U Hergenhahn
  • S Svensson
  • O Bjorneholm
Publiceringsår: 2005
Språk: Engelska
Publikation/Tidskrift/Serie: Journal of Chemical Physics
Volym: 123
Nummer: 21
Dokumenttyp: Artikel
Förlag: American Institute of Physics


The surface and bulk components of the x-ray photoelectron spectra of free noble gas clusters are shown to display differences in the influence of postcollision interaction between the photoelectron and the Auger electron on the spectral line shape; the bulk component is observed to be less affected than the surface and atomic parts of the spectra. A model for postcollision interaction in nonmetallic solids and clusters is also provided which takes the polarization screening into account. Core-level photoelectron spectra of Ar, Kr, and Xe have been recorded to verify the dependence of the postcollision interaction effect on the polarizability of the sample.



  • Physics and Astronomy


  • ISSN: 0021-9606

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