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Femtosecond interatomic Coulombic decay in free neon clusters: Large lifetime differences between surface and bulk

På svenska

Author

  • G Ohrwall
  • Maxim Tchaplyguine
  • M Lundwall
  • R Feifel
  • H Bergersen
  • T Rander
  • A Lindblad
  • Joachim Schulz
  • Sergey Peredkov
  • S Barth
  • S Marburger
  • U Hergenhahn
  • S Svensson
  • O Bjorneholm
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Summary, in English

A quantitative determination of 2s vacancy lifetimes in surface and bulk atoms of free Ne clusters has been made. While for free atoms the 2s inner-valence hole has a ps lifetime, it reduces to 6+/-1 fs for cluster bulk atoms. For surface atoms, the lifetime is on average longer than 30 fs. The lifetime estimate was obtained from fits of high-resolution photoelectron spectra of Ne clusters. The shortening of the lifetime is attributed to the coordination dependent interatomic Coulombic decay, which is extremely sensitive to internuclear distances.

Publishing year

2004

Language

English

Publication/Series

Physical Review Letters

Volume

93

Issue

17

Document type

Journal article

Publisher

American Physical Society

Topic

  • Natural Sciences
  • Physical Sciences
  • Atom and Molecular Physics and Optics

Status

Published

ISBN/ISSN/Other

  • ISSN: 1079-7114