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On the role of athermal electrons in non-linear photoemission from Ag(100)

Author

Listed:
  • C. Giannetti
  • G. Ferrini
  • S. Pagliara
  • G. Galimberti
  • F. Banfi
  • E. Pedersoli
  • F. Parmigiani

Abstract

The non-linear photoelectron spectra obtained by short laser pulses from a Ag(100) surface show a high-energy electron emission due to an athermal electron distribution created by the laser pulse. By comparing the photoemission at normal and non-normal emission geometry it is possible to evidence the independence of the hot electron photoemission on the parallel momentum and on different final-state configurations. A photoemission correlation measurement evidences that non-photoelectric effects, as tunneling or thermally assisted photoemission, do not contribute to the electron yield. Various theoretical models are discussed on the basis of the present data. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2006

Suggested Citation

  • C. Giannetti & G. Ferrini & S. Pagliara & G. Galimberti & F. Banfi & E. Pedersoli & F. Parmigiani, 2006. "On the role of athermal electrons in non-linear photoemission from Ag(100)," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 53(1), pages 121-125, September.
    • Handle: RePEc:spr:eurphb:v:53:y:2006:i:1:p:121-125
    DOI: 10.1140/epjb/e2006-00337-0
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