Community Research and Development Information Service - CORDIS

  • European Commission
  • CORDIS
  • Publications
  • Quantitative X-ray photoelectron spectroscopy of CuAu, CoNi and CuNi alloys using theoretical photoionisation cross sections or reference spectra

Abstract

This paper studies the extent to which the accuracy of quantitative analysis of X-ray photoelectron spectroscopy is affected by neglect of the shake-up electrons. Three sets of alloys (CuAu, CoNi and CuNi) were studied. It was found that the accuracy of quantification from first principles based on the intensity in a narrow energy range around the peak energy can lead to errors of up to 114 %. The error is discussed in terms of the importance of shake-up effects. When reference spectra are applied, these effects are reduced and the Shirley method for background estimation then yields compositions for the considered alloys that differ by between 2 % and 22 % from those determined with an algorithm that is based on a physical description of the inelastically scattered electrons.

Additional information

Authors: JANSSON C, Odense Universitet, Fysisk Institut (DK);TOUGAARD S, Odense Universitet, Fysisk Institut (DK)
Bibliographic Reference: Article: Journal Vacuum Science and Technology A, Vol. 12 (1994) No. 4, pp. 2332-2336
Follow us on: RSS Facebook Twitter YouTube Managed by the EU Publications Office Top