DIET in High-Temperature Superconductors

  • R. A. Rosenberg
  • C.-R. Wen
Conference paper
Part of the Springer Series in Surface Sciences book series (SSSUR, volume 19)

Abstract

We present results of photon-stimulated desorption (PSD) measurements from the high-T c , 123 superconductors, MBa2Cu3O7 x where M = Y or Dy. The predominant desorbing species is O2. Excitation spectra in the energy range 60–140 eV show structure due to excitation of Cu(3p) and Ba(4d) electrons. In the energy range 10–30 eV spectral features may be related to excitation of Ba(5p) and O(2s) electrons with possible contributions from bulk and surface plasmons.

Keywords

Auger Nism Phen 

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Copyright information

© Springer-Verlag Berlin, Heidelberg 1990

Authors and Affiliations

  • R. A. Rosenberg
    • 1
  • C.-R. Wen
    • 1
    • 2
    • 3
  1. 1.Synchrotron Radiation CenterUniversity of Wisconsin-MadisonStoughtonUSA
  2. 2.Department of PhysicsUniversity of WisconsinMadisonUSA
  3. 3.Department of Electronic EngineeringNational Taiwan University of Marine Science and TechnologyKeelungTaiwan, Republic of China

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