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Probing GaSb(110) Surface and Interfaces by Photon Stimulated Desorption (PSD)

  • Z. Hurych
  • P. S. Mangat
  • J. Peng
  • D. Crouch
  • D. Hochereau
  • P. Soukiassian
  • L. Soonekindt
  • J. J. Bonnet
Conference paper
Part of the Springer Series in Surface Sciences book series (SSSUR, volume 31)

Abstract

We present photon stimulated desorption (PSD) studies of alkali metals Na and Cs on a III-V semiconductor GaSb(110). It is shown that both Na and Cs alter significantly the surface reactivity of the GaSb(110) as indicated by the desorption of H+ which is observed in the presence of an alkali metal overlayer but absent in the case of pure cleaved surfaces. The different desorption sites of H+ on these surfaces are discussed together with the difference between Na and Cs overlayers.

Keywords

Alkali Metal Rapid Thermal Annealing Surface Electronic Structure Metal Overlayer Surface Free Charge 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1993

Authors and Affiliations

  • Z. Hurych
    • 1
  • P. S. Mangat
    • 1
  • J. Peng
    • 1
  • D. Crouch
    • 1
  • D. Hochereau
    • 2
    • 3
  • P. Soukiassian
    • 1
    • 2
    • 3
  • L. Soonekindt
    • 4
  • J. J. Bonnet
    • 4
  1. 1.Department of PhysicsNorthern Illinois UniversityDeKalbUSA
  2. 2.Commissariat à l’Energie Atomique, Service de Physique des Atomes et des SurfacesCentre d’Etudes Nucléaires de SaclayFrance
  3. 3.Département de PhysiqueUniversité de Paris-SudOrsayFrance
  4. 4.Laboratoire d’Etudes des Surfaces, Interfaces et ComposantsUniversité de Montpellier IIFrance

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