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Polarization Dependent Resonances in Core Initiated Photon Stimulated Desorption of Ions from Chemisorbed Molecules

  • R. Treichler
  • W. Riedl
  • W. Wurth
  • P. Feulner
  • D. Menzel
Conference paper
Part of the Springer Series in Surface Sciences book series (SSSUR, volume 4)

Abstract

The photon stimulated ion desorption off chemisorption layers on metals is very effectively initiated by adsorbate core level ionisation. It has been shown on simple covalent adsorption systems like CO and NO on transition metals [1,2] that in particular primary multielectron excitations with energies partly much above the pure core level binding energy play an important role for fragment ion desorption. This finding differs from corresponding gas phase fragmentation results. It is ascribed to the additional charge transfer interaction of the metal underlayer which may quench certain desorption channels and which is responsible for the generally lowered desorption yields because of efficient reneutralization and partly pronounced differences in cross-sectional behaviour of the fragmentation products compared to the gas phase.

Keywords

Electron Stimulate Desorption Dipole Selection Rule Desorption Yield Chemisorption Layer Chemisorb Molecule 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. 1.
    R. Jaeger, R. Treichler and J. Stöhr: Surf.Sci. 117 (1982) 533–548CrossRefGoogle Scholar
  2. 2.
    R. Treichler, W. Riedl, W. Wurth, P. Feulner and D. Menzel: Phys.Rev.Lett. 54 462 (1985)CrossRefGoogle Scholar
  3. 3.
    D.E.Ramaker: J.Chem.Phys. 78 (6) (1983) 2998CrossRefGoogle Scholar
  4. 4.
    J.C. Fuggle, T.E. Madey, M. Steinkilberg and D. Menzel: Surf.Sci. 52 (1975) 521–541CrossRefGoogle Scholar
  5. 5.
    E. Umbach, S. Kulkarni, P. Feulner and D. Menzel: Surf.Sci. 88 (1979) 65–94CrossRefGoogle Scholar
  6. 6.
    R.A. Rosenberg, P.J. Love, P.R. LaRoe, V. Rehn: Phys.Rev.B 31 (1985) 2634–2642CrossRefGoogle Scholar
  7. 7.
    W. Eberhardt, C.T. Chen, W.K. Ford, E.W. Plummer, H.R. Moser: this volumeGoogle Scholar
  8. 8.
    P. Hofmann, J. Gossler, A. Zartner, M. Glanz and D. Menzel: submitted to Surf.Sci.Google Scholar
  9. 9.
    J. Stöhr, R. Jaeger, J.J. Rehr: Phys.Rev.Lett. 51 (1983) 821CrossRefGoogle Scholar
  10. 10.
    E. Umbach and Z. Hussain: Phys.Rev.Lett. 52 (1984) 457CrossRefGoogle Scholar
  11. 11.
    R. Treichler, W. Riedl, W. Wurth, P. Feulner and D. Menzel: to be publishedGoogle Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1985

Authors and Affiliations

  • R. Treichler
    • 1
  • W. Riedl
    • 1
  • W. Wurth
    • 1
  • P. Feulner
    • 1
  • D. Menzel
    • 1
  1. 1.Fakultät für Physik E 20Technische Universität MünchenGarchingFed. Rep. of Germany

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