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THEAu3Pd(001) SURFACE STUDIED BY ION SCATTERING AND LEED

Author

Listed:
  • S. SPELLER

    (Universität Osnabrück, 49069 Osnabrück, Germany)

  • M. ASCHOFF

    (Universität Osnabrück, 49069 Osnabrück, Germany)

  • J. KUNTZE

    (Universität Osnabrück, 49069 Osnabrück, Germany)

  • W. HEILAND

    (Universität Osnabrück, 49069 Osnabrück, Germany)

  • A. ATREI

    (Dipartimento di Scienze e Tecnologie Chimiche e dei Biosistemi, Università di Siena, 53100 Siena, Italy)

  • U. BARDI

    (Dipartimento di Chimica, Università di Firenze, 50121 Firenze, Italy)

  • E. PLATZGUMMER

    (Inst. für Allgemeine Physik, TU Wien, A-1040 Wien, Austria)

Abstract

The (001) surface of aAu3Pdsingle crystal was studied with different surface analytical techniques. The main results reported about structure, composition and dynamics of the surface are based on ion scattering methods and LEED. We find segregation of Au to the surface forming a complete Au overlayer. The second layer has approximately the bulk Pd concentration. There is no evidence for chemical order in the near surface layers, i.e. Pd is randomly distributed in the lattice. The Au and Pd atoms in the first and the second layer respectively have approximately the same thermal vibrational amplitudes.

Suggested Citation

  • S. Speller & M. Aschoff & J. Kuntze & W. Heiland & A. Atrei & U. Bardi & E. Platzgummer, 1999. "THEAu3Pd(001) SURFACE STUDIED BY ION SCATTERING AND LEED," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 6(05), pages 829-833.
    • Handle: RePEc:wsi:srlxxx:v:06:y:1999:i:05:n:s0218625x99000871
    DOI: 10.1142/S0218625X99000871
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