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HIGH RESOLUTION CORE LEVEL SPECTROSCOPY AT THE Cu/Ru(0001) INTERFACE

Author

Listed:
  • T. H. ANDERSEN

    (Physics Department, University of Southern Denmark, Odense University, Campusvej 55, DK-5230 Odense M, Denmark)

  • L. BECH

    (Physics Department, University of Southern Denmark, Odense University, Campusvej 55, DK-5230 Odense M, Denmark)

  • J. ONSGAARD

    (Institute of Physics, Aalborg University, DK-9220 Aalborg Øst, Denmark)

  • S. V. HOFFMANN

    (Institute for Storage Ring Facilities, University of Aarhus, DK-8000 Aarhus C, Denmark)

  • Z. LI

    (Institute for Storage Ring Facilities, University of Aarhus, DK-8000 Aarhus C, Denmark)

Abstract

Copper adsorption on Ru(0001) has been studied by synchrotron radiation. The clean Ru3d5/2spectra were found to consist of two components with a binding energy shift of 400 meV. The component with the lower binding energy represents the first layer of ruthenium atoms. Adsorption of copper gives rise to core level shifts of the Ru3d5/2components, which were studied as a function of Cu coverage. Experiments were carried out with copper coverages varying from the submonolayer range up to two monolayers of copper. The binding energy of the Cu2p3/2level was measured by X-ray photoemission spectroscopy.

Suggested Citation

  • T. H. Andersen & L. Bech & J. Onsgaard & S. V. Hoffmann & Z. Li, 2002. "HIGH RESOLUTION CORE LEVEL SPECTROSCOPY AT THE Cu/Ru(0001) INTERFACE," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 9(02), pages 723-727.
    • Handle: RePEc:wsi:srlxxx:v:09:y:2002:i:02:n:s0218625x02002798
    DOI: 10.1142/S0218625X02002798
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