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In-Situcore-Level Photoelectron Spectroscopy Of Adsorbates On Surfaces Involving A Molecular Beam — General Setup And First Experiments

Author

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  • R. DENECKE

    (Institut für Physikalische Chemie II, Universität Erlangen-Nürnberg, Egerlandstr. 3, 91058, Erlangen, Germany)

  • M. KINNE

    (Institut für Physikalische Chemie II, Universität Erlangen-Nürnberg, Egerlandstr. 3, 91058, Erlangen, Germany)

  • C. M. WHELAN

    (Institut für Physikalische Chemie II, Universität Erlangen-Nürnberg, Egerlandstr. 3, 91058, Erlangen, Germany)

  • H.-P. STEINRÜCK

    (Institut für Physikalische Chemie II, Universität Erlangen-Nürnberg, Egerlandstr. 3, 91058, Erlangen, Germany)

Abstract

In this contribution we introduce a new apparatus combining high-resolution photoelectron spectroscopy and supersonic molecular beam techniques designed to follow simple surface reactions like adsorption, desorption or oxidationin situin a time- and temperature-resolved manner. Using high brightness synchrotron radiation high resolution core-level spectra can be obtained in less than 3 s. The molecular beam allows for local pressures of up to1 · 10-5mbar and translational energies of the molecules of up to 2 eV in the case of CO. Preliminary examples of CO adsorption on Pt(111) are shown, where kinetic parameters can be derived from the coverage dependence of the different adsorption sites.

Suggested Citation

  • R. Denecke & M. Kinne & C. M. Whelan & H.-P. Steinrück, 2002. "In-Situcore-Level Photoelectron Spectroscopy Of Adsorbates On Surfaces Involving A Molecular Beam — General Setup And First Experiments," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 9(02), pages 797-801.
    • Handle: RePEc:wsi:srlxxx:v:09:y:2002:i:02:n:s0218625x0200297x
    DOI: 10.1142/S0218625X0200297X
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