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High Resolution Electron Energy Loss Spectroscopy Applied To A Graphite Surface Modified By Ion Bombardment

Author

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  • DENIS ROY

    (Centre de Recherche sur les Propriétés des Interfaces et la Catalyse (CERPIC) and Laboratoire de Physique Atomique et Moléculaire (LPAM), Département de Physique, Université Laval, Cité Universitaire, Québec, G1K 7P4, Canada)

  • MARC PORTAIL

    (Équipe Plasma-Surface, Laboratoire PIIM, UMR 6633–Université de Provence, Case 241, Avenue Escadrille Normandie-Niemen, 13397 Marseille Cedex 20, France)

  • JEAN-MARC LAYET

    (Équipe Plasma-Surface, Laboratoire PIIM, UMR 6633–Université de Provence, Case 241, Avenue Escadrille Normandie-Niemen, 13397 Marseille Cedex 20, France)

Abstract

This work presents the application of the technique known as high resolution electron energy loss spectroscopy (HREELS) to the study of a modern technological surface. First the physics of the interaction of low energy electrons with surfaces is briefly reviewed. The dielectric theory of inelastic electron scattering is outlined, with its application to surfaces and the excitation of phonons, polaritons and plasmons. Then a study of the modification of a graphite surface by Ar and H ion bombardment is presented, in relation with graphite surfaces modified by plasma wall interactions in fusion reactors. The observations of phonons and low energy plasmons are reported, with the C–H stretching vibrations as well following theH+bombardment. These observations are related to structural and chemical modifications induced by the ion bombardment.

Suggested Citation

  • Denis Roy & Marc Portail & Jean-Marc Layet, 2000. "High Resolution Electron Energy Loss Spectroscopy Applied To A Graphite Surface Modified By Ion Bombardment," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 7(04), pages 463-473.
    • Handle: RePEc:wsi:srlxxx:v:07:y:2000:i:04:n:s0218625x00000439
    DOI: 10.1142/S0218625X00000439
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