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Applied Physics A

, Volume 45, Issue 3, pp 249–253 | Cite as

Multipole surface excitations on small oxide-covered metal particles by fast electrons

  • D. B. Tran Thoai
  • E. Zeitler
Surfaces, Interfaces, and Layer Structures

Abstract

Inelastic scattering of fast electrons by small oxide-covered metal particles is studied within the hydrodynamic model. The oxide layer is described by a static dielectric function ɛ0. The surface plasmon frequency and the energy loss probability for multipole surface modes are calculated. Results forrs=2 jellium and ɛ0=3.7 are reported. Many higher multipole contributions are suppressed by the presence of the oxide layer. However, the surface modesl=2 can still be seen clearly in the excitation probability.

PACS

73.20.-r 79.20.Kz 

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Copyright information

© Springer-Verlag 1988

Authors and Affiliations

  • D. B. Tran Thoai
    • 1
  • E. Zeitler
    • 1
  1. 1.Fritz-Haber-Institut der Max-Planck-GesellschaftBerlin 33

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