Inelastic electron interactions in overlayers on substrates

Yung-Fu Chen*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

The inelastic interaction of electrons with overlayers on substrates is investigated within the framework of dielectric response theory. A general formula for the position-dependent inelastic differential inverse mean free path (DIIMFP), for electron transport in a layered system has been derived. The position dependence reveals specific details of the changes between bulk, interface and surface excitation modes. Numerical calculations of the DIIMFP and the IIMFP have been made for the case of a Au film deposited on a Si substrate, for which experimental optical constants and an extended Drude dielectric function have been used.

Original languageEnglish
Pages (from-to)73-81
Number of pages9
JournalSurface Science
Volume407
Issue number1-3
DOIs
StatePublished - 10 Jun 1998

Keywords

  • Inelastic interactions
  • Interface plasmon
  • Overlayer
  • Surface plasmon

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