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Electronically Excited States of Adsorbates on Metal Surfaces

  • Ph. Avouris
  • J. E. Demuth
Part of the Springer Series in Chemical Physics book series (CHEMICAL, volume 33)

Abstract

In recent years there has been a growing interest in understanding the nature and the decay mechanisms of the electronic excitations of adsorbates. The energies and lifetimes of such excitations are important in a variety of active research areas such as photon and electron-stimulated desorption, photoluminescence and photochemistry of adsorbates, resonance photoemission, surface-enhanced Raman scattering (SERS) and non-linear surface optical processes. In general, optical studies of such excitations are hampered by weak signals and by the limited spectral range accessible. Electron energy loss spectroscopy (EELS), however, has submonolayer sensitivity and can probe a very wide range of excitations from vibrational to high-lying electronic excitations. With the appropriate choice of scattering conditions, EELS also permits symmetry and spin-forbidden transitions to be observed.1,2

Keywords

Electron Energy Loss Spectroscopy Charge Transfer Band Charge Transfer Transition Electron Energy Loss Spectrum Electron Energy Loss Spectroscopy Spectrum 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1983

Authors and Affiliations

  • Ph. Avouris
    • 1
  • J. E. Demuth
    • 1
  1. 1.IBM T.J. Watson Research CenterYorktown HeightsUSA

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