Quantum theory of infrared-reflection spectroscopy from adsorbate-covered metal surfaces in the anomalous-skin-effect frequency region
- 15 July 1995
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 52 (4) , 2899-2906
- https://doi.org/10.1103/physrevb.52.2899
Abstract
A fully quantum-mechanical theory of infrared-reflection spectroscopy from adsorbate-covered metal surfaces is presented. In contrast to our earlier semiclassical theory [B. N. J. Persson and A. I. Volokitin, Surf. Sci. 310, 314 (1994)], which is valid only for parallel vibrational modes of atomic adsorbates, the present theory is applicable for arbitrary dipole-forbidden modes. It is shown that for a metal with a broad conduction band, the asymmetry of the line shape of dipole-forbidden adsorbate vibrational modes is determined essentially by nonlocal optics effects, with negligible contribution from nonadiabaticity. The theory is in good agreement with experimental data.This publication has 19 references indexed in Scilit:
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