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The influence of lateral interactions on the vibrational spectrum of adsorbed CO

Authors
Journal
Surface Science
0039-6028
Publisher
Elsevier
Publication Date
Volume
81
Issue
2
Identifiers
DOI: 10.1016/0039-6028(79)90120-1

Abstract

Abstract Vibrational spectroscopy of adsorbed CO often reveals strong shifts of the CO stretch absorption band to higher frequencies as a function of increasing coverage. It is shown that such shifts are due essentially to dipole-dipole interactions. The extent of the experimentally observed effect can, however, only be reproduced when screening by the substrate is taken into account properly.

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