Vibrational Phase Relaxation at Surfaces: CO on Ni(111)
- 13 May 1985
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 54 (19), 2119-2122
- https://doi.org/10.1103/physrevlett.54.2119
Abstract
The temperature dependence of the internal stretch vibrational mode of CO adsorbed on Ni(111) has been studied by infrared spectroscopy. The results are successfully analyzed by a model for vibrational phase relaxation. It is found that anharmonic coupling between the C-O stretch mode and a low-frequency frustrated rotation gives the dominant contribution.Keywords
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