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Recently there has been intense interest in the vibrational dynamics of molecular adsorbates on simple surfaces [1]. In this contribution we present free induction decay (FID) measurements of the vibrational dephasing of CO adsorbed on Cu[111]. To our knowledge this represents the first measurement of a FID signal from an adsorbate on a metal, and the fastest coherent transient IR measurement performed on surface adsorbates thus far. The experiments described are the first in a series of ultrafast surface dynamical studies that are underway in our laboratory.
© 1992 The Author(s)
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