Experimental and theoretical analysis of the multiphonon excitation probability for Einstein-like modes in atom-surface scattering
Journal Article
·
· Physical Review B
The probabilities of multiple excitation (multiphonon transfer) of decoupled, oscillating adsorbates on a surface via impact by an atom or molecule are discussed using a dynamical scattering model, and comparisons are made with helium scattering results for carbon monoxide adsorbed on metal surfaces. The scattering model, which contains no free adjustable parameters, is shown to predict correctly the angular dependence of the distribution of the multiphonon excitations in addition to the variation with incident energy and adsorbate frequency. Furthermore, the model is used to calculate the excitation probability of other vibrational modes that have not yet been observed using helium-atom scattering.
- Sponsoring Organization:
- (US)
- OSTI ID:
- 40205481
- Journal Information:
- Physical Review B, Journal Name: Physical Review B Journal Issue: 15 Vol. 63; ISSN 0163-1829
- Publisher:
- The American Physical Society
- Country of Publication:
- United States
- Language:
- English
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