Off-Specular Coherent and Incoherent Elastic Scattering from Cu(001) and Adsorbed Layers of CO and Xe
- 19 October 1981
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 47 (16) , 1141-1144
- https://doi.org/10.1103/physrevlett.47.1141
Abstract
Coherent and incoherent elastic scattering of He was observed from Cu(001) and adsorbed layers of CO and Xe. It is shown that specular and off-specular elastic scattering can yield insight into adsorption mechanisms at low coverages. The variation of incoherent elastic scattering with coverage shows different behavior for CO (random) and Xe (island) adsorption. A maximum appears in the incoherent elastic for CO as predicted theoretically for site adsorption.Keywords
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