Abstract:Strong enhancement of the oxygen-chemisorption at a Cu(110) surface is measured during low energy (some keV)noble gas (Ne +) ion bombardment. This phenomenon is independent of the coverage and is linearly related to the number of impinging ions per second. A model description of the oxygen adsorption on a Cu(110) surface is given: the model of dissociative adsorption via a mobile precursor state is extended to take into account the twofold symmetry of the surface. From a comparison of model calculations with t… Show more
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