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Energy-filtered X-ray photoemission electron microscopy (EXPEEM) is a microscopy technique which has the potential to provide surface chemical mapping during surface chemical processes on the nanometer scale. We studied the possibilities of EXPEEM using a Wien filter type energy analyzer in the high energy X-ray region above 1000eV. We have successfully observed the EXPEEM images of Au islands on...
The reactivity of oxygen adatoms formed by dissociative adsorption of oxygen at 100 K on Cu(100) for CO oxidation was investigated by means of HREELS and TPD in comparison with the reactivity of adsorbed oxygen in thermally stable phases. On Cu(100) covered with oxygen adatoms formed at 100 K, designated as oxygen-as-exposed surface, post-dosed CO was oxidized at 125 K in TPD. On annealing the as-exposed...
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