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We have developed an in-lab energy-filtered X-ray photoemission electron microscopy (EXPEEM) combining a high-brilliance X-ray source and a new Wien filter-type energy analyzer, which can accept photoelectrons in a wide angle. To obtain high energy resolution, we enlarged the inner diameter of the filter and reduced aberrations of an analyzer using multipole electrodes and air-core coils. We obtained...
The formation and development of spatio-temporal concentration patterns associated with the catalytic oxidation of carbon monoxide on a Pt(100) surface modified by deposition of sub monolayers of Au was investigated by means of photoemission electron microscopy (PEEM). The presence of Au atoms essentially reduces the adsorption probability for oxygen and the diffusion coefficient for chemisorbed CO,...
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