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The epitaxial growth of Pt on the Rh(111) surface at 700K was studied with AES, UPS, ISS and STM. From AES and ISS measurements a 2D growth mode is concluded at this substrate temperature. The morphology of the surface is studied by photoemission spectra of adsorbed Xe (PAX) and STM. A disperse distribution of the Pt atoms is suggested by PAX and is consistent with an incorporation of these atoms...
The adsorption of Cl - ions on a Cu(111) electrode was studied by UHV-based spectroscopies and by cyclic voltammetry. After standard UHV preparation the sample was transferred to an electrochemical cell. The shape of the voltammograms can be explained by a superposition of Cl - adsorption/desorption and a hydrogen reduction current, if an enhancement of the hydrogen reduction by...
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