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The adsorption of CO and the reaction of CO with preadsorbed oxygen at room temperature has been studied on the Rh(111)2x1-O surface and on ceria-Rh(111) ''inverse model catalyst'' surfaces using C 1s and O 1s core level and valence band photoelectron spectroscopy with synchrotron radiation. The adsorption of CO on the oxygen-precovered (2x1)-O surface was found to proceed slower than on the clean...
Ultrathin layers of cerium oxide have been deposited on a Rh(111) surface and their growth morphology, structure, and thermal stability have been investigated by LEED, STM, XPS, and valence band resonant photoemission. STM and LEED indicate that the ceria grows epitaxially in form of ordered CeO 2 islands at elevated substrate temperature (250-300 o C), with (111) faces parallel and...
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