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| - Theoretical Study of CO and NO Chemisorption on RhCu(111) Surfaces
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| - A systematic density functional theory study using periodic models is presented concerning the chemisorptionof CO and NO on various sites of RhCu(111) surfaces. The properties of the adsorbed molecules on variousmono- and bimetallic sites of these alloy surfaces have been obtained and compared to those correspondingto the pure Rh(111) and Cu(111) surfaces. It is shown that that the interaction of small probe molecules suchas CO or NO on RhCu alloys is essentially dominated by the atomic nature of the surface active site withlittle influence of the rest of the metallic system. Moreover, it is suggested that it is possible to control theadsorption site of these molecules by appropriate choice of the surface composition.
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