CO OXIDATION ON Ag(110): SURFACE RECONSTRUCTIONS CONTRA SUBSURFACE OXYGEN

U. Burghaus (), A. Böttcher and H. Conrad
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U. Burghaus: Physikalische Chemie I, Ruhr-Universität Bochum, 44780 Bochum, Germany
A. Böttcher: Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 3-6, 14195 Berlin, Germany
H. Conrad: Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 3-6, 14195 Berlin, Germany

Surface Review and Letters (SRL), 2003, vol. 10, issue 01, 39-48

Abstract: Transient CO2formation has been studied under "quasi-steady-state" measuring conditions by means of surface titrations. By this method the reactivity of the surface could be sampled as a function of time, thereby following the formation of the surface reconstruction induced by oxygen. The reactivity of the surface towards CO oxidation was reduced in the course of the developing surface reconstruction. A possible influence of subsurface oxygen on the CO2formation rates can be excluded.

Keywords: Carbon monoxide oxidation; molecular beams; Ag(110); subsurface oxygen; surface reconstruction (search for similar items in EconPapers)
Date: 2003
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DOI: 10.1142/S0218625X03004603

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