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The chemisorption and reactivity of SO 2 on Pt{111} have been studied by HREELS, XPS, NEXAFS and temperature-programmed desorption. At 160 K SO 2 adsorbs intact at high coverages, with η 2 S O coordination to the surface. On annealing to 270 K, NEXAFS indicates the SO 2 molecular plane essentially perpendicular to the surface. Preadsorbed O a reacts with SO...
The adsorption of SO 2 on Cu(100) has been studied by X-ray absorption fine structure measurements above both the oxygen and sulfur K edge. The analysis of the data for the (SO 2 + O) phase formed after heating a condensed SO 2 layer to 180 K shows that SO 2 is adsorbed with its molecular plane parallel to the surface normal and that the co-adsorbed atomic oxygen is...
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