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Multiple-scattering-theory analysis of XANES spectra of SO2 adsorbed on Cu(100) |
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| Authors: | O ?ipr N Pangher L Wilde M Pol?ík J Haase |
| Institution: | (1) Institute of Physics, Acad. Sci. CR, Cukrovarnická 10, 162 00 Praha 6, Czech Republic;(2) Fritz-Haber-Institut der MPG, Faradayweg 4–6, D-14195 Berlin, Germany;(3) Present address: ITALTBS SpA, Via del Follatoio, I-34100 Trieste, Italy;(4) Present address: Institute of Physics, Acad. Sci. CR, Cukrovarnická 10, 162 00 Praha 6, Czech Republic |
| Abstract: | The sulphur K-edge x-ray absorption spectra of SO2 multilayer and of SO2 submonolayer adsorbed on Cu(100) are analysed. It is found that the dominant spectral features are of a molecular origin. The results support earlier findings that the SO2 molecule stands perpendicular to the surface. Use of non-selfconsistent potentials does not lead to a good quantitative agreement between theory and experiment. |
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