Following local adsorption sites through a surface chemical reaction: CH3SH on Cu(111) |
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Authors: | Jackson Woodruff Jones Singh Chan Cowie Formoso |
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Institution: | Physics Department, University of Warwick, Coventry CV4 7AL, United Kingdom. |
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Abstract: | Studying the interaction of CH3SH, methanethiol, with Cu(111) as a model system, we demonstrate the ability of chemical-shift normal incidence x-ray standing wave field measurements to identify the local adsorption geometries of coadsorbed reaction products at different temperatures, a technical problem of broad chemical significance. In the present case the local geometries of four distinct S-containing adsorbate species (intact CH3SH, two thiolate (CH3S-) reaction intermediates and atomic S) are determined. |
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