Characterization and orientation of adsorbed NO dimers on Ag{111} at low temperatures

W. A. Brown, P. Gardner, M. Perez Jigato, D. A. King

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    Reflection-absorption infrared spectroscopy (RAIRS) and near-edge x-ray absorption fine structure (NEXAFS) have been used, with isotopic 14NO/15NO mixtures, to determine the structure and orientation of the monolayer species formed by NO adsorption on Ag{111} at 40 to 60 K. The adlayer is composed of NO dimers bonded with the N-N axis in the surface plane and with the molecular plane tilted away from the surface normal by about 30°. This structure provides a simple basis for understanding the facile reaction to adsorbed N2O and O which occurs on heating to 70 to 90 K. © 1995 American Institute of Physics.
    Original languageEnglish
    Pages (from-to)7277-7280
    Number of pages3
    JournalJournal of Chemical Physics
    Issue number18
    Publication statusPublished - 1995


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