Four-fold hollow site for S in a Ni(100) raft on NiO(100)

A. P. Woodhead, S. P. Harte, S. A. Haycock, C. A. Muryn, P. L. Wincott, V. R. Dhanak, G. Thornton

    Research output: Contribution to journalArticlepeer-review


    The reaction of H2S with NiO(100) has been studied by polarization-dependent surface EXAFS. The results evidence reduction of the selvedge to form a Ni raft having S in four-fold sites with a S-Ni bond length of 2.21±0.02Å. The Ni-Ni in-plane distance is 2.77±0.09Å, representing a 6±4% contraction compared to that in NiO(100).

    Original languageEnglish
    Pages (from-to)L138-L142
    Number of pages5
    JournalSurface Science
    Issue number2-3
    Publication statusPublished - 20 Jan 1999


    • Extended X-ray absorption fine structure (EXAFS)
    • Hydrogen sulphide
    • Low index single crystal surfaces
    • Nickel oxides
    • Surface chemical reaction


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