LEED and STM study of Cs on Cu(211)

M. Caragiu, T L Seyller, R. D. Diehl, A. G. Norris, R. McGrath, C. A. Muryn

    Research output: Contribution to journalArticlepeer-review


    A low-temperature (25 K) STM study of Cs adsorption on Cu(211) indicates that Cs forms variable-density structures which align along the step edges of the Cu(211) surface. The density of the overlayer increases with Cs coverage, forming a quasihexagonal c(2 × 2) structure at a coverage of 0.17. A dynamical LEED study of that structure at 130 K indicates that the Cs atoms are adsorbed on top of the Cu atoms in the center of the terraces, with a Cs-Cu nearest-neighbor distance of 3.56 ± 0.04 Å. This structure is accompanied by a significant rumpling of the Cu(211) surface.

    Original languageEnglish
    Pages (from-to)865-870
    Number of pages6
    JournalSurface Review and Letters
    Issue number5
    Publication statusPublished - 1 Jan 1999


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