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LEED AND STM STUDY OF CsON Cu(211)

Author

Listed:
  • M. CARAGIU

    (Physics Department, Penn State University, University Park, PA 16802, USA)

  • TL. SEYLLER

    (Physics Department, Penn State University, University Park, PA 16802, USA)

  • R. D. DIEHL

    (Physics Department, Penn State University, University Park, PA 16802, USA)

  • A. G. NORRIS

    (Surface Science Centre, University of Liverpool, Liverpool, L69 3BX, UK)

  • R. McGRATH

    (Surface Science Centre, University of Liverpool, Liverpool, L69 3BX, UK)

  • C. A. MURYN

    (Chemistry Department, University of Manchester, Manchester, M13 9PL, UK)

Abstract

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 of3.56± 0.04Å. This structure is accompanied by a significant rumpling of the Cu(211) surface.

Suggested Citation

  • M. CARAGIU & TL. SEYLLER & R. D. DIEHL & A. G. NORRIS & R. McGRATH & C. A. MURYN, 1999. "LEED AND STM STUDY OF CsON Cu(211)," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 6(05), pages 865-870.
    • Handle: RePEc:wsi:srlxxx:v:06:y:1999:i:05:n:s0218625x99000925
    DOI: 10.1142/S0218625X99000925
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