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FORMATION OF$\sqrt {21} \times \sqrt {21} $STRUCTURE BY GOLD DEPOSITION ON${\rm{Si}}\left( {111} \right)\sqrt 3 \times \sqrt 3\mbox{-}{\rm{Ag}}$SURFACE AND THE WAVERING BEHAVIOR

Author

Listed:
  • A. ICHIMIYA

    (Department of Applied Physics, Nagoya University, Chikusa-ku, Nagoya, 464–01, Japan)

  • H. NOMURA

    (Department of Applied Physics, Nagoya University, Chikusa-ku, Nagoya, 464–01, Japan)

  • Y. HORIO

    (Department of Applied Physics, Nagoya University, Chikusa-ku, Nagoya, 464–01, Japan)

  • T. SATO

    (JEOL Ltd., Akishima, Tokyo 196, Japan)

  • T. SUEYOSHI

    (JEOL Ltd., Akishima, Tokyo 196, Japan)

  • M. IWATSUKI

    (JEOL Ltd., Akishima, Tokyo 196, Japan)

Abstract

Initial stage of gold deposition on a${\rm{Si}}\left( {111} \right)\sqrt 3 \times \sqrt 3 R30^ \circ \mbox{-}{\rm{Ag}}$surface at room temperature is observed by reflection high-energy electron diffraction (RHEED) and scanning tunneling microscopy (STM). At gold coverage of 0.14 monolayer (ML) (here1 ML=7.8×1014atoms/cm2) a$\sqrt {21} \times \sqrt {21} R\left( { \pm 10.9^ \circ } \right)$structure is formed on the surface. A model of the superstructure is proposed in terms of an embedded arrangement of three gold atoms in the unit cell. Wavering behavior of$\sqrt {21} \times \sqrt {21} $islands formed on the$\sqrt 3 \times \sqrt 3 $structure is found during STM observations.

Suggested Citation

  • A. Ichimiya & H. Nomura & Y. Horio & T. Sato & T. Sueyoshi & M. Iwatsuki, 1994. "FORMATION OF$\sqrt {21} \times \sqrt {21} $STRUCTURE BY GOLD DEPOSITION ON${\rm{Si}}\left( {111} \right)\sqrt 3 \times \sqrt 3\mbox{-}{\rm{Ag}}$SURFACE AND THE WAVERING BEHAVIOR," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 1(01), pages 1-7.
    • Handle: RePEc:wsi:srlxxx:v:01:y:1994:i:01:n:s0218625x94000023
    DOI: 10.1142/S0218625X94000023
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