Sulfur/Chlorine Adsorption on the Cu(111) Surface.

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  • Ｃｕ（１１１）面上の硫黄／塩素吸着
  • Cu 111 メンジョウ ノ イオウ エンソ キュウチャク

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Abstract

The surface reconstructions of the Cu (111) 1 × 1 surface induced by sulfur and chlorine adsorption have been studied by using the field ion-scanning tunneling microscope. Atomically resolved high-quality STM images were obtained for various phases as a function of coverage, and their structural analysis was carried out. The STM images of the S-related complex phase and the Cu (111) -4√7 × 4√7 R19.1°-Cl phase appeared to be much different from the proposed structures based on earlier LEED studies. Based on our STM data, we proposed a new structural model. The STM results of the Cu (111) -√7 × √7 R19.1°-S phase appeared to be consistent with the structural model derived from the SEXAFS method, and indicates the possibility of formation of the surface compound. The differences between the sulfur and chlorine adsorption systems are discussed.

Journal

  • Shinku

    Shinku 35 (12), 995-1000, 1992

    The Vacuum Society of Japan

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