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SELF-DIFFUSION OF ADATOMS ON Ag,Pt,Au(110) SURFACES

XIANG SONG ZHUANG JUN LIU LEI

SELF-DIFFUSION OF ADATOMS ON Ag,Pt,Au(110) SURFACES

XIANG SONG, ZHUANG JUN, LIU LEI
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  • Received Date:  08 July 1997
  • Published Online:  20 April 1998

SELF-DIFFUSION OF ADATOMS ON Ag,Pt,Au(110) SURFACES

  • 1. 复旦大学物理系,三束材料改性国家重点联合实验室,上海 200433

Abstract: Self-diffusion of adatoms on Ag,Pt,Au(110) surfaces is investigated with the surface embed-ded atom method(SEAM) and molecular dynamics.By quenched molecular dynamics,the static energy variation and the pathway of the atoms for hopping and exchange mechanisms are obtained.The self-diffusion characteristics of these metals are analyzed,and the results show that the diffusion is isotropic on Pt(110) surface but anisotropic on Au,which are in accordance with the observation in experiments.

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