Structural study of Si(1 1 1)√21 × √21-(Ag + Au) surface by X-ray diffraction

H. Tajiri, K. Sumitani, W. Yashiro, S. Nakatani, T. Takahashi, K. Akimoto, H. Sugiyama, X. Zhang, H. Kawata

研究成果: Article査読

25 被引用数 (Scopus)

抄録

The in-plane structure of Si(1 1 1)√21 × √21-(Ag + Au) surface was studied by using grazing incidence X-ray diffraction method. A total of 72 inequivalent fractional order reflections were obtained. The structural models are investigated including the previously proposed models. It is found that the Ag triangles and Si trimers are induced to displace considerably from the honeycomb chained triangle arrangement by the adsorption of Au atoms. From the analysis, the models with five Au atoms in the unit cell, which have the Au-Au interatomic distance peculiar to the √21 × √21 periodicity, are favored.

本文言語English
ページ(範囲)214-220
ページ数7
ジャーナルSurface Science
493
1-3
DOI
出版ステータスPublished - 2001 11 1
外部発表はい

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

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