Scanning tunneling microscopy image of transition-metal-dichalcogenide surfaces

Katsuyoshi Kobayashi, Jun Yamauchi

研究成果: Article査読

4 被引用数 (Scopus)

抄録

Scanning tunneling microscopy (STM) images of transition-metal-dichalcogenide (TMD) surfaces are studied theoretically. First, STM images of the MoS2 surface are calculated by the first-principles method with a plane-wave basis, where it has not been settled whether the first or second layer is observed in STM. It is determined theoretically that the bright spots observed in the experimental STM images correspond to the S atoms of the outermost layer. Second, the superstructures observed in the STM images of the heteroepitaxial TMDs such as the MoSe2/MoS2 surface are investigated. It is found that the effect of the atomic displacement is an important factor in explaining the features of the superstructures.

本文言語English
ページ(範囲)317-321
ページ数5
ジャーナルSurface Science
357-358
DOI
出版ステータスPublished - 1996 6 20
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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