Nucleation and growth of Cu clusters on highly oriented pyrolytic graphite observed with an in situ electrochemical scanning tunneling microscope

T. Tanii*, K. Hara, K. Ishibashi, K. Ohta, I. Ohdomari

*この研究の対応する著者

研究成果: Conference article査読

5 被引用数 (Scopus)

抄録

Using an electrochemical scanning tunneling microscope (ECSTM), we have observed nucleation and growth of Cu clusters on highly oriented pyrolytic graphite (HOPG). In situ observations were made at different sample potentials. Firstly, preliminary images were obtained at the sample potential where Cu did not precipitate. Then, we obtained images at the sample potential where Cu deposition was observed. We found superperiodic structures on the top graphite layer and Cu clusters of about 2 nm in diameter formed along the step-edge with a constant interval. The interval between clusters had a same periodicity as that of the superperiodic structure. Namely, the superperiodic structure on the top graphite layer induced nucleation of Cu along the step-edge.

本文言語English
ページ(範囲)662-665
ページ数4
ジャーナルApplied Surface Science
162
DOI
出版ステータスPublished - 2000 8 1
イベント5th International Symposium on Atomically Controlled Surfaces, Interfaces and Nanostructures (ACSIN-5) - Provence, France
継続期間: 1999 7 61999 7 9

ASJC Scopus subject areas

  • 化学 (全般)
  • 凝縮系物理学
  • 物理学および天文学(全般)
  • 表面および界面
  • 表面、皮膜および薄膜

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