Molecular-scale non-contact AFM studies of ferroelectric organic thin films epitaxially grown on alkali halides

T. Fukuma, K. Kobayashi, K. Noda, K. Ishida, T. Horiuchi, H. Yamada, K. Matsushige

研究成果: Article査読

22 被引用数 (Scopus)

抄録

Epitaxially grown vinylidene fluoride oligomer thin films formed on KCl(0 0 1) surfaces were investigated by ultrahigh vacuum non-contact AFM (UHV-NC-AFM). Molecularly resolved NC-AFM images of organic thin layers on insulating surfaces were successfully obtained for the first time, which revealed the epitaxial growth process on a molecular-scale. It was found that the first monolayer formed on KCl(0 0 1) surface was composed of characteristic honeycomb-like structures while the following upper molecular layers consist of molecular-scale stripe structures. In addition, NC-AFM images of the first monolayer suggest a strong electrostatic interaction between the molecule in the layer and the AFM probe tip.

本文言語English
ページ(範囲)103-108
ページ数6
ジャーナルSurface Science
516
1-2
DOI
出版ステータスPublished - 2002 9 10
外部発表はい

ASJC Scopus subject areas

  • 凝縮系物理学
  • 表面および界面
  • 表面、皮膜および薄膜
  • 材料化学

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