Two-dimensional crystal growth process of n-alkane molecules observed using scanning tunneling microscope

Kenji Ishida, Seiji Taki, Hirotaka Okabe, Kazumi Matsushige

研究成果: Contribution to journalArticle査読

8 被引用数 (Scopus)

抄録

The growth stages of two-dimensional crystal in an n-alkane molecule (nC33 H68) were investigated using a scanning tunneling microscope (STM) for the samples vacuum-deposited on a graphite substrate. The STM image revealed that the nuclei with a diameter of about 2 nm, which is coincident with the value estimated for the molecules with random conformation, arrange hexagonally in the initial growth stage. It is suggested that further growth was promoted by the increase in the density of the molecules adsorbed on the substrate as well as by their thermal and diffusible motions. Moreover, the mutual relationship between n-alkane molecules and the graphite lattice, namely an epitaxial effect, is discussed with respected to the atomic-resolution STM images.

本文言語英語
ページ(範囲)3846-3851
ページ数6
ジャーナルJapanese journal of applied physics
34
7S
DOI
出版ステータス出版済み - 7 1995

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

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