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

Kenji Ishida, Seiji Taki, Hirotaka Okabe, Kazumi Matsushige

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)3846-3851
Number of pages6
JournalJapanese Journal of Applied Physics
Volume34
Issue number7S
DOIs
Publication statusPublished - Jan 1 1995

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Crystal growth
Paraffins
alkanes
crystal growth
Microscopes
microscopes
Scanning
Molecules
scanning
molecules
Graphite
graphite
Substrates
Conformations
Vacuum
vacuum
Crystals
nuclei
crystals

All Science Journal Classification (ASJC) codes

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

Cite this

Two-dimensional crystal growth process of n-alkane molecules observed using scanning tunneling microscope. / Ishida, Kenji; Taki, Seiji; Okabe, Hirotaka; Matsushige, Kazumi.

In: Japanese Journal of Applied Physics, Vol. 34, No. 7S, 01.01.1995, p. 3846-3851.

Research output: Contribution to journalArticle

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