Metallic conductivity in bamboo-shaped multiwalled carbon nanotubes

J. W. Jang, D. K. Lee, C. E. Lee, T. J. Lee, C. J. Lee, S. J. Noh

Research output: Contribution to journalArticlepeer-review

45 Citations (Scopus)

Abstract

Temperature-dependent resistivity measurements were carried out on bamboo-shaped multiwalled carbon nanotubes (MWNTs) grown by thermal chemical vapor deposition. They were deposited on Al2O3/Ti and SiO2/Ti substrates using cobalt and iron catalysts, respectively. As a result, a metallic conductivity, i.e. resistivities with a positive temperature slope, was observed for the MWNTs grown on the SiO2/Ti substrates. The different temperature behaviors of the resistivity for the MWNTs grown on different substrates are discussed in view of the substrate morphology and crystallinity.

Original languageEnglish
Pages (from-to)619-622
Number of pages4
JournalSolid State Communications
Volume122
Issue number11
DOIs
Publication statusPublished - 2002 Jun

Keywords

  • A. Carbon nanotubes
  • B. Thermal chemical vapor deposition
  • C. Scanning and transmission electron microscopy
  • D. Electronic transport

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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