TITLE

Electrical characterization of individual carbon nanotubes grown in nanoporous anodic alumina templates

AUTHOR(S)
Wan Young Jang, P.K.; Kulkarni, N.N.; Shih, C.K.; Zhen Yao
PUB. DATE
February 2004
SOURCE
Applied Physics Letters;2/16/2004, Vol. 84 Issue 7, p1177
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We report electrical transport measurements of individual carbon nanotubes grown catalytically in a nanoporous anodic aluminum oxide template by thermal chemical vapor deposition of acetylene. The four-terminal resistance at room temperature scales linearly with the nanotube length indicating diffusive nature of transport. The conductance shows an exp[(-1/T)[sup 1/3]] dependence on temperature T, suggesting that two-dimensional variable-range hopping is the dominant conduction mechanism. The maximum current density carried by these nanotubes is on the order of 10[sup 6] A/cm[sup 2]. © 2004 American Institute of Physics.
ACCESSION #
12202309

 

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