One-dimensional transport in bundles of single-walled carbon nanotubes

Details One-dimensional transport in bundles of single-walled carbon nanotubes One-dimensional transport in bundles of single-walled carbon nanotubes

1999-04-13

arxiv.org/abs/cond-mat/9904179v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages latex including 3 figures, for proceedings of IWEPNM 99 (Kirchberg)

Scientific paper

10.1063/1.59816

We report measurements of the temperature and gate voltage dependence for individual bundles (ropes) of single-walled nanotubes. When the conductance is less than about e^2/h at room temperature, it is found to decrease as an approximate power law of temperature down to the region where Coulomb blockade sets in. The power-law exponents are consistent with those expected for electron tunneling into a Luttinger liquid. When the conductance is greater than e^2/h at room temperature, it changes much more slowly at high temperatures, but eventually develops very large fluctuations as a function of gate voltage when sufficiently cold. We discuss the interpretation of these results in terms of transport through a Luttinger liquid.

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