Anomalous conductance quantization in carbon nanotubes

M. J. Biercuk; N. Mason; J. Martin; A. Yacoby; C. M. Marcus

doi:10.1103/PhysRevLett.94.026801

Anomalous conductance quantization in carbon nanotubes

M. J. Biercuk, N. Mason, J. Martin, A. Yacoby, C. M. Marcus

Research output: Contribution to journal › Article › peer-review

Abstract

Conductance measurements of carbon nanotubes containing gated local depletion regions exhibit plateaus as a function of gate voltage, spaced by approximately 1e²/h, the quantum of conductance for a single (nondegenerate) mode. Plateau structure is investigated as a function of bias voltage, temperature, and magnetic field. We speculate on the origin of this surprising quantization, which appears to lack band and spin degeneracy.

Original language	English (US)
Article number	026801
Journal	Physical review letters
Volume	94
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevLett.94.026801
State	Published - Jan 21 2005
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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