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Charge pumping in carbon nanotubes.

Leek, PJ; Buitelaar, MR; Talyanskii, VI; Smith, CG; Anderson, D; Jones, GA; Wei, J; (2005) Charge pumping in carbon nanotubes. Phys Rev Lett , 95 (25) , Article 256802. 10.1103/PhysRevLett.95.256802. Green open access


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We demonstrate charge pumping in semiconducting carbon nanotubes by a traveling potential wave. From the observation of pumping in the nanotube insulating state we deduce that transport occurs by packets of charge being carried along by the wave. By tuning the potential of a side gate, transport of either electron or hole packets can be realized. Prospects for the realization of nanotube based single-electron pumps are discussed.

Type: Article
Title: Charge pumping in carbon nanotubes.
Location: United States
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.95.256802
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.95.256802
Language: English
Additional information: © 2005 The American Physical Society
URI: http://discovery.ucl.ac.uk/id/eprint/1366983
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