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Flow driven electronic transport in carbon nan otubes

Sood, AK and Ghosh, Shankar and Kumar, N (2005) Flow driven electronic transport in carbon nan otubes. In: International Conference on Nanoscience and Technology, DEC 17-20, 2003, Culcutta, pp. 839-848.

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Official URL: http://ejournals.worldscientific.com.sg/ijn/04/040...

Abstract

The flow of a liquid on single-walled carbon nanotube bundles induces an electrical signal (voltage/current) in the sample along the direction of the flow. The electrical response is found to be logarithmic in the flow speed over a wide range. The magnitude of the flow induced electrical signal generated depends sensitively on the ionic conductivity and the polar nature of the liquid, and electrical biasing of the nanotubes can control its direction. Our measurements suggest that the dominant mechanism responsible for this highly sub-linear response should involve a direct forcing of the free charge carriers in the nanotubes by the fluctuating Coulombic field of the liquid flowing past it.

Item Type: Conference Paper
Additional Information: Copyright of this article belongs to World Scientific Publishing Company.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 04 Jun 2010 09:55
Last Modified: 04 Jun 2010 09:55
URI: http://eprints.iisc.ernet.in/id/eprint/27594

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