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Elastomeric carbon nanotube circuits for local strain sensing

Maune, Hareem and Bockrath, Marc (2006) Elastomeric carbon nanotube circuits for local strain sensing. Applied Physics Letters, 89 (17). Art. No. 173131. ISSN 0003-6951. doi:10.1063/1.2358821.

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The authors use elastomeric polydimethylsiloxane substrates to strain single-walled carbon nanotubes and modulate their electronic properties, with the aim of developing flexible materials that can sense their local strain. They demonstrate micron-scale nanotube devices that can be cycled repeatedly through strains as high as 20% while providing reproducible local strain transduction via the device resistance. They also compress individual nanotubes and find that they undergo an undulatory distortion with a characteristic spatial period of 100–200 nm, in agreement with continuum elasticity theory. These could potentially be used to create quantum-well superlattices within individual nanotubes, enabling novel devices and applications.

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Additional Information:©2006 American Institute of Physics (Received 27 June 2006; accepted 15 August 2006; published online 27 October 2006) The authors thank ONR and Arrowhead Research Corporation for funding.
Subject Keywords:carbon nanotubes; nanotube devices; electrical resistivity
Issue or Number:17
Record Number:CaltechAUTHORS:MAUapl06b
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:6099
Deposited By: Archive Administrator
Deposited On:17 Nov 2006
Last Modified:08 Nov 2021 20:31

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