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Plastic deformations in mechanically strained single-walled carbon nanotubes

Bozovic, Dolores and Bockrath, M. and Hafner, Jason H. and Lieber, Charles M. and Park, Hongkun and Tinkham, M. (2003) Plastic deformations in mechanically strained single-walled carbon nanotubes. Physical Review B, 67 (3). Art. No. 033407. ISSN 0163-1829. doi:10.1103/PhysRevB.67.033407.

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Antiferromagnetic manipulation was used to controllably stretch individual metallic single-walled carbon nanotubes (SWNT's). We have found that SWNT's can sustain elongations as great as 30% without breaking. Scanned gate microscopy and transport measurements were used to probe the effects of the mechanical strain on the SWNT electronic properties, which revealed a strain-induced increase in intra-tube electronic scattering above a threshold strain of ~5–10 %. These findings are consistent with theoretical calculations predicting the onset of plastic deformation and defect formation in carbon nanotubes.

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Park, Hongkun0000-0001-9576-8829
Additional Information:©2003 The American Physical Society (Received 9 October 2002; published 22 January 2003) This research was supported in part by NSF Grant Nos. DMR-0072618 and PHY-0117795.
Subject Keywords:carbon nanotubes; atomic force microscopy; plastic deformation; antiferromagnetic materials
Issue or Number:3
Record Number:CaltechAUTHORS:BOZprb03
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:4567
Deposited By: Archive Administrator
Deposited On:29 Aug 2006
Last Modified:08 Nov 2021 20:18

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