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Twisting of Single-Walled Carbon Nanotube Bundles

Published online by Cambridge University Press:  10 February 2011

Lu-Chang Qin  and
Sumio Iijima
Lu-Chang Qin
Affiliation:
JST-ICORP Nanotubulite Project c/o NEC Corporation, 34 Miyukigaoka, Tsukuba 305-8501, Japan
Sumio Iijima
Affiliation:
JST-ICORP Nanotubulite Project c/o NEC Corporation, 34 Miyukigaoka, Tsukuba 305-8501, Japan
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Abstract

Bundles of single-walled carbon nanotubes produced by laser ablation are often seen twisted in morphology, forming nanoropes which would better suit the function for improvement of structural stability in mechanical applications. The rope-like configuration is explained with a model that relates the twisting morphology to the helicity difference between the neighboring nanotubes. This selfassembly phenomenon is attributed to the fact that a twisted structure has lower total energy compared with the raft-like parallel bundles when the helicities of neighboring nanotubes are different.

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Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 593: Symposium U – Amorphous & Nanostructured Carbon , 1999 , 33
Copyright
Copyright © Materials Research Society 2000

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References

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