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Do Carbon Nanotubes Spin When Bundled?

Published online by Cambridge University Press:  31 January 2011

Young-Kyun Kwon ,
David Tománek ,
Young Hee Lee ,
Kee Hag Lee  and
Susumu Saito
Young-Kyun Kwon
Affiliation:
Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824–1116
David Tománek
Affiliation:
Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824–1116
Young Hee Lee
Affiliation:
Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824–1116, and Department of Physics and Semiconductor Physics Research Center, Jeonbuk National University, Jeonju 561–756, Korea
Kee Hag Lee
Affiliation:
Department of Physics, Tokyo Institute of Technology, 1–12–1 Oh-okayama, Meguro-ku, Tokyo 152, Japan
Susumu Saito
Affiliation:
Department of Physics, Tokyo Institute of Technology, 1–12–1 Oh-okayama, Meguro-ku, Tokyo 152, Japan
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Abstract

Using ab initio and parametrized techniques, we determine the equilibrium structure of an ordered “bundle” of (10,10) carbon nanotubes. Because of small intertube interaction and lattice frustration, we predict a very soft libration mode to occur at v ≈ 12 cm−1. This mode is predicted to disappear above the orientational melting temperature which marks the onset of free tube rotations about their axis. We discuss the effect of the weak intertube coupling and orientational disorder on the electronic structure near the Fermi level.

Type
Articles
Information
Journal of Materials Research , Volume 13 , Issue 9 , September 1998 , pp. 2363 - 2367
Copyright
Copyright © Materials Research Society 1998

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