Single-walled carbon nanotubes (SWCNTs) and multi-walled carbon nanotubes (MWCNTs) are complement to each other in many of their physical properties. We report the synthesis of carbon nanotube cables-a form of compound single- and multi-walled carbon nanotubes which could have the superior properties of both the SWCNTs and MWCNTs. This compound form of carbon nanotubes consists of a bundle of SWCNTs formed into a MWCNT, and the diameter of the inner most shell of the MWCNT ranges from a few to tens nanometers. The growth of these compound carbon nanotubes cannot be explained readily via existing modes of carbon nanotube growth, but promises a new way for improving and controlling the physical properties of either single- or multi-walled carbon nanotubes. (C) 2003 Elsevier B.V. All rights reserved.
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Univ Tokyo, Dept Chem Syst Engn, Sch Engn, Bunkyo Ku, Tokyo 1138656, JapanUniv Tokyo, Dept Chem Syst Engn, Sch Engn, Bunkyo Ku, Tokyo 1138656, Japan
Kakehi, Kazunori
Noda, Suguru
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Univ Tokyo, Dept Chem Syst Engn, Sch Engn, Bunkyo Ku, Tokyo 1138656, JapanUniv Tokyo, Dept Chem Syst Engn, Sch Engn, Bunkyo Ku, Tokyo 1138656, Japan
Noda, Suguru
Maruyama, Shigeo
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Univ Tokyo, Dept Mech Engn, Sch Engn, Bunkyo Ku, Tokyo 1138656, JapanUniv Tokyo, Dept Chem Syst Engn, Sch Engn, Bunkyo Ku, Tokyo 1138656, Japan
Maruyama, Shigeo
Yamaguchi, Yukio
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Univ Tokyo, Dept Chem Syst Engn, Sch Engn, Bunkyo Ku, Tokyo 1138656, JapanUniv Tokyo, Dept Chem Syst Engn, Sch Engn, Bunkyo Ku, Tokyo 1138656, Japan
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Univ Fed Rio Grande do Sul, Dept Mat Engn, BR-90035190 Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Dept Mat Engn, BR-90035190 Porto Alegre, RS, Brazil
Bonadiman, R.
Lima, M. D.
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Univ Fed Rio Grande do Sul, Dept Mat Engn, BR-90035190 Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Dept Mat Engn, BR-90035190 Porto Alegre, RS, Brazil
Lima, M. D.
de Andrade, M. J.
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Univ Fed Rio Grande do Sul, Dept Mat Engn, BR-90035190 Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Dept Mat Engn, BR-90035190 Porto Alegre, RS, Brazil
de Andrade, M. J.
Bergmann, C. P.
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Univ Fed Rio Grande do Sul, Dept Mat Engn, BR-90035190 Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Dept Mat Engn, BR-90035190 Porto Alegre, RS, Brazil