The smallest carbon nanotube

Lu-Chang Qin (), Xinluo Zhao, Kaori Hirahara, Yoshiyuki Miyamoto, Yoshinori Ando and Sumio Iijima
Additional contact information
Lu-Chang Qin: JST-ICORP Nanotubulite Project
Xinluo Zhao: JST-ICORP Nanotubulite Project
Kaori Hirahara: JST-ICORP Nanotubulite Project
Yoshiyuki Miyamoto: NEC Corporation
Yoshinori Ando: Meijo University
Sumio Iijima: JST-ICORP Nanotubulite Project

Nature, 2000, vol. 408, issue 6808, 50-50

Abstract: Abstract We report here the discovery of the smallest possible carbon nanotube. This has a diameter of 4 Å, which is the narrowest attainable that can still remain energetically stable, as predicted by theory. These nanotubes are confined inside multiwalled carbon nanotubes and their diameter corresponds to that of a C20 dodecahedron with a single carbon atom at each of its twenty apices. Unlike larger carbon nanotubes, which, depending on their diameter and helicity, can be either metallic or semiconducting, these smallest nanotubes are always metallic.

Date: 2000
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DOI: 10.1038/35040699

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