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Science 14 August 1998:
Vol. 281. no. 5379, pp. 973 - 975
DOI: 10.1126/science.281.5379.973
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Reports
Coaxial Nanocable: Silicon Carbide and Silicon Oxide Sheathed with Boron Nitride and Carbon
Y. Zhang,
*
K. Suenaga,
C. Colliex,
S. Iijima
Multielement nanotubes comprising multiple phases, with diameters
of a few tens of nanometers and lengths up to 50 micrometers, were
successfully synthesized by means of reactive laser ablation. The
experimentally determined structure consists of a  -phase silicon
carbide core, an amorphous silicon oxide intermediate layer, and
graphitic outer shells made of boron nitride and carbon layers
separated in the radial direction. The structure resembles a coaxial
nanocable with a semiconductor-insulator-metal (or
semiconductor-insulator-semiconductor) geometry and suggests
applications in nanoscale electronic devices that take advantage of
this self-organization mechanism for multielement nanotube formation.
Y. Zhang, Fundamental Research Laboratories, NEC Corporation, 34 Miyukigaoka, Tsukuba, Ibaraki 305-8501, Japan. K. Suenaga, Laboratoire
de Physique des Solides, URA 002, Université de Paris-Sud,
Bâtiment 510, 91405 Orsay, France, and Japan Science and
Technology, Department of Physics, Meijo University, Nagoya 468-8502, Japan. C. Colliex, Laboratoire de Physique des Solides, URA 002, Université de Paris-Sud, Bâtiment 510, 91405 Orsay, France.
S. Iijima, Fundamental Research Laboratories, NEC Corporation, 34 Miyukigaoka, Tsukuba, Ibaraki 305-8501, Japan, and Japan and Science
Technology, Department of Physics, Meijo University, Nagoya 468-8502, Japan.
*
To whom correspondence should be addressed. E-mail:
zhang{at}frl.cl.nec.co.jp
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THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
- Synthesis and microstructure of Cd4SiS6/Si composite nanowires.
- J. Zhan, Y. Bando, J. Hu, and D. Golberg (2005)
J. Electron Microsc. (Tokyo)
54, 485-491
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