Boron Nitride Nanotubes

American Association for the Advancement of Science (AAAS) - Tập 269 Số 5226 - Trang 966-967 - 1995
Nasreen G. Chopra1, R.J. Luyken1, K. Cherrey1, Vincent H. Crespi1, Marvin L. Cohen1, Steven G. Louie1, Alex Zettl1
1Department of Physics, University of California, Berkeley, and Materials Sciences Division, Lawrence Berkeley Laboratory, Berkeley, CA 94720, USA.

Tóm tắt

The successful synthesis of pure boron nitride (BN) nanotubes is reported here. Multi-walled tubes with inner diameters on the order of 1 to 3 nanometers and with lengths up to 200 nanometers were produced in a carbon-free plasma discharge between a BN-packed tungsten rod and a cooled copper electrode. Electron energy-loss spectroscopy on individual tubes yielded B:N ratios of approximately 1, which is consistent with theoretical predictions of stable BN tube structures.

Từ khóa


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