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Novel synthesis of AlN nanowires with controlled diameters

Published online by Cambridge University Press:  31 January 2011

Jun Liu
Affiliation:
Department of Materials Science and Engineering, Tsinghua University, Beijing, 100084, People's Republic of China
X. Zhang*
Affiliation:
Department of Materials Science and Engineering, Tsinghua University, Beijing, 100084, People's Republic of China
Yingjiu Zhang
Affiliation:
Department of Materials Science and Engineering, Tsinghua University, Beijing, 100084, People's Republic of China
Rongrui He
Affiliation:
Department of Materials Science and Engineering, Tsinghua University, Beijing, 100084, People's Republic of China
Jing Zhu
Affiliation:
Department of Materials Science and Engineering, Tsinghua University, Beijing, 100084, People's Republic of China
*
a) Address all correspondence to this author. e-mail: xzzhang@tsinghua.edu.cn
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Abstract

A relatively low-cost, high-efficiency method is reported to synthesize AlN nanowires, using carbon nanotubes as templates. The AlN nanowires were fabricated at 1100 °C, for 60 min. The diameters of the product could be roughly controlled by the sizes of carbon nanotubes selected as starting materials. The AlN nanowires obtained were among the thinnest ever known. X-ray diffraction, selected-area diffraction, energy dispersive spectroscopy, and high-resolution transmission electron microscopy, etc. were employed to characterize the products, which were found to be single crystals with some defects. The axes of the nanowires are normal to {1010} crystal planes. A new synthesis mechanism is proposed.

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Articles
Copyright
Copyright © Materials Research Society 2001

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