Large-scale synthesis of tungsten single-crystal microtubes via vapor-deposition process

Wang, Shiliang, He, Yuehui, Liu, Xinli, Zhang, Quan, Zou, Jin, Huang, Han, Song, Min, Huang, Baiyun, Liu, C. T. and Du, Yong (2011) Large-scale synthesis of tungsten single-crystal microtubes via vapor-deposition process. Journal of Crystal Growth, 316 1: 137-144. doi:10.1016/j.jcrysgro.2010.10.222

Author Wang, Shiliang
He, Yuehui
Liu, Xinli
Zhang, Quan
Zou, Jin
Huang, Han
Song, Min
Huang, Baiyun
Liu, C. T.
Du, Yong
Title Large-scale synthesis of tungsten single-crystal microtubes via vapor-deposition process
Journal name Journal of Crystal Growth   Check publisher's open access policy
ISSN 0022-0248
Publication date 2011-02-01
Year available 2010
Sub-type Article (original research)
DOI 10.1016/j.jcrysgro.2010.10.222
Volume 316
Issue 1
Start page 137
End page 144
Total pages 8
Place of publication Amsterdam, Netherlands
Publisher Elsevier
Collection year 2012
Language eng
Formatted abstract
Tungsten microtube arrays were fabricated with a large quantity by using the volatile tungsten oxide hydrate, WO2(OH)2, as tungsten vapor source in the chemical vapor-deposition process. The synthesized tungsten microtubes have a pencil-like shape, with a pyramid root and a hexagonal trunk of a uniform size along the axial direction. The size and the length of the microtubes exhibited to be linearly related to the growth duration, however, the thickness of the tube wall appeared to be not affected by the growth duration. The investigation revealed that the hexagonal microtube was transformed from a hexagonal microrod by stretching out the hexagonal edges of the solid growth end during the vapor growth process. © 2010 Elsevier B.V. All rights reserved.
Keyword Whiskers
Crystal growth
Chemical vapor-deposition processes
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Available online 10 December 2010.

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Created: Thu, 07 Apr 2011, 16:49:41 EST by Professor Han Huang on behalf of Centre for Microscopy and Microanalysis