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

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Author(s)

  • Shiliang Wang
  • Yuehui He
  • Xinli Liu
  • Quan Zhang
  • Jin Zou
  • Han Huang
  • Min Song
  • Baiyun Huang
  • Yong Du

Detail(s)

Original languageEnglish
Pages (from-to)137-144
Journal / PublicationJournal of Crystal Growth
Volume316
Issue number1
Publication statusPublished - 1 Feb 2011
Externally publishedYes

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.

Research Area(s)

  • A1. Whiskers, A2. Crystal growth, A3. Chemical vapor-deposition processes, B1. Tungsten

Citation Format(s)

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.; Du, Yong.

In: Journal of Crystal Growth, Vol. 316, No. 1, 01.02.2011, p. 137-144.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review