Growth of single-crystalline tungsten nanowires by an alloy-catalyzed method at 850 degrees C

Wang, S.L., He, Y.H., Xu, J., Jiang, Y., Huang, B.Y., Zou, J., Wang, Y., Liu, C.T. and Liaw, P. K. (2008) Growth of single-crystalline tungsten nanowires by an alloy-catalyzed method at 850 degrees C. Journal of Materials Research, 23 1: 72-77. doi:10.1557/JMR.2008.0033


Author Wang, S.L.
He, Y.H.
Xu, J.
Jiang, Y.
Huang, B.Y.
Zou, J.
Wang, Y.
Liu, C.T.
Liaw, P. K.
Title Growth of single-crystalline tungsten nanowires by an alloy-catalyzed method at 850 degrees C
Journal name Journal of Materials Research   Check publisher's open access policy
ISSN 0884-2914
Publication date 2008-01-01
Year available 2008
Sub-type Article (original research)
DOI 10.1557/JMR.2008.0033
Open Access Status
Volume 23
Issue 1
Start page 72
End page 77
Total pages 6
Editor Pike, G.E.
Place of publication United States
Publisher Materials Research Society
Language eng
Subject 291400 Materials Engineering
C1
970102 Expanding Knowledge in the Physical Sciences
100708 Nanomaterials
Abstract In this study, we report the growth of metallic tungsten nanowires induced by alloy catalysts (Fe-Ni) at a temperature of 850 degrees C. The synthesized tungsten nanowires have bottom diameters of 100 to 400 nm and tip diameters of <80 nm, and show a well-defined single-crystalline structure. The formation of the (Fe,Ni)-catalyzed W nanowires should be controlled by the vapor-solid-solid mechanism, rather than the traditional vapor-liquid-solid mechanism, because the growth temperature is significantly below the lowest eutectic temperature (1455 degrees C) of the Fe-Ni-W ternary system. Our study demonstrates the feasibility of synthesizing metallic nanowires via metal-catalyzed methods, which may be extended to the synthesis of some other metallic nanowires.
Keyword Materials Science, Multidisciplinary
Materials Science
MATERIALS SCIENCE, MULTIDISCIPLINARY
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: 2009 Higher Education Research Data Collection
School of Mechanical & Mining Engineering Publications
 
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Created: Wed, 25 Mar 2009, 20:35:58 EST by Sally Beard on behalf of Materials