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Large scale synthesis of single crystalline tungsten nanowires with extreme aspect ratios

✍ Scribed by Achim Walter Hassel; Srdjan Milenkovic; Andrew Jonathan Smith

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
725 KB
Volume
207
Category
Article
ISSN
0031-8965

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✦ Synopsis

Abstract

One gram of tungsten nanowires – equivalent to 5 billion single wires – was produced by electrochemically processing a directionally solidified eutectic NiAl‐W alloy. Their release is realised by selective dissolution of the matrix with a yield beyond 98%. The nanowires are single crystals, homogeneous in diameter, and have extremely high aspect‐ratios (>1000!). A multitude of potential applications are feasible – including sensing, probing, and high temperature nanotechnology.
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