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

Hassel Achim Walter | Zendy; Milenkovic Srdjan | Zendy; Smith Andrew Jonathan | Zendy

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

Author(s) -

Hassel Achim Walter,

Milenkovic Srdjan,

Smith Andrew Jonathan

Publication year - 2010

Publication title -

physica status solidi (a)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.532

H-Index - 104

eISSN - 1862-6319

pISSN - 1862-6300

DOI - 10.1002/pssa.200983319

Subject(s) - tungsten , materials science , nanowire , eutectic system , dissolution , yield (engineering) , nanotechnology , aspect ratio (aeronautics) , homogeneous , nial , nanoscopic scale , alloy , chemical engineering , metallurgy , composite material , intermetallic , physics , engineering , thermodynamics

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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