Superconductivity in Tungsten-Carbide Nanowires Deposited from the Mixtures of W(CO)
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概要
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Tungsten-carbide (W-C) nanowires have been deposited by focused-ion-beam chemical vapor deposition (FIB-CVD). Mixtures of C<inf>14</inf>H<inf>10</inf>and W(CO)<inf>6</inf>are used as precursors. For certain precursor ratios, our nanowires become superconducting with a T_{\text{c}} as high as 5.8 K. Also, freestanding W-C nano pillars were grown by FIB-CVD. The growth rate of the deposition from the mixture is at most 4.25 times higher than W(CO)<inf>6</inf>is used as the precursor. This growth rate greatly facilitates the fabrication of three-dimensional superconducting structures.
- 2013-07-25
著者
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YAMAGUCHI Hiroshi
NTT Basic Research Laboratories
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ONOMITSU Koji
NTT Basic Research Laboratories
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Kometani Reo
Graduate School Of Engineering The University Of Tokyo
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Ishihara Sunao
Graduate School Of Engineering The University Of Tokyo
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Krockenberger Yoshiharu
Ntt Basic Research Laboratories Ntt Corporation
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Krockenberger Yoshiharu
NTT Basic Research Laboratories, Nippon Telegraph and Telephone Corporation, Atsugi, Kanagawa 243-0198, Japan
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Dai Jun
Graduate School of Engineering, University of Tokyo, Bunkyo, Tokyo 113-8656, Japan
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Kometani Reo
Graduate School of Engineering, University of Tokyo, Bunkyo, Tokyo 113-8656, Japan
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