Superconducting properties of Nb3(Sn1−xGax) by a solid-state diffusion process
- 15 June 1976
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 28 (12) , 738-740
- https://doi.org/10.1063/1.88635
Abstract
Monofilament Nb3(Sn1−xGax) wires were made by heat treating composites consisting of pure Nb, (Nb–1 wt% Zr), or (Nb–0.7 wt% Ga) in various Cu‐Sn‐Ga alloys matrices. Superconducting critical temperatures Tc and critical current densities Jc(H), up to 18 T were measured for these wires. In several samples both Tc and high‐field critical current densities for the Nb3(Sn1−xGax) compounds were found to exceed pure Nb3Sn. The upper critical field, Hc2, also appeared to be substantially higher than for similarly produced Nb3Sn.Keywords
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