Abstract
The superconducting transition temperatureT C of the tetragonal phase of a Nb3Sn single crystal was determined calorimetrically to be 17.78±0.02 K. It is suppressed by the application of hydrostatic pressure at a rate of −(1.40±0.05)×10−5 K bar−1. The previous observations of double superconducting transitions in Nb3Sn and other A15 compounds are discussed.
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Research of C.W.C. supported in part by National Science Foundation Grant GH-40866 and by Research Corporation.
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Chu, C.W., Vieland, L.J. The superconducting transition temperature and its high-pressure behavior of tetragonal Nb3Sn. J Low Temp Phys 17, 25–29 (1974). https://doi.org/10.1007/BF00654540
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DOI: https://doi.org/10.1007/BF00654540