Abstract
It is well known that some of the high-transition-temperature superconductors with β-W structure exhibit lattice instability and transform martensitically from the cubic to the tetragonal structure.1,2 In our recent low-temperature heat capacity measurements of V3Si,3 distinct superconducting transitions corresponding to both the cubic and tetragonal phases were observed whenever the transformation occurred. Reported in this communication are similar observations on Nb3Sn and related compounds.
Supported by the U.S. Atomic Energy Commission under contract AT(04-3)-34.
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© 1974 Springer Science+Business Media New York
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Viswanathan, R., Luo, H.L., Vieland, L.J. (1974). Low-Temperature Heat Capacity of Nb3Sn. In: Timmerhaus, K.D., O’Sullivan, W.J., Hammel, E.F. (eds) Low Temperature Physics-LT 13. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-2688-5_95
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DOI: https://doi.org/10.1007/978-1-4684-2688-5_95
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