Superconductivity of Ni2NbX (X=Al, Ga and Sn)
1985 年 54 巻 5 号 p. 1673-1676
詳細
1985 年 54 巻 5 号 p. 1673-1676
Superconductivity are reported for three ternary compounds with Heusler type structure Ni2NbX (X=Al, Ga, Sn). Critical temperatures up to 2.9 K are observed from the electrical resistivity and the specific heat measurement. Electron-phonon coupling constants calculated using McMillan’s formula indicate that these compounds are intermediate-coupled superconductors.
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