Superconducting layers of V3Ga are formed at the interface of solid state V-(Cu, Ga) diffusion couples during heat treatment. Growth of diffusion layers has been investigated as function of temperature, time, and composition of the copper-gallium alloy. Beyond that we report on deformability and recrystallization behaviour of (Cu, Ga) as well as on electrical properties of filamentary V3Ga composite wires.
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E. Springer (1972) studied this question.