Method for producing a superconductor of an immiscible alloy and

Details Method for producing a superconductor of an immiscible alloy and Method for producing a superconductor of an immiscible alloy and

1989-02-24

1991-01-15

Lechert, Jr., Stephen J.

Superconductor technology: apparatus, material, process

High temperature , per se

Having tc greater than or equal to 150 k

505805, 505809, 505815, 505823, 419 48, 75234, 75235, H01B 1200

Patent

active

049854011

ABSTRACT:
A superconductor is produced by electric discharge explosion flame spraying of a composite body of constituents of an immiscible alloy. The electrically discharged composite body is deposited on a substrate and the resultant alloy is oxidized to yield an oxide of the alloy having superconductive property. This process can be applied to the Ln-Ba-Cu system (Ln is at least one of the rare earth elements including Y), typically the Y.sub.1 Ba.sub.2 Cu.sub.3 - or Y.sub.2 Ba.sub.4 Cu.sub.8 system, or other immiscible alloy systems such as the Bi-(Ca, Sr)-Cu system to form an oxide thereof.

REFERENCES:
patent: 3752665 (1973-09-01), Roy et al.
patent: 4826808 (1989-05-01), Yurek et al.
Japanese Journal of Applied Physics, "Preparation of a High I.sub.c Superconductor by Oxidation of an Amorphous La Sr Cu Alloy Ribbon in Air", vol. 26, No. 4, 1987.

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