Use of barium copper oxide compounds as high critical temperatur

Details Use of barium copper oxide compounds as high critical temperatur Use of barium copper oxide compounds as high critical temperatur

1993-02-11

1998-03-31

Sough, Hyung S.

Electricity: conductors and insulators

Conduits, cables or conductors

Superconductors

505125, 505775, H01B 1200

Patent

active

057341273

ABSTRACT:
A new use as high critical temperature superconductors, of a known family of partially oxidized bi-metal compounds in which the two metals are copper and barium. These compounds become superconductive at least at a temperature higher than 5.degree. K. but less than or equal to 77.degree. K., when oxygen vacancies are located symmetrically with respect to the axes of their lattice structure.

REFERENCES:
patent: 4892862 (1990-01-01), Ogushi et al.
Rao et al. "Superconductivity Studies on the High T.sub.c Phase in the Y-Ba-Cu-O System", Jap. J. Appl. Phys., vol. 26 (1987), Supplement 26-3, pp. 1077-1078.
Leeuw, "Structure and Conductivity of Copper Oxide Based Compounds*, 1989, European Materials Research Society Symposia Proceedings." pp. 95-107.
Kovacs et al. "Structure and Superconductivity of Variously Prepared T1-Ca-Ba-Cu-O Compounds", 1989 European Materials Research Society Symposta Proceedings 6A, pp. 229-240.

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