Metallic oxide with boron and process for manufacturing the same

Details Metallic oxide with boron and process for manufacturing the same Metallic oxide with boron and process for manufacturing the same

1994-08-30

1996-04-30

McGinty, Douglas J.

Superconductor technology: apparatus, material, process

High temperature , per se

Copper containing

505126, 505777, 505779, 505780, 505500, 505778, 252521, 501 98, 501123, 501152, 501 50, H01B 1200, C04B 3545, C04B 3550, C01B 3512

Patent

active

055125425

ABSTRACT:
A novel metallic oxide of a Ln-Ca-Sr-Ba-Cu-B-O type and a process for manufacturing such a metallic oxide. The above metallic oxide has a composition expressed by the following formula (I):

REFERENCES:
D. C. Johnston, et al., "High Temperature Superconductivity In the Li-Ti-O Ternary System", Mat. Res. Bull., vol. 8, No. 7, pp. 777-784, 1973.
A. W. Sleight, et al., "High-Temperature Superconductivity In the BaPb.sub.1-x Bi.sub.x O.sub.3 System", Solid State Comm. vol. 17, pp. 27-28, 1975.
J. G. Bednorz, et al., "Possible High T.sub.c Superconductivity in the Ba-La-Cu-O System", Z. Phys.B.-Cond. Matter, vol. 64, pp. 189-193 (1986) (Sep.).
M. K. Wu, et al., "Superconductivity at 93K in a New Mixed-Phase Y-Ba-Cu-O Compound System at Ambient Pressure", Phys. Rev. Ltrs., vol. 58, No. 9, pp. 908-912 (Mar. 1987).
W. J. Zhu, et al., "(B,Cu)Sr.sub.2 YCu.sub.2 O.sub.7, a new layered copper-oxide based on the boron-oxygen group", Physica C 205, pp. 118-122 (1993).
I. Amato, "New Superconductors: A Slow Dawn". Science, vol. 259, pp. 306-308 (Jan. 1993).
Database WPI, Week 9246, Derwent Publ., AN 92-376638, based on JPA-4275972.
Database WPI, Week 8914, Derwent Publ., AN 89-104077, based on JPA-1051322.

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