Rare earth oxide superconducting material and process for produc

Details Rare earth oxide superconducting material and process for produc Rare earth oxide superconducting material and process for produc

1994-06-08

1995-07-18

Bell, Mark L.

Superconductor technology: apparatus, material, process

High temperature , per se

Copper containing

505450, 505781, 505785, 505125, 264 56, 232521, 232518, 301152, 301123, C04B 3543, H01B 1200

Patent

active

054341256

ABSTRACT:
A rare earth oxide superconducting material represented by REBa.sub.2 2Cu.sub.3 O.sub.y (RE is Y, Gd, Dy, Ito, Er or Yb), comprises oxide grains and at least one element selected from Rh and Pt, uniformly dispersed in the grain in a proportion of 0.01-5% by weight (in terms of element) based on the rare earth oxide superconducting material. The rare earth oxide superconducting material can be produced by a melt processing and gives a high critical current density even in a highly magnetic field.

REFERENCES:
Morita et al, "Effect of Platinum Addition on Melt Processed Yttrium Borrin Copper Oxide Superconductors" Jap. Joun. Apply. Phys. Part 2, 30(5A) pp. 2813-2815 May 1991.
Tiefel et al "Recovery of High-Te Superconductivity in Y-Ba-Cu-O Dope With Reacting Metals", Physica C 166 pp. 408-412, 1990 no month.
Patent Abstracts of Japan vol. 13, No. 268 May 16, 1989.
Patent Abstracts of Japan, vol. 13, No. 208, May 16, 1989.
World Patents Index Latest, Week 8931, Derwent Publications Ltd., London, GB; AN 89-224375. No month (1989).
World Patents Index Latest, Week 8916, Derwent Publications Ltd., London, GB; AN 89-117172. No month (1989).

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