Superconducting material

Details Superconducting material Superconducting material

1992-06-15

1993-10-05

Lieberman, Paul

Superconductor technology: apparatus, material, process

High temperature , per se

Having tc greater than or equal to 150 k

252518, 252521, 505776, 505783, C01F 1102, C01F 1100, C01G 302, H01L 3912

Patent

active

052505103

ABSTRACT:
A now superconducting material comprising a compound oxide represented by the general formula:

REFERENCES:
patent: 4870052 (1989-09-01), Engler et al.
patent: 4962083 (1990-10-01), Hermann
Murphy "New Superconducting Cuprate Perovskites" Phys. Rev. Lett. vol. 58 (18) May 4, 1987, pp. 1888-1890.
Hasegawa "High Ic Superconductivity of (La.sub.j-x Sr.sub.x).sub.2 Cu Oy . . . " Jap. Jnl. Appl. Phys. vol. 26 (4) Apr . 1987, pp. L337-L338.
Taraslon "Oxygen and rare-earth doping of . . . YBa.sub.2 Cu.sub.3 O.sub.7-x " Phy. Rev. B vol. 36, No. 1 Jul. 1, 1987, pp. 226-234.
Sheng, Z. Z. et al, "Superconductivity in the Rare-Earth-Free Tl--Ba--Cu--O System Above Liquid Nitrogen Temperature"; Nature, Mar. 3, 1988, pp. 55-58.
Sheng et al, "Bulk Superconductivity at 120K in the Tl--Ca/Ba--Cu--O System" Nature, Mar. 10, 1988, pp. 138-139.
Gao et al, "Bulk Superconductivity in Tl.sub.2 CaBa.sub.2 Cu.sub.2 O up to 120K" Nature, Apr. 14, 1988, pp. 623-624.
Sheng et al, "Superconductivity at 90K in the Tl--Ba--Cu--O System", Phys. Rev. Lett., vol. 60 No. 10, 1988, pp. 937-940.
Hazen et al, "100--K Superconducting Phases in the Tl--Ca--Ba--Cu--O System", Phys. Rev. Lett., vol. 60, No. 16, Apr. 18, 1988, pp. 1657-1660.
Sheng et al, "New 120K Tl--Ba--Ca--Cu--O Superconductor", Appl. Phys. Lett., May 16, 1988, pp. 1738-1740.
Stipp, "Superconductor Patent Is Won By University", The Wall Street Journal, p. B4, May 9, 1990.

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