Superconducting ceramic composition comprising (Pb,Cd)-Sr-(Y,Q)-

Details Superconducting ceramic composition comprising (Pb,Cd)-Sr-(Y,Q)- Superconducting ceramic composition comprising (Pb,Cd)-Sr-(Y,Q)-

1992-10-20

1994-06-07

Lieberman, Paul

Superconductor technology: apparatus, material, process

High temperature , per se

Copper containing

252521, 505776, 505779, C01F 1102, C01G 302, C01G 1100, H01L 3912

Patent

active

053189493

ABSTRACT:
A superconducting ceramic composition which is free of thallium, the composition having a unit cell containing two perovskite structure copper-oxygen planes and a rocksalt structure layer having a single plane containing cadmium.

REFERENCES:
Rouillon "Superconductivity up to 100K in lead cuprater . . . " Physica C vol. 159 Jun. 1989 pp. 201-209.
Murphy "New Superconducting Cuprite Perovskiter" Phys. Rev. Lett. vol. 58 May 4, 1987 pp. 1888-1890.
Wada "Annealing Effect of high-Tc Superconducting" T(Ba.sub.1-8 Sr.sub.x).sub.2 Cu.sub.3 O.sub.x Jap. Jnl. Appl. Phys. vol. 26(9) Sep. 1987 pp. L1475-1477.
Inoue "Superconductivity in a Ln-Pb-Sr-Ca-Cu-O System" Jap. Jnl. Appl. Physic vol. 28(1) Jan. 1989 pp. L60-62.
JP-3122017 Hibrid Tech. May, 1991 (Abstract).
"Superconductivity at 50K in (Pb0.5Cd0.5) Sr2 (LuxCal-x) Cu20z", Chinese Physics Letters, vol. 9, No. 10, Oct. 1992.
"An Enhancement of Tc, from 45K to 70K, via Cd Substituition in (Pb,Cu) Sr2 (Ca,Y) Cu207-d", Physica C, vol. 195, No. 1 & 2, May 20, 1992, North Holland.
88JP-232640 Okid (English Abstract) (Mar. 23, 1990).
88JP-108185 Fijitsu (English Abstract) (Nov. 8, 1985).
89EP-103557 Grace (English Abstract) (no month/date available).
90JP-268759 Seme (English Abstract) (May 19, 1992).
"Superconductivity" by A. Subramanian, et al., Mat. Res. Bull., vol. 26, pp. 91-95, 1991 (no month available).

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