Superconducting device with C-axis orientation perpendicular to

Details Superconducting device with C-axis orientation perpendicular to Superconducting device with C-axis orientation perpendicular to

1992-03-17

1994-07-05

Hille, Rolf

Superconductor technology: apparatus, material, process

High temperature devices, systems, apparatus, com- ponents,...

Superconductor having metal connect, pad, connect structure,...

257662, 257663, 257 33, 505700, 505703, 505704, 505191, H01B 1200, H01L 3922, H01L 2348

Patent

active

053267451

ABSTRACT:
Superconducting device include a type having a structure of a superconductor--a normal-conductor (or a semiconductor)--a superconductor, and a type having a superconducting weak-link portion between superconductors.
The superconductors constituting the superconducting device are made of an oxide of either of perovskite type and K.sub.2 NiF.sub.4 type crystalline structures, containing at least one element selected from the group consisting of Ba, Sr, Ca, Mg, and Ra; at least one element selected from the group consisting of La, Y, Ce, Sc, Sm, Eu, Er, Gd, Ho, Yb, Nd, Pr, Lu, and Tb; Cu; and O. In addition, the c-axis of the crystal of the superconductor is substantially perpendicular to the direction of current flowing through this superconductor.

REFERENCES:
Bednorz et al, "Possible High-T.sub.c Superconductivity in the Ba-La-Cu-O System", Z. Phys. B, Condensed Matter, vol. 64, 1986, pp. 189-193.
Dinger et al, "Direct Observation of Electronic Anistropy in Single-Crystal Y-Ba-Cu-O", Physical Rev. Lett., vol. 58, #25, Jun. 22, 1987, pp. 2687-2690.
Farrell et al, "Superconducting Properties of Aligned Crystalline Grains of Y-Ba-Cu-O," Physical Review B, vol. 36, #7, Sep. 1, 1987, pp. 4025-4027.

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