Superconducting device having superconducting weak coupling

Superconductor technology: apparatus – material – process – High temperature devices – systems – apparatus – com- ponents,... – Semiconductor thin film device or thin film electric...

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505702, 505700, 257 31, 257 32, 257 33, 257 34, H01B 1200, H01L 2906, H01L 3922

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active

053345800

ABSTRACT:
A superconducting device has a structure of superconductor - normal-conductor (semiconductor) - superconductor. The superconductors constituting the superconducting device are made of a superconducting oxide material of K.sub.2 NiF.sub.4 type crystal-line structure or perovskite type crystalline structure which contains 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.

REFERENCES:
patent: 5232905 (1993-08-01), Nishino et al.
IEEE Transactions on Magnetics, vol. MAG-21, No. 2, Mar. 1985, "Study of preparation techniques for a practical Microbridge dc-SQUID structure fabricated from Nb.sub.3 Ge" by Rogalla et al., pp. 536-538.
J. Appl. Phys. 52(12), Dec. 1981, "Superconductor-normal-superconductor microbridges: Fabrication, electrical behavior, and modeling" by van Dover et al., pp. 7327-7343.
J. Appl. Phys. 51(5), May 1980, "Feasibility of hybrid Josephson field effect transistors", by Clark et al., pp. 2736-2743

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