Substrates suitable for deposition of superconducting thin films

Details Substrates suitable for deposition of superconducting thin films Substrates suitable for deposition of superconducting thin films

1992-02-04

1993-02-23

Ryan, Patrick J.

Stock material or miscellaneous articles

Composite

Of inorganic material

428700, B32B 900

Patent

active

051889064

ABSTRACT:
A superconducting system for the lossless transmission of electrical current comprising a thin film of superconducting material Y.sub.1 Ba.sub.2 Cu.sub.3 O.sub.7-x epitaxially deposited upon a KTaO.sub.3 substrate. The KTaO.sub.3 is an improved substrate over those of the prior art since the it exhibits small lattice constant mismatch and does not chemically react with the superconducting film.

REFERENCES:
patent: 5057484 (1991-10-01), Shiota
Radebaugh et al, Cryogenics, vol. 19(4), pp. 187-208; Apr., 1979.
LeGoves, Philosophical Magazine B, 57(2), 167-177 (1988).

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