Bi-Sr-Ca-Cu-O superconducting thin film

Superconductor technology: apparatus – material – process – High temperature devices – systems – apparatus – com- ponents,... – Superconductor next to layer containing nonsuperconducting...

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505701, 428688, 428689, 428699, 428700, 428701, B32B 900

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active

053428269

ABSTRACT:
A Bi-Sr-Ca-Cu-O system superconducting thin film formed on a substrate comprising [110] single crystals of an ABO.sub.3 type oxide having a perovskite structure, in which a (119) face is selectively grown relative to a substrate surface. The film is formed on the substrate by chemical vapor deposition process. A method of manufacturing a BiSrCaCuO system superconducting film in which an a-axis is oriented preferentially relative to the surface of a substrate comprising MgO (100) single crystals, wherein the chemical composition ratio (Sr+Ca+Cu)/Bi of the BiSrCaCuO system superconducting film is made not less than 3.5. A Bi-Sr-Ca-Cu-O system superconducting thin film formed on a substrate comprising MgO [110] single crystals, in which a (110) face is selectively grown to the substrate surface. The film is formed on the substrate by a chemical vapor deposition process.

REFERENCES:
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Superconducting thin films of Y-Ba-Cu-O prepared by metalorganic chemical vapor deposition J. Appl. Phys. 67 (3), 1 Feb. 1990.
Vacuum deposition of multilayer Bi-Ca-Sr-Cu-O superconducting thin films Appl. Phys. Lett. 53(7), 15 Aug. 1988.

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