Thin-film high Tc superconductor comprising a ferroelectric buff

Details Thin-film high Tc superconductor comprising a ferroelectric buff Thin-film high Tc superconductor comprising a ferroelectric buff

1994-03-25

1995-07-18

King, Roy V.

Superconductor technology: apparatus, material, process

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

Superconductor next to layer containing nonsuperconducting...

505239, 505190, 505702, 428930, 428702, 427 62, H01L 3924, B32B 900

Patent

active

054341264

ABSTRACT:
A thin-film superconductor includes a substrate, a ferroelectric film, and a superconducting oxide film. The ferroelectric film extends on the substrate. The ferroelectric film is made of a crystal contains Bi and O. The superconducting oxide film extends on the ferroelectric film, and containing Bi, Cu, and an alkaline-earth metal element. The superconducting oxide film may contain at least two different alkaline-earth metal elements.

REFERENCES:
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patent: 5155658 (1992-10-01), Inam et al.
Golden et al, "Metalorganic deposition of high critical current thin films in the Bi-Sr-Ca-Cu-O system on {100} LaAlO.sub.3 substrates", Appl. Phys. lett. 61(3) Jul. 1992, pp. 351-353.
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Applied Physics Letters., vol. 54, No. 26, 26 Jun. 1989, New York US, pp. 2719-2721, A. Mogro-Campero et al.
"Possible High Tc Superconductivity in the Ba-La-Cu-O System" by Bendnorz et al.; Z. Phys. B-Condensed Matter 64, 189-193 (1986).
"A New High-Tc Oxide Superconductor without a Rare Earth Element" by Maeda et al; Japanese Journal of Applied Physics, vol. 27, No. 2, Feb., 1988; pp. L 209 and L 210.

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