Superconductor

Details Superconductor Superconductor

1988-07-22

1997-08-26

Ryan, Patrick J.

Superconductor technology: apparatus, material, process

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

Superconductor next to two or more nonsuperconductive layers

505701, 505702, 505703, 505704, 505236, 428426, 428432, 428433, 428457, 428688, 428700, 428701, 428901, 428930, B32B 900

Patent

active

056611129

ABSTRACT:
Excellent films of a high Tc superconductor are easily produced on metal coated substrates at a temperature below 700.degree. C. These metal buffer films are made of Pt, Au, Ag, Pd, Ni or Ti. The film superconductivity is significantly improved by the metal buffer layer. Since it is easy to form this metal coating on a substrate, the invention can increase the potential number of usable substrates such as fibers, amorphous solids or semiconductors.

REFERENCES:
patent: 4826808 (1989-05-01), Yurek et al.
Interface Formation; Flandermayer et al, Amer. Inst. Physics, Conf. Proc. No. 165, Anaheim, CA 1987.
Effect of noble metal buffer layers, Chien et al, Appl. Phys. Letts 51(25) Dec. 21, 1987.
Spectroscopic Evidence, Meyer et al, Aug. 3, 1987, Appl. Phys. Letts, 51(14), Oct. 5, 1987.
Thermal Spraying, Kirkland et al, Advanced Ceramic Matls., vol. 2, No. 3B, Spec. Iss. 1987.
High Temperature Superconducting Thin Films, Singh et al, AIP, 1988 pp. 211-220 (Nov. 6, 1987).
Use of High Temperature Superconductors, Biegel et al, Met. Res. Soc. Symp Proc. vol. 99 Dec. 4, 1987.
The Application of SC Ceramics as Substrates, Jap. Journ. Appl. Phys, vol. 26, No. 11, (Nov. 1987) pp. L1842-L1844.
Ferroelectrics, vol. 63, No. 1-4, 1985, pp. 227-234, New York, US; T. Shiosaki et al: "Properties of Sputter-Deposited PbT103, Pb(Zr,T1)03, Pb2KNb5015 Films", Abstract, pp. 229-231.
Applied Physics Letters, vol. 53, No. 2, 11 Jul. 1988, pp. 148-150, New York, US; S. Hatta et al.: "Pt-Coated Substrate Effect on Oxide Superconductive Films in Low-Temperature Processing", p. 148.
Applied Physics Letters, vol. 51, No. 26, 21 Dec. 1987, pp. 2155-2157 New York, US; C.L. Chien et al.: "Effect of noble metal buffer layers on superconducting YBa2Cu307 thin films".

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