Surface texturing of superconductors by controlled oxygen pressu

Details Surface texturing of superconductors by controlled oxygen pressu Surface texturing of superconductors by controlled oxygen pressu

1996-06-03

1999-01-05

King, Roy V.

Superconductor technology: apparatus, material, process

Processes of producing or treating high temperature...

With melting

505450, 505733, 505500, 505501, 427 62, B05D 512, B05D 302

Patent

active

058562770

ABSTRACT:
A method of manufacture of a textured layer of a high temperature superconductor on a substrate. The method involves providing an untextured high temperature superconductor material having a characteristic ambient pressure peritectic melting point, heating the superconductor to a temperature below the peritectic temperature, establishing a reduced pO.sub.2 atmosphere below ambient pressure causing reduction of the peritectic melting point to a reduced temperature which causes melting from an exposed surface of the superconductor and raising pressure of the reduced pO.sub.2 atmosphere to cause solidification of the molten superconductor in a textured surface layer.

REFERENCES:
Dietderich et al, Jpn. J. Appl. Phys. vol. 29, No. 7, Jul. 1990, pp. L1100-L1103.
Xu et al, Appl. Phys. lett. 55 (21) Nov. 1989, pp. 2236-2238.

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