Method of forming Hg-containing oxide superconducting films

Details Method of forming Hg-containing oxide superconducting films Method of forming Hg-containing oxide superconducting films

1994-05-09

1995-10-31

King, Roy V.

Superconductor technology: apparatus, material, process

Processes of producing or treating high temperature...

Coating

505470, 505475, 505474, 505500, 505742, 505125, 427 62, 427343, 20419224, B05D 512

Patent

active

054629217

ABSTRACT:
A method of fabricating a thin-film Hg-containing oxide superconductor is disclosed, which comprises forming a thin film on a substrate, said thin film containing mercury, an alkaline earth element, and copper as main components thereof; and subjecting said substrate with the thin film to a heat treatment in an oxygen-containing atmosphere at an oxygen partial pressure of 1/500 to 1/10 atm, to convert said thin film to the thin-film superconductor.

REFERENCES:
Adachi et al, Appl. Phys. lett. 63(26) Dec. 1993, pp. 3628-3629.
Ichikawa et al, Appl. Phys. lett. 53(10) Sep. 1988, pp. 919-921.
Face et al, Appl. Phys. lett. 61(15) Oct. 1992, pp. 1838-1840.
Nature, 6 May 1993, UK, vol. 363, No. 6424, pp. 56-58, Schilling A et al `Superconductivity above 130 K in the Hg-Ba-Ca-Cu-O system`.
Physica C, 10 Mar. 1994, Netherlands, vol. 222, No. 1-2, pp. 33-37, Isawa K et al `Encapsulation method for the synthesis of nearly single-phase superconducting HgBa2Ca2Cu3O8+ delta with Tc>or =135 K`.
Physica C, 10 Mar. 1994, Netherlands, vol. 222, No. 1-2, pp. 7-12, Paranthaman M `Single-step systhesis of bulk HgBa2Ca2Cu3O8+delta`.

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