Oxide superconducting film and method of preparing the same

Details Oxide superconducting film and method of preparing the same Oxide superconducting film and method of preparing the same

2009-08-31

2010-06-08

Kopec, Mark (Department: 1796)

Superconductor technology: apparatus, material, process

High temperature , per se

Halogen containing

C505S238000, C505S461000, C505S191000

Reexamination Certificate

active

07732376

ABSTRACT:
The present invention relates to a method of preparing an oxide superconducting film, the method includes reacting a metal acetate containing metal M selected from the group consisting of lanthanum, neodymium and samarium with fluorocarboxylic acid having not less than three carbon atoms, reacting barium acetate with fluorocarboxylic acid having two carbon atoms, reacting copper acetate with fluorocarboxylic acid having not less than two carbon atoms, respectively, followed by refining reaction products, dissolving the reaction products in methanol such that a molar ratio of the metal M, barium and copper is 1:2:3 to prepare a coating solution, and coating a substrate with the coating solution to form a gel film, followed by calcining and firing the gel film to prepare an oxide superconducting film.

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