Method for forming ceramic materials, including superconductors

Details Method for forming ceramic materials, including superconductors Method for forming ceramic materials, including superconductors

1989-10-12

1991-02-19

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Refractory

505725, 505737, 423593, 423604, 423636, H01B 1200

Patent

active

049944207

ABSTRACT:
The specification discloses forming ceramic films, and especially high temperature superconductor films, by dissolving ceramic precursor metal iodides in organic solvents, applying them to a substrate, evaporating the solvent and pyrolyzing and annealing the resulting ceramic precursor metal iodide films.

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Appl. Phys. Lett., vol. 54 (24) "Preparation of Y-Ba-Cu-O Super-Conducting Thin Films Using BaF.sub.2 as a Buffer Layer", Radpour et al., Jun., 1989, p. 2479.
App. Phys. Lett 53(17) Oct. 24, 1988, "Passivation of High T.sub.c Superconductor Surfaces with CaF.sub.2 and Bi, Al, and Si Oxides", Hill et al., p. 1657-1659.
"Oxygen Deficiency and Superconducting Properties of Yttrium Oxide Cpds", Nakamura et al., Apr., 1987 (presented at MRS Conference).
"A Hydroxycarbonate Rate to Superconductor Precursor Powders", Voigt et al., Mat. Res. Soc. Symp., vol. 99 (1988), p. 635-638.
"Chemical Vapor Deposition of YBa.sub.2 Cu.sub.3 O.sub.7 Using Metal Organic Chelate Precursors", Panson et al., Appl. Phys. Letters, 8/1988.
"Chemical Vapor Deposition of the Superconducting YBa.sub.2 Cu.sub.3 O.sub.7-x Phase Using Halides as Metal Sources", Ottoson et al., App. Phys. Lett (54)24, June 12, 1989, p. 2476.

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