Method for producing high-temperature superconducting ceramic pr

Details Method for producing high-temperature superconducting ceramic pr Method for producing high-temperature superconducting ceramic pr

1988-04-11

1991-12-10

Dixon, Jr., William R.

Superconductor technology: apparatus, material, process

Process of making or treating high tc superconducting shaped...

From organometallic precursors

505 1, H01L 3924

Patent

active

050718339

ABSTRACT:
A tractable ceramic precursor and method for producing the same, capable of being formed into useful shapes at low temperatures and thereafter capable of transformation into high-temperature superconducting ceramics is provided. The method consists of preparing one or more organometallic compounds selected from organometallic clusters and organometallic polymers and combining them in the proper stoichiometric ratio to form a tractable ceramic precursor having rheological/viscoelastic properties suitable for forming useful shapes and having metal elements in suitable proportions to form high-temperature superconducting ceramics.

REFERENCES:
patent: 4880770 (1989-11-01), Mir et al.
patent: 4918051 (1990-04-01), Mantese et al.
"Preparation of Glasses and Ceramics from Metal-Organic Compounds" B. E. Yoldas, J. of Mat. Science 12(1977) 1205-1208.
"Rapid Thermal Annealing of High Tc Superconducting Thin Films formed by Metalorganic Deposition" J. V. Mantese et al. App. Phys. Lett. vol. 52 #19-May 9, 1988.
Hawley's Condensed Chemical Dictionary Eleventh Edition .RTM.1987 Van Nostrand Reinhold Co., N. Y.

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