Method for fabricating superconductors by sol-gel process
Patent
·
OSTI ID:5103642
This patent describes a method for producing a copper oxide based superconducting oxide composition. It comprises forming a sol from a solution of hydrolyzable alkoxides in a volatile non-polar solvent, the alkoxides being precursors of the desired oxide constituents and being present in the stoichiometric proportions needed to yield the desired superconducting composition, gelling the sol by hydrolysis and polymerization of the alkoxides, and firing the gel in an oxygen-containing atmosphere to convert the gel to a crystalline superconducting oxide.
- Assignee:
- North American Philips Corp., New York, NY (United States)
- Patent Number(s):
- A; US 5106828
- Application Number:
- PPN: US 7-75491
- OSTI ID:
- 5103642
- Country of Publication:
- United States
- Language:
- English
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Journal Article
·
Thu Aug 01 00:00:00 EDT 1991
· Journal of Materials Research; (United States)
·
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·
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Related Subjects
36 MATERIALS SCIENCE
360202 -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
360207 -- Ceramics
Cermets
& Refractories-- Superconducting Properties-- (1992-)
665411 -- Basic Superconductivity Studies-- (1992-)
665412* -- Superconducting Devices-- (1992-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
CHALCOGENIDES
CHEMICAL COMPOSITION
CHEMICAL REACTIONS
COPPER COMPOUNDS
COPPER OXIDES
DIAGRAMS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
FABRICATION
OXIDES
OXYGEN COMPOUNDS
PHASE DIAGRAMS
PHYSICAL PROPERTIES
POLYMERIZATION
SOL-GEL PROCESS
STOICHIOMETRY
SUPERCONDUCTIVITY
SUPERCONDUCTORS
TRANSITION ELEMENT COMPOUNDS
360202 -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
360207 -- Ceramics
Cermets
& Refractories-- Superconducting Properties-- (1992-)
665411 -- Basic Superconductivity Studies-- (1992-)
665412* -- Superconducting Devices-- (1992-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
CHALCOGENIDES
CHEMICAL COMPOSITION
CHEMICAL REACTIONS
COPPER COMPOUNDS
COPPER OXIDES
DIAGRAMS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
FABRICATION
OXIDES
OXYGEN COMPOUNDS
PHASE DIAGRAMS
PHYSICAL PROPERTIES
POLYMERIZATION
SOL-GEL PROCESS
STOICHIOMETRY
SUPERCONDUCTIVITY
SUPERCONDUCTORS
TRANSITION ELEMENT COMPOUNDS