Thin film superconductors and process for making same
Patent
·
OSTI ID:6115325
A process for the preparation of oxide superconductors from high-viscosity non-aqueous solution is described. Solutions of lanthanide nitrates, alkaline earth nitrates and copper nitrates in a 1:2:3 stoichiometric ratio, when added to ethylene glycol containing citric acid solutions, have been used to prepare highly viscous non-aqueous solutions of metal mixed nitrates-citrates. Thin films of these compositions are produced when a layer of the viscous solution is formed on a substrate and subjected to thermal decomposition.
- Research Organization:
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- DOE Contract Number:
- AC04-76DP00789
- Assignee:
- Dept. of Energy
- Patent Number(s):
- PATENTS-US-A7146640
- Application Number:
- ON: DE89010892
- OSTI ID:
- 6115325
- Resource Relation:
- Other Information: Portions of this document are illegible in microfiche products
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
BARIUM COMPOUNDS
THIN FILMS
COPPER OXIDES
SUPERCONDUCTING FILMS
SYNTHESIS
YTTRIUM COMPOUNDS
HEAT TREATMENTS
INVENTIONS
NITRATES
SINTERING
ALKALINE EARTH METAL COMPOUNDS
CHALCOGENIDES
COPPER COMPOUNDS
FABRICATION
FILMS
NITROGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
360201* - Ceramics
Cermets
& Refractories- Preparation & Fabrication
360202 - Ceramics
Cermets
& Refractories- Structure & Phase Studies
BARIUM COMPOUNDS
THIN FILMS
COPPER OXIDES
SUPERCONDUCTING FILMS
SYNTHESIS
YTTRIUM COMPOUNDS
HEAT TREATMENTS
INVENTIONS
NITRATES
SINTERING
ALKALINE EARTH METAL COMPOUNDS
CHALCOGENIDES
COPPER COMPOUNDS
FABRICATION
FILMS
NITROGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
360201* - Ceramics
Cermets
& Refractories- Preparation & Fabrication
360202 - Ceramics
Cermets
& Refractories- Structure & Phase Studies