Process for preparing superconducting film having substantially uniform phase development
- Littleton, CO
- Lakewood, CO
- Evergreen, CO
A process for preparing a superconducting film, such as a thallium-barium-calcium-copper oxide superconducting film, having substantially uniform phase development. The process comprises providing an electrodeposition bath having one or more soluble salts of one or more respective potentially superconducting metals in respective amounts adequate to yield a superconducting film upon subsequent appropriate treatment. Should all of the metals required for producing a superconducting film not be made available in the bath, such metals can be a part of the ambient during a subsequent annealing process. A soluble silver salt in an amount between about 0.1% and about 4.0% by weight of the provided other salts is also provided to the bath, and the bath is electrically energized to thereby form a plated film. The film is annealed in ambient conditions suitable to cause formation of a superconductor film. Doping with silver reduces the temperature at which the liquid phase appears during the annealing step, initiates a liquid phase throughout the entire volume of deposited material, and influences the nucleation and growth of the deposited material.
- Research Organization:
- MIDWEST RESEARCH INSTITUTE
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-83CH10093
- Assignee:
- Midwest Research Institute (Kansas City, MO)
- Patent Number(s):
- US 5476837
- OSTI ID:
- 870211
- Country of Publication:
- United States
- Language:
- English
YBaCuO and TlBaCaCuO Superconductor Thin Films via an Electrodeposition Process
|
journal | January 1992 |
The preparation of “1223” Tl-Ca-Ba-Cu-oxide superconducting films via the reaction of silver-containing spray deposited Ca-Ba-Cu-Oxide with thallium oxide vapor
|
journal | January 1993 |
Magnetic relaxation, flux creep and the distribution of pinning potentials in ceramic Tl-1223 HTSC
|
journal | June 1991 |
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