Low cost Y-Ba-Cu-O coated conductors

Solution-based techniques have been examined as potential low-cost processes for manufacturing YBCO coated conductors. YBCO films prepared from metal trifluoroacetate precursors have achieved performance levels equaling or exceeding that of vapor deposited films with the same thickness on CeO/sub 2/...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2001-03, Vol.11 (1), p.2927-2930
Main Authors: Rupich, M.W., Li, Q., Annavarapu, S., Thieme, C., Zhang, W., Prunier, V., Paranthaman, M., Goyal, A., Lee, D.F., Specht, E.D., List, F.A.
Format: Article
Language:English
Subjects:
Applied sciences
Buffer layers
COATINGS
Conductors
COPPER OXIDE
COSTS
DEPOSITION
ELECTRICAL CONDUCTORS
Electrical engineering. Electrical power engineering
Exact sciences and technology
High temperature superconductors
Manufacturing processes
Materials
Nickel
Nitrogen
Substrates
Superconducting films
SUPERCONDUCTIVITY
SUPERCONDUCTORS
Vapor deposited films
YBCO superconductors
Yttria stabilized zirconia
Yttrium barium copper oxide
YTTRIUM OXIDE
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Summary:Solution-based techniques have been examined as potential low-cost processes for manufacturing YBCO coated conductors. YBCO films prepared from metal trifluoroacetate precursors have achieved performance levels equaling or exceeding that of vapor deposited films with the same thickness on CeO/sub 2//YSZ(sc) substrates. J/sub c/'s of 4.5 MA/cm/sup 2/ and 2 MA/cm/sup 2/ have been achieved in 0.4 /spl mu/m thick YBCO films on CeO/sub 2//YSZ(sc) and CeO/sub 2//YSZ/CeO/sub 2//Ni substrates, respectively. Textured Gd/sub 2/O/sub 3/ buffer layers have been deposited on deformation textured Ni substrates in a reel-to-reel process. The performance of YBCO films deposited on substrates containing the Gd/sub 2/O/sub 3/ seed layers is comparable in performance to YBCO films grown on all vacuum deposited buffer layers.
ISSN:1051-8223
1558-2515
DOI:10.1109/77.919675