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Research on Oxide Superconducting Wire

Published online by Cambridge University Press:  26 February 2011

Y. Ikeno ,
K. Doi ,
Y. Kamisada ,
K. Hayashi  and
T. Ogawa
Y. Ikeno
Affiliation:
Engineering Research Association for Superconductive Generation Equipment and Materials, (Super-GM), Umeda UN Bldg., 5–14–10, Nishitenma, Kita-Ku, Osaka, 530, Japan.
K. Doi
Affiliation:
Engineering Research Association for Superconductive Generation Equipment and Materials, (Super-GM), Umeda UN Bldg., 5–14–10, Nishitenma, Kita-Ku, Osaka, 530, Japan.
Y. Kamisada
Affiliation:
Engineering Research Association for Superconductive Generation Equipment and Materials, (Super-GM), Umeda UN Bldg., 5–14–10, Nishitenma, Kita-Ku, Osaka, 530, Japan.
K. Hayashi
Affiliation:
Engineering Research Association for Superconductive Generation Equipment and Materials, (Super-GM), Umeda UN Bldg., 5–14–10, Nishitenma, Kita-Ku, Osaka, 530, Japan.
T. Ogawa
Affiliation:
Engineering Research Association for Superconductive Generation Equipment and Materials, (Super-GM), Umeda UN Bldg., 5–14–10, Nishitenma, Kita-Ku, Osaka, 530, Japan.
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Abstract

By using the solid, liquid and vapor processes, such as doctor blade, laser pedestal growth, FZ, plasma spraying, ICB, CVD and laser ablation, wires and tapes were successfully fabricated. These experiments yielded the following results : Bi-2212 seven stranded wire with multi-layer structure by doctor blade method was prepared, and Ic of 270A (77K, OT) was achieved. Bi-2212 wires were prepared by laser pedestal growth, and Ic of 500A (77K, OT) was obtained in the case of 3mm in diameter. The a-b plane aligned Y-123 films-was deposited on Hastelloy, tape by laser ablation, and high Jc of 2.5×10 A/cm2 (77K, OT) and 2.2×10 A/cm2 (77K, 8T) were measured.

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References

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