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Superconducting (YBaCuO)–(CuO)–Ag composites

Published online by Cambridge University Press:  31 January 2011

Yi Song ,
Yue Cao ,
Anupam Misra  and
J. R. Gaines
Yi Song
Affiliation:
Department of Physics and Astronomy, University of Hawaii at Manoa, Honolulu, Hawaii 96822
Yue Cao
Affiliation:
Department of Physics and Astronomy, University of Hawaii at Manoa, Honolulu, Hawaii 96822
Anupam Misra
Affiliation:
Department of Physics and Astronomy, University of Hawaii at Manoa, Honolulu, Hawaii 96822
J. R. Gaines
Affiliation:
Department of Physics and Astronomy, University of Hawaii at Manoa, Honolulu, Hawaii 96822
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Abstract

We have fabricated superconducting composites composed of Y1Ba2Cu3O7–δ, copper oxide, and metallic silver. Sharp superconducting transitions were observed well above the liquid nitrogen temperature. The normal state resistivity of these composites was much lower than that of the pure ceramic Y1Ba2Cu3O7–δ. The critical current density was measured and it was comparable to that of ceramic superconductors. A substantial improvement of the mechanical properties has been achieved over those of the ceramic Y1Ba2Cu3O7–δ material.

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Type
Articles
Information
Journal of Materials Research , Volume 4 , Issue 4 , August 1989 , pp. 802 - 805
Copyright
Copyright © Materials Research Society 1989

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References

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