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In-Situ Preparations and Properties of High Tc Ybco Poly-Crystalline Thin Films

Published online by Cambridge University Press:  28 February 2011

N. Harada ,
K. Sato  and
K. Yamamoto
N. Harada
Affiliation:
The Furukawa Electric Co., Ltd., 2‐4‐3, Okano, Nishi‐ku, Yokohama 220 Japan
K. Sato
Affiliation:
The Furukawa Electric Co., Ltd., 2‐4‐3, Okano, Nishi‐ku, Yokohama 220 Japan
K. Yamamoto
Affiliation:
The Furukawa Electric Co., Ltd., 2‐4‐3, Okano, Nishi‐ku, Yokohama 220 Japan
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Abstract

Highly oriented YBCO films were produced on MgO(100) single crystal substrates. The direction of c axis was perpendicular to the film plane, whereas those of a and b axes were at random directions. The critical current density of the films was significantly high ca. 7x105 A/cm2. The critical transition temperature (Tc) of the YBCO film formed on a metal substrate, predeposited with YSZ as a buffer layer, was similar to those of the YBCO on MgO substrate. The possibility for the formation of superconductor films on metal substrates is suggested from these results.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 169: Symposium M – High Temperature Superconductors: Fundamental Properties and Novel Materials Processing , 1989 , 675
Copyright
Copyright © Materials Research Society 1990

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References

1 Ozaki, M., Harada, N., Akashita, S. and Chang, J. Conf, on the Sci. and Tech. of Thin Film Superconductors. Colorado Springs. U.S.A. Nov., 1988 Google Scholar