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

  • N. Harada (a1), K. Sato (a1) and K. Yamamoto (a1)

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.

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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

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

  • N. Harada (a1), K. Sato (a1) and K. Yamamoto (a1)

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