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Properties of Y-Ba-Cu-O Film Formed by the Spray Pyrolysis Method

  • Maki Kawai (a1), Tomoji Kawai (a2), Hiromi Masuhira (a2) and Makoto Takahasi (a3)


An oriented film of YBa2Cu3O7−x superconductor was formed by a spray pyrolysis method. The temperature dependence of resistance showed the Tc-onset at 95K and Tc-zero at 83K with the film on a cubic zirconia single crystal surface. The X-ray diffraction pattern showed that the structure of the film was pure orthorhombic phase. Effect of the substrates and the modification of the substrates surface to form superconductive films are presented.



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