Preparation of Superconducting Ba₂YCu₃O_7-y/Ag Composite Films by the Dipping-Pyrolysis Process Using Metal Naphthenates at 750°C

1 July 1991

journal article
Published by IOP Publishing in Japanese Journal of Applied Physics

Vol. 30 (7B) , L1268
https://doi.org/10.1143/jjap.30.l1268

Abstract

Superconducting Ba₂YCu₃O_7-y/Ag composite films were prepared on yttria-stabilized zirconia substrates by the dipping-pyrolysis process. Metal naphthenates were used as starting materials. Homogeneous Ba-Y-Cu-Ag solutions with (Ag/BYCO) molar ratios of 0-1.0 were spin-coated onto the substrates and pyrolyzed at 500°C. Subsequently, these prefired films were heat-treated at 750°C under a low-oxygen partial pressure (=2×10^-4 atm) followed by higher-p(O₂) annealing. High superconducting transition temperatures, T _c,onset(s)'s and T _{c,zero$(r)'s, o
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Keywords

This publication has 13 references indexed in Scilit:

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Japanese Journal of Applied Physics, 1991
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Preparation of Superconducting Ba2YCu3O7-y/Ag Composite Films by the Dipping-Pyrolysis Process Using Metal Naphthenates at 750°C

Abstract

Keywords

Preparation of Superconducting Ba₂YCu₃O_7-y/Ag Composite Films by the Dipping-Pyrolysis Process Using Metal Naphthenates at 750°C