Preparation of High-Tc Bi-Sr-Ca-Cu-O Films on MgO Substrates by the Liquid Phase Epitaxial (LPE) Method
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Thin films of high-Tc superconductor Bi2Sr2CaCu2Ox were prepared on MgO(100) substrates by a liquid phase epitaxial method. Several kinds of fluxes were applied for preparation of Bi2Sr2CaCu2Ox thin films, and KCl was found to be the best among them. The film consisted of two phases, Bi2Sr2CaCu2Ox and Bi2Sr2CuOx. The onset Tc in the superconducting transition was at 95 K in an as-grown state, but zero resistivity was not observed over 50 K.
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