| 简介 |
PROBLEM TO BE SOLVED : To provide a superconductor film high in critical current density Jc, and small in magnetic field angle dependency.
SOLUTION : In the superconductor film, columnar crystals each formed of a normally-conductive material containing Ba and intermittently arranged in the film thickness direction are formed in a superconductor layer formed of a superconductive material represented by general formula REBa2Cu3Ox, where RE is at least one kind of element within rare-earth elements excluding Pr and Ce, and 6.5
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