Rare earth oxide superconducting wire material and its manufacturing method

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PROBLEM TO BE SOLVED : To improve the orientation of an IBAD layer by forming a bed layer by an MOD method. SOLUTION : In a superconducting wire material 10 manufactured by forming a MOD-CZO layer 2, an IBS-GZO 3, an IBAD-MgO layer 4, a LMO layer 5, a PLD-CeO2layer 6 and a PLD-GdBCO superconductive layer 8 in this order on an electropolished substrate 1, the CeO2layer has the orientation of Δϕ=4.1 deg., which is almost the same as the case of using a mechanically polished substrate, and the GdBCO superconductive layer has an Ic value of Ic=249 A (Jc-5 MA/cm2), which is almost the same as the case of using a mechanically polished substrate. COPYRIGHT : (C)2011, JPO&INPIT