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Fabrication of NdBCO single crystal oxide superconductor with enhanced superconductive properties

  • M. Kambara (a1), X. Yao (a2), M. Nakamura (a2), Y. Shiohara (a2) and T. Umeda (a1)...

Abstract

Nd1+xBa2−xCu3O6+d (Nd123) single crystals have been successfully grown by the top-seeded solution-growth method. Compositions of Nd123 could be controlled by applying two different methods: control of the oxygen partial pressure of the atmosphere and control of the liquid composition in air. The critical temperatures of Nd123 obtained by these two methods were 96 K (oxygen control) and 95 K (liquid composition control), respectively. The relationship between the peak effect in the Jc-H curve and heat treatment was investigated. The peak effect was found not to be an intrinsic property of Nd123; consequently it could be controlled by heat treatment.

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Fabrication of NdBCO single crystal oxide superconductor with enhanced superconductive properties

  • M. Kambara (a1), X. Yao (a2), M. Nakamura (a2), Y. Shiohara (a2) and T. Umeda (a1)...

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