Preparation of Highly Oriented Microstructure in the (Bi, Pb)_2Sr_2Ca_2Cu_3O_x Sintered Oxide Superconductors

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概要

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• High T_c superconductors of the nominal composition of Bi_<1.6>Pb_<0.4>Sr_2Ca_3Cu_3O_y were successfully prepared by the conventional ceramic technique. The high T_c phase was predominant in all the samples giving zero resistance at 104 K. Drastic changes in density, as well as other material properties were obtained through a slight modification in the powder preparation process. Single-phase high T_c samples with a critical current density of 1000-1200 A/cm^2 (at 77 K) were prepared by sintering in air for 250 h at 845℃. Most of the grains were aligned with their c-axis normal to the pellet surface.

• 社団法人応用物理学会の論文
• 1990-04-20

著者

• Suri D.

  Materials Division National Physical Laboratory

• Nagpal K

  Materials Division National Physical Laboratory

• JAIN Kiran

  Materials Division, National Physical Laboratory

• NAGPAL K.

  Materials Division, National Physical Laboratory

• RAO S.

  Materials Division, National Physical Laboratory

• DAS B.

  Materials Division, National Physical Laboratory

• Jain Kiran

  Materials Division National Physical Laboratory

• Das B.

  Materials Division National Physical Laboratory

• Rao S.

  Materials Division National Physical Laboratory

関連論文

• Preparation of Highly Oriented Microstructure in the (Bi, Pb)_2Sr_2Ca_2Cu_3O_x Sintered Oxide Superconductors

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