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Bulk superconducting composites containing Bi 1.6 Pb 0.4 Sr 2 Ca 2 Cu 3 O z (BPSCCO) and La 0.6 Pb 0.4 MnO 3 (LPMO) ceramics have been produced and investigated. The initial components were prepared by a solid-state reaction. The submicron powders mixed in weight ratio 99/1, 97/3, and 95/5 BSCCO/LPMO were heat treated at 840°C...
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