SUPERCONDUCTING PERCOLATION NETWORKS IN BI1.8PB0.2SR2CA2CU3OY

被引：1
|
作者：
KIMISHIMA, Y
OHNISHI, A
机构：
[1] Department of Physics, Faculty of Engineering, Yokohama National University, Hodogaya-ku, Yokohama, 240
来源：
PHYSICA C | 1991年 / 185卷
关键词：
D O I：
10.1016/0921-4534(91)91041-2
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Temperature dependences of electrical resistivity-rho and DC magnetic susceptibility-chi were measured simultaneously for Bi1.8Pb0.2Sr2Ca2Cu3Oy (H-phase) high T(c) superconductors which were annealed for 50, 100, 150 and 250 hours at 840 K in air. The superconducting bond concentration dependence of rho was obtained for the host H-phase-network from the DC-chi at 10 Oe after the 10 Oe field cooling. The relation between percolation threshold p(c) and resistivity critical index s near p(c) were investigated for the host H-phase-network in each sample.
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页码：1831 / 1832
页数：2
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