Critical current densities in single‐crystal Bi2.2Sr2Ca0.8Cu2O8+δ
作者： R. B. van Dover , L. F. Schneemeyer , E. M. Gyorgy , J. V. Waszczak
DOI: 10.1063/1.99741
关键词:
摘要: We report transport and magnetic measurements of critical current densities in single crystals high Tc superconductors the Bi‐Sr‐Ca‐Cu‐O system. Transport Jc were made using a pulse method, while vibrating sample magnetometer was used to measure M‐H loops oriented fields up 15 kOe. Values for zero applied field are higher than those Ba2YCu3O7 at comparable temperatures. Also we observe strong dependence temperatures above ∼20 K.
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