GROWTH BY SELF-FLUX METHOD AND POSTANNEALING EFFECT OF BI2SR2CA1CU2OX SINGLE-CRYSTALS

被引：5
|
作者：
FUJII, T
NAGANO, Y
SHIRAFUJI, J
机构：
[1] Department of Electrical Engineering, Faculty of Engineering, Osaka University, Suita, Osaka
来源：
JOURNAL OF CRYSTAL GROWTH | 1991年 / 110卷 / 04期
关键词：
D O I：
10.1016/0022-0248(91)90663-P
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Post-annealing effects on superconducting characteristics have been studied in Bi2Sr2Ca1Cu2O(x) single crystals grown by a conventional flux method. Also, favorable growth conditions and the effect of the pre-sintering process on the starting materials for flux growth have been examined. The best superconducting behavior is obtained in post-annealed crystals grown from pre-sintered powder materials. The critical current density J(c) estimated from magnetization hysteresis in annealed crystals grown with pre-sintered materials is roughly 8 x 10(5) A/cm2 (H parallel-to c) and 5 x 10(4) A/cm2 (H perpendicular-to c) at 4.2 K at zero field.
引用
收藏
页码：994 / 998
页数：5
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