DIRECTIONAL ISOTHERMAL GROWTH OF HIGHLY TEXTURED BI2SR2CACU2OY

被引:20
作者
HOLESINGER, TG
MILLER, DJ
VISWANATHAN, HK
DENNIS, KW
CHUMBLEY, LS
WINANDY, PW
YOUNGDAHL, AC
机构
[1] ARGONNE NATL LAB,SCI & TECHNOL CTR SUPERCONDUCT,ARGONNE,IL 60439
[2] IOWA STATE UNIV SCI & TECHNOL,AMES,IA 50011
[3] AMES LAB,AMES,IA 50011
关键词
D O I
10.1063/1.109865
中图分类号
O59 [应用物理学];
学科分类号
摘要
For Bi2Sr2CaCu2Oy (2212), it is shown that an oxygen gradient, as opposed to a temperature gradient, can be used to produce large bulk forms of the 2212 superconductor with highly textured microstructures from an oxygen-deficient melt held at a constant temperature. Material produced in this manner was found to have transition temperatures between 85 and 92 K, high critical current densities below 20 K, and modest critical current densities at 77 K.
引用
收藏
页码:982 / 984
页数:3
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