Field dependence of the intragrain superconductive transition in RuSr2EuCu2O8 -: art. no. 174503

被引：32
|
作者：
Lorenz, B [1 ]
Xue, YY
Meng, RL
Chu, CW
机构：
[1] Univ Houston, Texas Ctr Superconduct, Houston, TX 77204 USA
[2] Univ Houston, Dept Phys, Houston, TX 77204 USA
[3] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA
[4] Hong Kong Univ Sci & Technol, Hong Kong, Hong Kong, Peoples R China
来源：
PHYSICAL REVIEW B | 2002年 / 65卷 / 17期
关键词：
D O I：
10.1103/PhysRevB.65.174503
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A narrow intragrain phase-lock transition was observed in RuSr2EuCu2O8 under a magnetic field H up to a few Tesla. The corresponding transition temperature T-2 decreases rapidly (approximate to100 K/T at low fields) with H, indicating that the grains of RuSr2EuCu2O8 behave unlike a homogeneous bulk superconductor. Our data suggest that the bulk superconducting transition may occur on a length scale well below the grain size 2-6 mum.
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页码：1 / 5
页数：5
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