AC LOSSES IN (BI,PB)2SR2CA2CU3OX TAPES

被引：2
|
作者：
DANNA, G [1 ]
INDENBOM, MV [1 ]
ANDRE, MO [1 ]
BENOIT, W [1 ]
GRIVEL, JC [1 ]
HENSEL, B [1 ]
FLUKIGER, R [1 ]
机构：
[1] UNIV GENEVA,DEPT PHYS MAT CONDENSEE,CH-1211 GENEVA 4,SWITZERLAND
来源：
PHYSICA C | 1994年 / 225卷 / 1-2期
关键词：
D O I：
10.1016/0921-4534(94)90328-X
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A double peak structure is observed in the AC losses of (Bi,Pb)2Sr2Ca2Cu3Ox silver-sheathed tapes using a torsion-pendulum oscillator. The low-temperature peak is associated to the intragrain flux expulsion, while the high-temperature peak results from a macroscopic current path around the whole sample due to a well-coupled fraction of the grains. The flux pinning by the dislocations forming small-angle grain boundaries is suggested to control the transport current.
引用
收藏
页码：79 / 82
页数：4
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