EFFECTS OF DC TRANSPORT CURRENT ON LOW-FIELD MICROWAVE-ABSORPTION IN CERAMIC SUPERCONDUCTING YBCO SAMPLES

被引：1
|
作者：
HOW, H [1 ]
KARIM, R [1 ]
SEED, R [1 ]
WIDOM, A [1 ]
VITTORIA, C [1 ]
BALESTRINO, G [1 ]
PAROLI, P [1 ]
机构：
[1] CNR, IST ELECTR STATO SOLIDI, I-01156 ROME, ITALY
来源：
JOURNAL OF APPLIED PHYSICS | 1990年 / 67卷 / 04期
关键词：
D O I：
10.1063/1.345561
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The effects of dc transport current on low-field microwave absorption have been investigated systematically on bulk ceramic YBa2Cu 3O7-δ samples. At a fixed temperature T, the critical current Ic(T) at which the electron paramagnetic resonance (EPR) signal vanishes varies linearly with T. The EPR absorption characteristics obey a scaling rule in accordance with the flux creep model. A revised version of the flux creep model is also presented.
引用
收藏
页码：2182 / 2185
页数：4
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