Magnetic field and current dependence of average activation energy in YBCO high-Tc granular superconductors

被引:2
|
作者
Popescu, VA
Stepanescu, A
机构
[1] Univ Politehn Bucuresti, Dept Phys, Bucharest 77206, Romania
[2] Politecn Torino, Dipartimento Fis, I-10129 Turin, Italy
来源
MODERN PHYSICS LETTERS B | 2001年 / 15卷 / 16期
关键词
D O I
10.1142/S0217984901001975
中图分类号
O59 [应用物理学];
学科分类号
摘要
The temperature dependence of the electrical resistance noise in the presence of a magnetic field in polycrystalline YBCO samples was fitted with an average activation energy which decreases with magnetic field and with bias electrical current.
引用
收藏
页码:555 / 559
页数:5
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