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.
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页码：555 / 559
页数：5
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