Electron-irradiation enhancement of the critical magnetization current in the Bi1.4Pb0.6Sr2Ca2Cu3O10 superconductor

被引：0
|
作者：
Shiraishi, Kensuke [1 ]
Kazumata, Yukio [1 ]
Kato, Takahiko [1 ]
机构：
[1] Japan Atomic Energy Research Inst, Takasaki, Japan
来源：
Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers | 1991年 / 30卷 / 04期
关键词：
Bismuth Strontium Calcium Copper Oxides - Critical Current Density - Critical Magnetization Current - Electron-Irradiation Enhancement;
D O I：
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学科分类号：
摘要：
The Bi1.4Pb0.6Sr2Ca2Cu3O10 ceramic was irradiated with 1 MeV electrons of 1.1-27.5 × 1011 cm-2&middots-1 dose rate to a dose of 1.0 × 1015 cm-2 at ambient temperature, and the magnetization measurements were carried out at 5, 20 and 50 K in magnetic fields up to 5 T. Whereas the magnetization current density at 5 and 20 K was increased by the irradiation, the current density measured at 50 K was decreased in low magnetic fields. The enhancement of 17-25% in the current density at 5 K, which was dependent on dose rate, changed slightly with an increase in strength of the magnetic field.
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页码：578 / 581
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