Comparative study of the flux pinning by columnar defects in high-T-c superconductors

被引：8
|
作者：
Chikumoto, N
Konczykowski, M
Kishio, K
Murakami, M
机构：
[1] ECOLE POLYTECH,SOLIDES IRRADIES LAB,F-91128 PALAISEAU,FRANCE
[2] UNIV TOKYO,DEPT APPL CHEM,BUNKYO KU,TOKYO 113,JAPAN
来源：
PHYSICA C | 1997年 / 282卷
关键词：
D O I：
10.1016/S0921-4534(97)01183-0
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Columnar defects are introduced to single crystals of Nd123, La214 and Bi2212 by means of 5.8-GeV Pb-ion irradiation. After the irradiation, all samples showed the enhancement of the hysteresis width in a low field range, B < B-Phi. However, there are some differences in the pinning characteristics Both irradiated Nd123 and La214 samples exhibit 'peak effect' in the magnetization curve, which is not observed in irradiated Bi2212 sample. The observed peak effect is likely to orginate from the 'matching effect'.
引用
收藏
页码：2143 / 2144
页数：2
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