QUANTUM TUNNELING OF FLUX LINES IN SINGLE-CRYSTAL BI2SR2CACU2O8 WITH COLUMNAR DEFECTS

被引：63
|
作者：
PROST, D
FRUCHTER, L
CAMPBELL, IA
MOTOHIRA, N
KONCZYKOWSKI, M
机构：
[1] UNIV TOKYO,DEPT IND CHEM,BUNKYO KU,TOKYO 113,JAPAN
[2] ECOLE POLYTECH,CTR ETUD RECH MAT,SOLIDES IRRADIES LAB,F-91128 PALAISEAU,FRANCE
来源：
PHYSICAL REVIEW B | 1993年 / 47卷 / 06期
关键词：
D O I：
10.1103/PhysRevB.47.3457
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have studied the relaxation rate of the magnetization of a single crystal of Bi2Sr2CaCu2O8 before and after heavy-ion irradiation as a function of temperature for fields less than 1 T. We find a significant decrease in the thermally activated regime, and a moderate shift to lower values in the quantum regime after irradiation [respectively S(0) almost-equal-to 0.022 and S(0) almost-equal-to 0.15].
引用
收藏
页码：3457 / 3460
页数：4
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