DYNAMIC CHARACTERISTICS OF THE ANOMALOUS 2ND PEAK IN THE MAGNETIZATION CURVES OF BI-SR-CA-CU-O

被引:158
作者
YESHURUN, Y
BONTEMPS, N
BURLACHKOV, L
KAPITULNIK, L
机构
[1] ECOLE NORMALE SUPER,PHYS MAT CONDENSEE LAB,F-75231 PARIS 05,FRANCE
[2] STANFORD UNIV,DEPT APPL PHYS,STANFORD,CA 94305
来源
PHYSICAL REVIEW B | 1994年 / 49卷 / 02期
关键词
D O I
10.1103/PhysRevB.49.1548
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We present magnetization curves for Bi-Sr-Ca-Cu-O crystals which exhibit an anomalous second peak. Between 20 and 40 K the peak disappears gradually with time. At lower temperatures (18 K) the peak is absent in the short-time limit and it is gradually built up with time. A smooth universal function relates the magnetization at the peak (400 Oe) with that at the minimum (200 Oe) for all isotherms and at any given time, thus demonstrating the absence of the anomalous peak in the short-time limit at all isotherms.
引用
收藏
页码:1548 / 1551
页数:4
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