Magnetic Relaxation of (La1-xSrx)(2)CuO4 Single Crystals with Various Sr Composition

被引：0

作者：

Kobayashi, T. ^{[1
]}

Kimura, T. ^{[1
]}

Shimoyama, J. ^{[1
]}

Kishio, K. ^{[1
]}

Kitazawa, K. ^{[1
]}

Yamafuji, K. ^{[1
,2
]}

机构：

[1] Univ Tokyo, Dept Ind Chem, Bunkyo Ku, Tokyo 113, Japan

[2] Kyushu Univ, Dept Elect, Higashi Ku, Fukuoka 812, Japan

来源：

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 1994年 / 235-40卷

关键词：

D O I：

10.1016/0921-4534(94)90988-1

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The magnetization curves of (La1-xSrx)(2)CuO4 single crystals a. re classified into two types. In the under-doped region (x < 0.075), magnetization dccrcases with power of the time, M(t) = M(0)t(-alpha). The current depended pinning potential, U = U0In(J(c)/J), explains this behavior. In the over-doped region (x >= 0.075), relaxation rate increases for increasing field and temperature at first. But there is a bump on B-T plane, whose position corresponds to the second peak.

引用

页码：2923 / 2924

页数：2

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