Magnetism and superconductivity of high-Tc cuprates (La,Eu,Sr)2CuO4

被引：9
作者：
Kojima, KM
Eisaki, H
Uchida, S
Fudamoto, Y
Gat, IM
Kinkhabwala, A
Larkin, MI
Luke, GM
Uemura, YJ
机构：
[1] Univ Tokyo, Dept Superconduct, Bunkyo Ku, Tokyo 1138656, Japan
[2] Columbia Univ, Dept Phys, New York, NY 10027 USA
来源：
PHYSICA B | 2000年 / 289卷
关键词：
LSCO; high-T-c; cuprates; stripe order;
D O I：
10.1016/S0921-4526(00)00407-5
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We have investigated magnetism and superconductivity of La2-x-yEuySrxCuO4 (y = 0.1), around the hole concentration x similar to 1/8. A static magnetic order was observed with a full volume fraction at x = 0.12. At the optimum doping x = 0.15, the magnetic volume fraction decreased to about half, leaving the remaining volume fraction non-magnetic down to 2 K. The mu SR line shape in x = 0.12 was best accounted with the stripe model. In both hole concentrations, superconductivity was identified in susceptibility as the shielding effect. There was a competition between static magnetism and superconductivity, as the transition temperatures suggest. (C) 2000 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码：343 / 346
页数：4
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