μSR study of magnetically ordered state of the Zn-substituted La-Sr system

被引：7
|
作者：
Watanabe, I
Nagamine, K
机构：
[1] RIKEN, Inst Phys & Chem Res, Muon Sci Lab, Wako, Saitama 3510198, Japan
[2] KEK, MSL, Inst Mat Struct Sci, Meson Sci Lab, Tsukuba, Ibaraki 3050801, Japan
来源：
PHYSICA B-CONDENSED MATTER | 1999年 / 259-61卷
关键词：
mu SR; high-T(c); (1)/(8) anomaly; La-Sr system;
D O I：
10.1016/S0921-4526(98)00922-3
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Preliminary results of a muon spin relaxation study in a zero-held (ZF-mu SR) on Zn-doped high-Tc superconducting oxides, La(2)-(x)Sr(x)Cu(0.99)Zn(0.01)O(4), an reported Strong muon spin depolarization which was due to a magnetically ordered state was observed below 15 K around x = 0.115 at which the high-Tc superconductivity was anomalously suppressed. Slight enhancement of the depolarization behavior due to a magnetically instable state was observed below 10 K for x = 0.10 at which no sign of the existence of a long-range magnetic ordered state was observed in a non-Zn-doped system. The Zn-doping seems to enhance the magnetic correlation of the system around x = 0.115. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：544 / 545
页数：2
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