MUON SPIN RELAXATION STUDIES OF MAGNETIC ORDER IN Y1-XUXPD3 AND UPD4

被引：31

作者：

WU, WD

KEREN, A

LE, LP

LUKE, GM

STERNLIEB, BJ

UEMURA, YJ

SEAMAN, CL

DALICHAOUCH, Y

MAPLE, MB

机构：

[1] UNIV CALIF SAN DIEGO, DEPT PHYS, LA JOLLA, CA 92093 USA

[2] UNIV CALIF SAN DIEGO, INST PURE & APPL PHYS SCI, LA JOLLA, CA 92093 USA

来源：

PHYSICAL REVIEW LETTERS | 1994年 / 72卷 / 23期

关键词：

D O I：

10.1103/PhysRevLett.72.3722

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have performed muon spin relaxation (muSR) measurements of polycrystalline specimens of Y1-xUxPd3 with x=0.1, 0.2, 0.4 and UPd4. We demonstrate that UPd4 and Y0.6U0.4Pd3 exhibit spin glass order, while the predominant volume fraction remains nonmagnetic at T --> 0 in Y0.8U0.2Pd3 and the muon spin relaxation rate becomes even smaller in Y0.9U0.1Pd3, indicating the disappearance of magnetic order with decreasing U concentration x. These results are discussed in terms of the competition between the crystalline electric field splitting DELTA(CEF) and the exchange coupling J.

引用

页码：3722 / 3725

页数：4

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