27Al nuclear magnetic resonance studies of CeAuAl3

被引：1
|
作者：
Vonlanthen, P [1 ]
Gavilano, JL [1 ]
Ambrosini, B [1 ]
Ott, HR [1 ]
机构：
[1] ETH Honggerberg, Festkorperphys Lab, CH-8093 Zurich, Switzerland
来源：
PHYSICA B-CONDENSED MATTER | 1999年 / 259-61卷
关键词：
CeAuAl3; heavy-electron; magnetism; NMR;
D O I：
10.1016/S0921-4526(98)01039-4
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We report a Al-27 nuclear magnetic resonance study of CeAuAl3 at frequencies between I and 77 MHz and temperatures from 0.04 up to 300 K. CeAuAl3 is a new heavy-electron compound that orders antiferromagnetically at 1.32 K. Based on our NMR results we suggest that the magnetic structure of the AF ordered state of CeAuAl3 is of a simple spiral type with the ordered Ce moments aligned ferromagnetically within the basal planes of tetragonal CeAuAl3. We estimate a reduction of the Ce magnetic moments of less than 25%, which we associate with a weak Kondo screening. (C) 1999 Published by Elsevier Science B.V. All lights reserved.
引用
收藏
页码：18 / 19
页数：2
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