HIGH-FIELD MAGNETIZATION OF HEAVY-FERMION UPD2AL3

被引:48
作者
DEVISSER, A [1 ]
NAKOTTE, H [1 ]
TAI, LT [1 ]
MENOVSKY, AA [1 ]
MENTINK, SAM [1 ]
NIEUWENHUYS, GJ [1 ]
MYDOSH, JA [1 ]
机构
[1] LEIDEN UNIV,KAMERLINGH ONNES LAB,2300 RA LEIDEN,NETHERLANDS
来源
PHYSICA B | 1992年 / 179卷 / 01期
关键词
D O I
10.1016/0921-4526(92)90625-3
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
We report on high-field magnetization (M(B)) measurements (B less-than-or-equal-to 35 T) of antiferromagnetic heavy-fermion UPd2Al3 at liquid helium temperatures. The data taken on well-characterized single-crystalline samples reveal a large anisotropy. For a field directed in the hexagonal plane (B parallel-to a-axis) a sharp jump, DELTA-M congruent-to 0.94-mu(B)/U-atom, occurs at B(c) = 18.0 T, while for a field along the hexagonal axis (hard axis) the magnetization is small and almost linear up to 35 T. The jump at B(c) = 18.0 T for B parallel-to a reflects the antiferromagnetic phase boundary.
引用
收藏
页码:84 / 88
页数:5
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