Antiferromagnetic ordering in the ternary stannides CeNi4Sn2 and NdNi4Sn2

被引：6

作者：

Fourgeot, F ^{[1
]}

Chevalier, B ^{[1
]}

Gravereau, P ^{[1
]}

Etourneau, J ^{[1
]}

机构：

[1] UNIV BORDEAUX 1,INST CHIM MAT CONDENSEE BORDEAUX,CNRS,UPR 9048,F-33608 PESSAC,FRANCE

来源：

PHYSICA B | 1997年 / 230卷

关键词：

stannides; CeNi4Sn2; NdNi4Sn2; metamagnetic transition;

D O I：

10.1016/S0921-4526(96)00672-2

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The results of magnetization and electrical resistivity measurements are presented for these compounds which crystallize in a tetragonal structure deriving from the CuAl2-type. CeNi4Sn2 can be described as an antiferromagnetic Kondo lattice (T-N = 11.0(5)K) showing a metamagnetic transition whereas NdNi4Sn2 exhibits a more complex magnetic phase diagram since two magnetic transitions are detected near 13 and 10 K, respectively. T-N of CeNi4Sn2 is greater than that reported for other stannides existing in the Ce-Ni-Sn system: CeNi2Sn2 (T-N = 1.8 K), CeNiSn2 (T-N = 3.9 K) and Ce2Ni2Sn (T-N = 4.7 K). Moreover, this high T-N suggests that the magnetic properties of CeNi4Sn2 are not solely governed by the RKKY interactions.

引用

页码：256 / 258

页数：3

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