The antiferromagnetic-ferromagnetic transition of Ce2Pd2.04Sn0.96 stannide

被引：24

作者：

Laffargue, D ^{[1
]}

Fourgeot, F ^{[1
]}

Bouree, F ^{[1
]}

Chevalier, B ^{[1
]}

Roisnel, T ^{[1
]}

Etourneau, J ^{[1
]}

机构：

[1] CEA,LAB LEON BRILLOUIN,CNRS,F-91191 GIF SUR YVETTE,FRANCE

来源：

SOLID STATE COMMUNICATIONS | 1996年 / 100卷 / 08期

关键词：

D O I：

10.1016/0038-1098(96)00475-9

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Magnetic measurements and a neutron diffraction study have been performed on a polycrystalline sample of Ce2Pd2.04Sn0.96. Two magnetic transitions are observed at TN=4.8(2) K (antiferromagnetic transition) and T-C=3.0(2)K (ferromagnetic transition) respectively. The antiferromagnetic Ce2Pd2.04Sn0.96 structure is an incommensurate one, described by Ce3+ magnetic moments sinusoidally modulated along the tetragonal axis (P4/mbm crystalline space group): the propagation vector q=(qx, 0, 0) is thermally dependent, varying from qx=0.112(3) at T=4.5 K to 0.075(3) at T=2.8 K. The ferromagnetic structure is described by magnetic moments parallel to c-axis (M=1.86(3) mu(B)/Ce3+ at T=1.5 K). In the 2.8 K less than or equal to T<3.4 K temperature range, both ferro- and antiferromagnetic phases coexist in the stannide. Copyright (C) 1996 Elsevier Science Ltd.

引用

页码：575 / 579

页数：5

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