Experimental study of the magnetic phase diagrams of DyCu

被引：13

作者：

Amara, M ^{[1
]}

Morin, P ^{[1
]}

Bourdarot, F ^{[1
]}

机构：

[1] CEN,DEPT RECH FONDAMENTALE,MC,F-38041 GRENOBLE,FRANCE

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 1997年 / 9卷 / 35期

关键词：

D O I：

10.1088/0953-8984/9/35/017

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

DyCu (CsCl-type) orders antiferromagnetically at T-N = 62 K. By measuring magnetization curves, the (H, T) phase diagrams are established for magnetic fields applied along fourfold and threefold axes. On the basis of neutron diffraction experiments on single crystals, magnetic structures are associated with each of the phases seen. The spontaneous and field-stabilized structures are multiaxial, with moments pointing along threefold or twofold directions. The phase sequence in the ordered range of DyCu reveals antiferroquadrupolar couplings of trigonal symmetry.

引用

页码：7441 / 7454

页数：14

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