Magnetic phase transitions in Pr1-xDyxMn2Ge2 and Ce1-xDyxMn2Ge2

被引：13
|
作者：
Elmali, A [1 ]
Dincer, I
Elerman, Y
Ehrenberg, H
Fuess, H
机构：
[1] Ankara Univ, Dept Engn Phys, Fac Engn, TR-06100 Besevler, Turkey
[2] TH Darmstadt, Inst Sci Mat, D-64287 Darmstadt, Germany
来源：
JOURNAL OF PHYSICS-CONDENSED MATTER | 2003年 / 15卷 / 04期
关键词：
D O I：
10.1088/0953-8984/15/4/306
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The magnetic properties of the compounds Pr1-xDyxMn2Ge2 (0 less than or equal to x less than or equal to 1) and Ce1-xDyxMn2Ge2 (0 less than or equal to x less than or equal to 1) were investigated by means of temperature-dependent DC magnetization measurements in low external magnetic fields. The substitution of Dy for Pr or Ce leads to a linear decrease in the lattice parameters. Below about 330 K, the interlayer magnetic coupling in the Mn sublattice is ferromagnetic for Pr-rich and Ce-rich compounds and antiferromagnetic for Dy-rich compounds. At low temperatures, the Dy sublattice also orders and reconfigures the ordering in the Mn sublattice. This leads to ferrimagnetic ordering for Dy-rich compounds.
引用
收藏
页码：653 / 661
页数：9
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