Magnetic properties of RTSb3

被引:30
作者
Leonard, M [1 ]
Saha, S
Ali, N
机构
[1] So Illinois Univ, Dept Phys, Carbondale, IL 62901 USA
[2] So Illinois Univ, Mol Sci Program, Carbondale, IL 62901 USA
关键词
D O I
10.1063/1.370472
中图分类号
O59 [应用物理学];
学科分类号
摘要
Magnetization, electrical resistivity, and thermal expansion measurements have been performed on polycrystalline RTSb3 (R=La, Ce, Pr, Nd, Gd, Tb, and Dy; T=Cr, V) samples in order to study their magnetic properties. Depending on the rare-earth element, RTSb3 has been found to have either a purely ferromagnetic (or antiferromagnetic) phase or combination of antiferromagnetic (lower-temperature) and ferromagnetic (higher-temperature) phases. The antiferromagnetic order evolves from the ferromagnetic order as a result of the competition between R3+ and Cr3+ ions. As R is changed from La to Dy, the antiferromagnetic ordering of the R3+ ions becomes more prominent and predominate over the ferromagnetic ordering of Cr3+ for R=Gd, Tb, and Dy. Thermal expansion measurements show that the antiferromagnetic transition accompanies a drop in the sample dimension. The order of the ferromagnetic transition is found to be of the second order. (C) 1999 American Institute of Physics. [S0021-8979(99)58008-0].
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页码:4759 / 4761
页数:3
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