Crystal chemistry and magnetic properties of ternary stannides R2M2Sn (R equals rare earth or uranium, M = Ni, Pd)

被引:28
|
作者
Chevalier, B [1 ]
Fourgeot, F [1 ]
Laffargue, D [1 ]
Gravereau, P [1 ]
Fournes, L [1 ]
Etourneau, J [1 ]
机构
[1] Univ Bordeaux 1, Inst Chim Mat Condensee Bordeaux, UPR 9048, F-33608 Pessac, France
关键词
uranium; rare earth; stannides; crystal structure; magnetic properties;
D O I
10.1016/S0925-8388(97)00339-3
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
We have synthesized a great number of ternary stannides R2Ni2Sn, R2Pd2+xSn1-x (R = rare earth) and U2M2Sn (M = Fe, Co, Ni, Ru, Rh, Pd, Ir, Pt). They crystallize either in the orthorhombic W2CoB2-type or in the tetragonal U3Si2-type. A structural relationship exists between these types and those of binary RNi and ternary RNiSn or RPdSn equiatomic compounds. Attention is also focused on the wide range of their magnetic properties [complex (B, T)-magnetic phase diagram, antiferromagnetic double right arrow ferromagnetic transition,...]. (C) 1997 Elsevier Science S.A.
引用
收藏
页码:114 / 117
页数:4
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