PREFERENTIAL SUBSTITUTION OF IRON IN Y(2)FE(17-X)M(X) COMPOUNDS, WITH M=AL, GA OR SI

被引：14
|
作者：
MORARIU, M
ROGALSKI, MS
PLUGARU, N
VALEANU, M
LAZAR, DP
机构：
来源：
SOLID STATE COMMUNICATIONS | 1994年 / 92卷 / 11期
关键词：
MAGNETICALLY ORDERED MATERIALS;
D O I：
10.1016/0038-1098(94)90922-9
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Fe-57 Mossbauer measurements of Y(2)Fe(17-x)M(x) compounds, with M = Al, Ga or Si, x = 1 and 2, have been performed at room temperature. Analysis of calculated and experimentally obtained relative intensities in the frame of structural and magnetic data evidences a preferential substitution of Fe(12k) sites by the nonmagnetic M atoms. This effect is consistent with the previously reported coexistence of a lattice expansion or contraction and an enhancement in Curie temperature of R(2)Fe(17) compounds, with iron substituted by different types of atoms.
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收藏
页码：889 / 894
页数：6
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