Electron and hole doping effects in Sr2FeMoO6 double perovskites

被引：7
|
作者：
Sánchez, D [1 ]
Alonso, JA
García-Hernández, M
Martínez-Lope, MJ
Casais, MT
Martínez, JL
Fernández-Díaz, MT
机构：
[1] CSIC, Inst Ciencia Mat, E-28049 Madrid, Spain
[2] Inst Max Von Laue Paul Langevin, F-38042 Grenoble 9, France
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2004年 / 272卷
关键词：
perovskite; neutron diffraction; ferromagnetism; half metal;
D O I：
10.1016/j.jmmm.2003.12.734
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Electron and hole doping effects in the ferromagnetic and structural properties of the double perovskite Sr2FeMoO6 are studied along the series Sr-2 xLaxFeMoO6 (0 less than or equal to x less than or equal to 1) and Sr2-xFeMoO6 (0 less than or equal to x less than or equal to 0.4) from neutron powder diffraction and magnetization data. Sr-deficient samples (hole doped) show moderate changes in the structure and both T-c and M-s rapidly decrease with x. On the contrary, a change from tetragonal to monoclinic symmetry and a non monotonic behaviour in T-c is found in the La-substittited series (electron doped). (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：1732 / 1733
页数：2
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