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.

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收藏

页码：1732 / 1733

页数：2

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