A new class of magnetic materials:: Sr2FeMoO6 and related compounds

被引：166

作者：

Sarma, DD ^{[1
]}

机构：

[1] Indian Inst Sci, Solid State & Struct Chem Unit, Bangalore 560012, Karnataka, India

[2] Indian Inst Sci, Jawaharlal Nehru Ctr Adv Sci Res, Bangalore 560012, Karnataka, India

来源：

CURRENT OPINION IN SOLID STATE & MATERIALS SCIENCE | 2001年 / 5卷 / 04期

关键词：

magnetic materials; Sr2FeMoO6; double perovskites; dilute magnetic semiconductors (DMS);

D O I：

10.1016/S1359-0286(01)00014-6

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Ordered double perovskite oxides of the general formula A(2)BB'O-6 have been known for several decades to have interesting electronic and magnetic properties. However, a recent report of a spectacular negative magnetoresistance effect in a specific member of this family, namely Sr2FeMoO6, has brought this class of compounds under intense scrutiny. It is now believed that the origin of the magnetism in this class of compounds is based on a novel kinetically-driven mechanism. This new mechanism is also likely to be responsible for the unusually high temperature ferromagnetism in several other systems, such as dilute magnetic semiconductors, as well as in various half-metallic ferromagnetic systems, such as Heussler alloys. (C) 2001 Elsevier Science Ltd. All rights reserved.

引用

页码：261 / 268

页数：8

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