Phase-separation mechanism for giant magnetoresistance of lanthanum manganites

被引：29
|
作者：
Nagaev, EL
机构：
[1] Institute for High Pressure Physics
来源：
PHYSICS LETTERS A | 1996年 / 218卷 / 3-6期
关键词：
D O I：
10.1016/0375-9601(96)00372-6
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Based on the fact that the nonsaturated magnetic state of La1-xCaxMnO3 and related materials is a result of their mixed ferro-antiferromagnetic state, the possibility is investigated that such a state is caused by a thermodynamical equilibrium nonuniform oxygen distribution. Its magnetic field-induced change should lead to a giant magnetoresistance of these materials.
引用
收藏
页码：367 / 372
页数：6
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