Theory of the giant magnetoresistance in La(1-x)A(x)MnO(3)

被引：11
|
作者：
Kataoka, M
机构：
[1] Department of Material Science, College of Science and Engineering, Iwaki Meisei University, Iwaki 970
来源：
CZECHOSLOVAK JOURNAL OF PHYSICS | 1996年 / 46卷
关键词：
D O I：
10.1007/BF02570920
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
To clarify the origin of the giant magentoresistance (GMR) observed in La-1-x A(x)MnO(3) (A(2+)=Sr2+, Pb2+, Ba2+ and Ca2+), we have investigated theoretically the electrical resistivity rho of carriers in the background of Mn spins which interact with each other through the double exchange interaction. It had been found that extraordinary large pin fluctuations caused by the instability of the ferromagnetic state are responsible for the transport anomalies including the GMR.
引用
收藏
页码：1857 / 1858
页数：2
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