Influence of the granule size on the magnetocaloric properties of manganite La0.5Ca0.5MnO3

被引：0
|
作者：
A. G. Gamzatov
A. B. Batdalov
A. M. Aliev
P. Amirzadeh
P. Kameli
H. Ahmadvand
H. Salamati
机构：
[1] Daghestan Scientific Centre of the Russian Academy of Sciences,Amirkhanov Institute of Physics
[2] Isfahan University of Technology,Department of Physics
来源：
Physics of the Solid State | 2013年 / 55卷
关键词：
Manganite; Granule Size; Magnetocaloric Effect; Ferro Magnetic; Ground Magnetic State;
D O I：
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中图分类号：
学科分类号：
摘要：
The influence of the granule size on the magnetic and magnetocaloric properties of ceramic sample of manganite La0.5Ca0.5MnO3 has been investigated. Anomalies indicating the coexistence of the ferromagnetic metallic and antiferromagnetic charge-ordered phases below TC have been found in the temperature dependence of the magnetocaloric effect. It has been shown that a decrease in the granule size to 90 nm leads to the complete suppression of the antiferromagnetic charge-ordered phase.
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页码：502 / 507
页数：5
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