Magnetoresistivity of La0.7Sr0.3MnO3/Sb2O3 glass composites at room temperature

被引：7
|
作者：
Kabirov, Yu V. [1 ]
Gavrilyachenko, V. G. [1 ]
Bogatin, A. S. [1 ]
Chupakhina, T. I. [2 ]
Gavrilyachenko, T. V. [1 ]
机构：
[1] Southern Fed Univ, Ul Bolshaya Sadovaya 105-42, Rostov Na Donu 344006, Russia
[2] Russian Acad Sci, Ural Branch, Inst Solid State Chem, Ekaterinburg 620990, Russia
来源：
PHYSICS OF THE SOLID STATE | 2015年 / 57卷 / 01期
基金：
俄罗斯基础研究基金会;
关键词：
Manganite; Barrier Layer; Tunnel Junction; Magnetic Tunnel Junction; Glass Composite;
D O I：
10.1134/S1063783415010138
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The ceramic composites La0.7Sr0.3MnO3/Sb2O3 with different weight ratios of the components have been synthesized. Their magnetoresistive properties have been studied in weak magnetic fields. The values of negative isotropic magnetoresistance of the 90%La0.7Sr0.3MnO3/10% Sb2O3 composites at room temperature are found to be 1.2% and 14% for 0.25 and 20 kOe, respectively. The observed increase in magnetoresistance with an increase in the field has specific features of the relaxation process.
引用
收藏
页码：14 / 17
页数：4
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