Preparation and exchange bias of a Cr2O3/(La0.7Sr0.3)MnO3 magnetic hetero junction

被引：3
|
作者：
Yokota, Takeshi [1 ]
Kuribayashi, Takaaki [1 ]
Murata, Shotaro [1 ]
Gomi, Manabu [1 ]
机构：
[1] Nagoya Inst Technol, Grad Sch Engn, Showa Ku, Nagoya, Aichi 4668555, Japan
来源：
ELECTROCERAMICS IN JAPAN XI | 2009年 / 388卷
关键词：
Magneto-electric materials; Dielectric properties; Exchange interaction; Epitaxial growth; Thin film; MAGNETORESISTANCE;
D O I：
10.4028/www.scientific.net/KEM.388.289
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We investigated the magnetic interaction between antiferromagnetic, magnetoelectric Cr2O3 film and ferromagnetic La0.7Sr0.3MnO3 film, which shows colossal magneto-resistance. Magnetic properties and structural analyses revealed that a decrease in the thickness of La0.7Sr0.3MnO3 films gives rise to a change in magnetic anisotropy from perpendicular to in-plane. The exchange interaction between Cr2O3 and La0.7Sr0.3MnO3 also changed depending on the magnetic properties of La0.7Sr0.3MnO3. This suggests that the crystallographical control and the selection of a suitable thickness of La0.7Sr0.3MnO3 are important to obtain an exchange interaction in the magnetic hetero system using colossal magneto-resistance material.
引用
收藏
页码：289 / 292
页数：4
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