First principles prediction of interfacial magnetoelectric coupling in tetragonal La2/3Sr1/3MnO3/BiFeO3 multiferroic superlattices

被引：5
|
作者：
Feng, Nan [1 ]
Mi, Wenbo [1 ]
Wang, Xiaocha [2 ]
机构：
[1] Tianjin Univ, Fac Sci, Tianjin Key Lab Low Dimens Mat Phys & Preparat Te, Tianjin 300072, Peoples R China
[2] Tianjin Univ Technol, Sch Elect Informat Engn, Tianjin Key Lab Film Elect & Commun Devices, Tianjin 300384, Peoples R China
来源：
PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2015年 / 17卷 / 20期
关键词：
EXCHANGE BIAS; MAGNETISM;
D O I：
10.1039/c5cp01857a
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The electronic structure and magnetic properties of the tetragonal La2/3Sr1/3MnO3/BiFeO3 multiferroic superlattices with different interfacial terminations have been studied by first-principles calculations. Our results for all the models of the tetragonal La2/3Sr1/3MnO3/BiFeO3 superlattices exhibit a metallic electronic structure. More importantly, we find that the magnetoelectric coupling can be realized in the tetragonal La2/3Sr1/3MnO3/BiFeO3 heterostructures by means of exchange bias, which can be attributed to the interfacial exchange coupling. These findings are useful for magnetoelectrically controlled spintronic devices.
引用
收藏
页码：13647 / 13653
页数：7
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