Ferroelectric and Ferromagnetic Properties of Ordered Double Perovskite Superlattice: Pr2NiMnO6/La2NiMnO6

被引：1

作者：

Lu, Haipeng ^{[1
,2
]}

Sun, Xun ^{[1
]}

Hou, Zhihua ^{[1
]}

Dong, Chen ^{[1
]}

Deng, Longjiang ^{[1
,2
]}

机构：

[1] Univ Elect Sci & Technol China, Natl Engn Res Ctr Electromagnet Radiat Control Ma, Chengdu 610054, Peoples R China

[2] Univ Elect Sci & Technol China, State Key Lab Elect Thin Films & Integrated Devic, Chengdu 610054, Peoples R China

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2015年 / 51卷 / 11期

关键词：

Double perovskite; first-principles; multiferroic; superlattice; ROOM-TEMPERATURE;

D O I：

10.1109/TMAG.2015.2448636

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Perovskite oxides display rich physical properties, especially multiferroic properties. In this paper, the ground- state structural, electronic, and magnetic properties of multiferroic material Pr2NiMnO6/La2NiMnO6 superlattice are calculated using the firstprinciples method. Our results show that the ground state of this system is semiconductor. Ni and Mn of B site arrange alternatively along [111] direction. The ground- state structure is computed as a monoclinic phase with space group P2(1), and the superlattice has obvious distortion. Electronic and magnetic structures indicate that our system has ferromagnetic ordering. A ferroelectric polarization is predicted as 2.91 mu C/cm(2), consistent with the large antipolar displacements of A site ions. Besides, the relationship between the direction of spontaneous polarization and the order of substitution in neighboring AO layers is explained.

引用

页数：4

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