Magnetic-instability-induced giant magnetoelectric coupling

被引：52

作者：

Ravindran, Ponniah ^{[1
]}

Vidya, Ravindran ^{[1
]}

Eriksson, Olle ^{[2
]}

Fjellvag, Helmer ^{[1
]}

机构：

[1] Univ Oslo, Dept Chem, Ctr Mat Sci & Nanotechnol, N-0315 Oslo, Norway

[2] Uppsala Univ, Dept Phys, S-75121 Uppsala, Sweden

来源：

ADVANCED MATERIALS | 2008年 / 20卷 / 07期

关键词：

D O I：

10.1002/adma.200701889

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Multifunctional materials such as magnetoelectrics can be used in novel device applications. Magnetism and ferroelectricity coexist in some materials, but the coupling between them is very small to use them in devices. Using density functional calculations we have shown that BiCoO3 (see figure) has large magneto-electric coupling owing to metamagnetism arising from a spin state transition of cobalt ion.

引用

页码：1353 / +

页数：5

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