First-principles approach to lattice-mediated magnetoelectric effects

被引：85

作者：

Iniguez, Jorge ^{[1
]}

机构：

[1] ICMAB CSIC, Bellaterra 08193, Spain

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 101卷 / 11期

关键词：

D O I：

10.1103/PhysRevLett.101.117201

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present a first-principles scheme for the computation of the linear magnetoelectric response of magnetic insulators. We focus on the lattice-mediated part of the response, which we argue can be expected to be dominant in materials displaying strong magnetoelectric couplings. We apply our method to Cr2O3 and show that its low-temperature response has a significant lattice character.

引用

页数：4

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