Features of the magnetoelectric properties of BiFeO3 in high magnetic fields

被引：78

作者：

Popov, YF ^{[1
]}

Kadomtseva, AM ^{[1
]}

Krotov, SS ^{[1
]}

Belov, DV ^{[1
]}

Vorob'ev, GP ^{[1
]}

Makhov, PN ^{[1
]}

Zvezdin, AK ^{[1
]}

机构：

[1] Moscow MV Lomonosov State Univ, Moscow 119899, Russia

来源：

LOW TEMPERATURE PHYSICS | 2001年 / 27卷 / 06期

关键词：

D O I：

10.1063/1.1382990

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

It is shown that the destruction of the cycloidal structure of the magnetic ferroelectric BiFeO3 by a high magnetic field (H(n)approximate to 200 kOe) leads to the onset of a linear magnetoelectric effect and the appearance of a toroidal moment. The proof of the existence of a toroidal moment T in a high magnetic field (H >H-n) is based on the experimental observation that the off-diagonal components of the linear ME effect tensor are asymmetric (alpha (12)=-alpha (21) for L parallel toc, where L is the antiferromagnetic vector), inasmuch as T(z)similar to alpha (12)-alpha (21). (C) 2001 American Institute of Physics.

引用

页码：478 / 479

页数：2

共 11 条

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