Ferroelectric polarization reversal by a magnetic field in multiferroic y-type hexaferrite Ba2Mg2Fe12O22

被引：94

作者：

Taniguchi, Kouji ^{[1
]}

Abe, Nobuyuki ^{[2
]}

Ohtani, Shintaro ^{[2
]}

Umetsu, Hiroshi ^{[2
]}

Arima, Taka-hisa ^{[1
]}

机构：

[1] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Sendai, Miyagi 9808577, Japan

[2] Tohoku Univ, Dept Phys, Grad Sch Sci, Sendai, Miyagi 9808577, Japan

来源：

APPLIED PHYSICS EXPRESS | 2008年 / 1卷 / 03期

关键词：

Barium compounds - Ferrite - Ferroelectric materials - Ferroelectricity - Iron compounds - Magnetic domains - Magnetic storage - Domain walls - Polarization - Magnetization reversal - Magnesium compounds;

D O I：

10.1143/APEX.1.031301

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Coexistence of the ferroelectric polarization and spontaneous magnetization has been found in Y-type hexaferrite Ba2Mg2Fe12O22. The reversal of magnetization by a small magnetic field below similar to 0.02T accompanies an electric polarization reversal through the clamping of ferrimagnetic and ferroelectric domain walls. This behavior can be potentially used as a magnetically rewritable ferroelectric memory and an electrically rewritable magnetic memory. (C) 2008 The Japan Society of Applied Physics.

引用

页码：0313011 / 0313013

页数：3

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