Mutual control of magnetization and electrical polarization by electric and magnetic fields at room temperature in Y-type BaSrCo2-xZnxFe11AlO22 ceramics

被引：82

作者：

Hirose, Sakyo ^{[1
]}

Haruki, Kohei ^{[2
]}

Ando, Akira ^{[1
]}

Kimura, Tsuyoshi ^{[2
]}

机构：

[1] Murata Mfg Co Ltd, Nagaokakyo, Kyoto 6178555, Japan

[2] Osaka Univ, Div Mat Phys, Grad Sch Engn Sci, Toyonaka, Osaka 5608531, Japan

来源：

APPLIED PHYSICS LETTERS | 2014年 / 104卷 / 02期

关键词：

HELIMAGNET;

D O I：

10.1063/1.4862432

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Magnetoelectric (ME) properties were investigated for BaSrCo2-xZnxFe11AlO22 ceramics with the Y-type hexaferrite structure. This system exhibits a magnetic ordering above room temperature (RT) and high electrical resistivity exceeding 500 M Omega.cm by annealing under 10 atm O-2. It is found that the samples with x <= 0.4 exhibit the robust ME effect with a reversal of electrical polarization induced by a low magnetic field at RT. Moreover, the electric-field-induced magnetization switching is also observed at RT. These results clearly demonstrate the mutual control of magnetization and electrical polarization at RT in the Y-type hexaferrite system. (C) 2014 AIP Publishing LLC.

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页数：4

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