Switchable voltage control of the magnetic anisotropy in heterostructured nanocomposites of CoFe/NiFe/PZT

被引：0
|
作者：
Nguyen Thi Minh Hong
Nguyen Ba Doan
Nguyen Huy Tiep
Le Viet Cuong
Bui Nguyen Quoc Trinh
Pham Duc Thang
Dong-Hyun Kim
机构：
[1] University of Engineering and Technology,Faculty of Engineering Physics and Nanotechnology and Laboratory for Micro and Nanotechnology
[2] Vietnam National University,Department of Physics
[3] Chungbuk National University,undefined
来源：
Journal of the Korean Physical Society | 2013年 / 63卷
关键词：
Ferroelectrics; Ferromagnetics; Multiferroics; Nanocomposites;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this work, we study the magnetic properties of a CoFe/NiFe/PZT heterostructured nanocomposite that is affected by the strain in the PZT substrate when a voltage in the range from −250 to 250 V is applied. An interesting electric-voltage-controlled magnetic anisotropy, with a relative increase in magnetization up to above 100%, is observed. This brings a new challenge to operate a low-power-consuming spin electronic device. We also utilize a theoretical model based on interfacecharge-mediated and strain-mediated magnetic-electric coupling to understand the change in the magnetic properties of the investigated material.
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页码：812 / 816
页数：4
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