Converse Magnetoelectric Effect in a Fe-Ga/PMN-PT Laminated Multiferroic Heterostructure for Field Generator Applications

被引：12
|
作者：
Fitchorov, Trifon [1 ,2 ]
Chen, Yajie [1 ,2 ]
Jiang, Liping [3 ]
Zhang, Guangrui [3 ]
Zhao, Zengqi [3 ]
Vittoria, Carmine [1 ,2 ]
Harris, Vincent G. [1 ,2 ]
机构：
[1] Northeastern Univ, Ctr Microwave Magnet Mat & Integrated Circuits, Boston, MA 02115 USA
[2] Northeastern Univ, Dept Elect & Comp Engn, Boston, MA 02115 USA
[3] Baotou Res Inst Rare Earths, Baotou 014030, Inner Mongolia, Peoples R China
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2011年 / 47卷 / 10期
基金：
美国国家科学基金会;
关键词：
Converse magnetoelectric effect; field generator; Galfenol; multiferroic heterostructure; ALLOYS;
D O I：
10.1109/TMAG.2011.2151255
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We design a multiferroic laminated heterostructure composed of a Fe-Ga magnetostrictive layer and a PMN-PT piezoelectric layer and examine the converse magnetoelectric effect (CME). Such a heterostructure is potentially useful as a magnetic field generator, which can be used in the tuning of microwave devices. Magnetization, magnetic coercivity, remanence, and squareness exhibit pronounced hysteretic behavior and potential for tuning with an applied electric field. We obtain alpha(E) = 12.5 Oe cm kV(-1). The deformation of the PMN-PT under an applied electric field results in an internal stress-induced magnetic field, with an experimentally determined value of similar to 100 Oe. The tunable range of fringe fields generated by the stress-induced field is predicted to be 104 Oe. The results will establish a foundation in the design of E-field tunable magnetic devices.
引用
收藏
页码：4050 / 4053
页数：4
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