Electric-field control of magnetism in the flexible CoFeB/P(VDF-TrFE) multiferroic heterostructures

被引：4
|
作者：
Tang, Zhenhua [1 ,2 ]
Deng, Yonghe [1 ]
Ge, Feng [3 ]
Ni, Hao [2 ,5 ]
Chen, Liping [2 ]
Cheng, Chuanpin [1 ]
Tang, Minghua [4 ]
Gao, Ju [2 ]
机构：
[1] Hunan Inst Engn, Coll Sci, Xiangtan 411104, Hunan, Peoples R China
[2] Univ Hong Kong, Dept Phys, Pokfulam Rd, Hong Kong, Hong Kong, Peoples R China
[3] Changsha City Investment Grp, Changsha 410011, Hunan, Peoples R China
[4] Xiangtan Univ, Minist Educ, Key Lab Low Dimens Mat & Applicat Technol, Xiangtan 411105, Hunan, Peoples R China
[5] China Univ Petr, Coll Sci, Qingdao 266580, Shandong, Peoples R China
来源：
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS | 2017年 / 223卷
关键词：
Flexible multiferroic heterostructures; Polymer ferroelectric; Magnetic anisotropy; Magnetoelectric coupling; Electric field control of magnetization; FILMS; TEMPERATURE; DEPENDENCE; PVDF; SKIN;
D O I：
10.1016/j.mseb.2017.05.005
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Flexible multiferroic heterostructures of ferromagnetic Co40Fe40B20/ferroelectric copolymer polyvinylidene fluoride-trifluoroethylene [CoFeB/P(VDF-TrFE)] were fabricated by DC sputtering. The structure, ferroelectric behaviours along with remnant polarization (2P(r)) of 2.4 mu C/cm(2) at room temperature, saturated magnetizations around 900 emu/cm(3) were measured in the novel composites. Moreover, the direct electric field control of magnetic properties and the mechanisms of magnetoelectric (ME) coupling in the flexible CoFeB/P(VDF-TrFE) heterostructures were investigated, and the strong strain-mediated ME effect originating from voltage-induced piezo-strain was demonstrated. These results show the good prospects in application of flexible spintronic devices. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：125 / 130
页数：6
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