Ferroelectric control of magnetism in P(VDF-TrFE)/Co heterostructure

被引：8

作者：

Zhao, Xiaolin ^{[1
,2
]}

Zhang, Yao ^{[3
]}

Wang, Jianlu ^{[1
]}

Zhan, Qingfeng ^{[3
]}

Wang, Xudong ^{[1
]}

Huang, Hai ^{[1
,2
]}

Tian, Bobo ^{[1
,2
]}

Lin, Tie ^{[1
]}

Sun, Shuo ^{[1
]}

Tian, Li ^{[4
]}

Han, Li ^{[1
]}

Sun, Jinglan ^{[1
]}

Meng, Xiangjian ^{[1
]}

Chu, Junhao ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Tech Phys, Natl Lab Infrared Phys, Shanghai 200083, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[3] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China

[4] Hunan Inst Engn, Xiangtan 411101, Peoples R China

来源：

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2015年 / 26卷 / 10期

基金：

上海市自然科学基金;

关键词：

LANGMUIR-BLODGETT-FILMS; ELECTRIC-FIELD; THIN-FILMS; MULTIFERROICS; FERROMAGNETISM;

D O I：

10.1007/s10854-015-3385-5

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：

Multiferroic magnetoelectric composite systems such as ferroelectric and ferromagnetic heterostructures have attracted an interest recently and have the potential applications such as four state memories, magnetic sensor and spintronics. In this study, we focus on the ferroelectric copolymer/ferromagnetic Co multiferroic film. The ferroelectric copolymer poly(vinylidene fluoride-trifluoroethylene) was fabricated by Langmuir-Blodgett deposition technique. Large magnetization changes of the Co films emerge in response to ferroelectric switching of poly(vinylidene fluoride-trifluoroethylene) controlled by applied electric field. The magnetization of the Co films was detected by the magneto-optical Kerr effect system. Although ferroelectric polymer poly(vinylidene fluoride-trifluoroethylene) have the lower piezoelectric coefficient about 30 pC/N than inorganic ferroelectrics, interface strain coupling is also the primary mechanism altering the induced magnetic anisotropy in the poly(vinylidene fluoride-trifluoroethylene)/Co heterostructure.

引用

页码：7502 / 7506

页数：5

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