Induced magneto-electric coupling in ferroelectric/ferromagnetic heterostructures

被引：9
|
作者：
Carvell, Jeffrey [1 ]
Cheng, Ruihua [1 ]
Dowben, P. A. [2 ]
Yang, Q. [3 ]
机构：
[1] Indiana Univ Purdue Univ, Dept Phys, Indianapolis, IN 46202 USA
[2] Univ Nebraska, Nebraska Ctr Mat & Nanosci, Dept Phys & Astron, Lincoln, NE 68588 USA
[3] Univ Rhode Isl, Dept Elect & Comp Engn, Kingston, RI 02881 USA
来源：
APPLIED PHYSICS LETTERS | 2013年 / 103卷 / 07期
基金：
美国国家科学基金会;
关键词：
FERROELECTRIC CONTROL; MULTIFERROICS;
D O I：
10.1063/1.4818455
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Using an external magnetic field, we have demonstrated room temperature control of the electric polarization of a ferroelectric polymer, polyvinylidene fluoride (PVDF), in an artificial multiferroic structure. For ferroelectric PVDF polymer thin films in an iron-PVDF-iron heterostructure, both the ferroelectric coercivity and polarization display a hysteresis dependence on the external magnetic field. We also find that the thickness of the PVDF layer has an effect on the magnetoelectric coupling in our samples. We observe a giant magnetoelectric coupling with values as large as 3700 V/cm Oe to 41700 V/cm Oe. (C) 2013 AIP Publishing LLC.
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页数：4
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