Tunable room temperature magnetoelectric response of SmFeO3/poly(vinylidene fluoride) nanocomposite films

被引：41
作者：
Ahlawat, Anju [1 ]
Satapathy, Srinibas [1 ]
Choudhary, Ram J. [2 ]
Shirolkar, Mandar M. [3 ]
Singh, Mrigendra K. [1 ]
Gupta, Pradeep K. [1 ]
机构：
[1] Raja Ramanna Ctr Adv Technol, Nanofunct Mat Lab, Laser Mat Dev & Devices Div, Indore 452013, Madhya Pradesh, India
[2] UGC DAE Consortium Sci Res, Indore 452017, Madhya Pradesh, India
[3] Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China
来源：
RSC ADVANCES | 2016年 / 6卷 / 50期
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
SPIN REORIENTATION; COMPOSITES; COPOLYMER; PVDF;
D O I：
10.1039/c6ra01152g
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We report the results of our studies on the tailored magnetoelectric response of a polymer based nanocomposite system comprising of varying SmFeO3 filler volume percentage embedded in a poly(vinylidene fluoride) (PVDF) matrix. The ME induced voltage was observed to increase with an increase in the SmFeO3 filler concentration from 1% to 20%. For composite films with 20% SmFeO3 concentration an induced voltage of similar to 5.2 mV cm(-1) Oe(-1) was obtained at 1 kHz. Such a large magnetoelectric response is attributed to intensive interfacial interaction caused by dense packing of magnetostrictive SmFeO3 in the piezoelectric matrix of PVDF. Further, poling of composite films by application of an electric field was observed to lead to a saturated magnetization hysteresis loop caused by reorientation of the magnetization of SmFeO3. This electric field mediated manipulation of magnetic properties in SmFeO3/PVDF holds great potential for low-energy-consuming spintronics devices.
引用
收藏
页码：44843 / 44850
页数：8
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