Issue 50, 2016

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

Abstract

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 ∼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.

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

Supplementary files

Article information

Article type
Paper
Submitted
14 1 2016
Accepted
29 4 2016
First published
03 5 2016

RSC Adv., 2016,6, 44843-44850

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

A. Ahlawat, S. Satapathy, R. J. Choudhary, M. M. Shirolkar, M. K. Singh and P. K. Gupta, RSC Adv., 2016, 6, 44843 DOI: 10.1039/C6RA01152G

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