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Polymers 2017, 9(2), 62; doi:10.3390/polym9020062

Wide-Range Magnetoelectric Response on Hybrid Polymer Composites Based on Filler Type and Content

1
Centro de Física, Universidade do Minho, 4710-057 Braga, Portugal
2
Centro Algoritmi, Universidade do Minho, 4800-058 Guimarães, Portugal
3
Instituto de Ciencia de Materiales de Madrid, CSIC, Cantoblanco, 28049 Madrid, Spain
4
BCMaterials, Parque Científico y Tecnológico de Bizkaia, 48160 Derio, Spain
5
IKERBASQUE, Basque Foundation for Science, 48013 Bilbao, Spain
*
Author to whom correspondence should be addressed.
Academic Editors: Joannis K. Kallitsis, Georgios Bokias and Valadoula Deimede
Received: 14 December 2016 / Revised: 16 January 2017 / Accepted: 9 February 2017 / Published: 14 February 2017
(This article belongs to the Special Issue Hybrid Polymeric Materials)
View Full-Text   |   Download PDF [1390 KB, uploaded 14 February 2017]   |  

Abstract

In order to obtain a wide-range magnetoelectric (ME) response on a ME nanocomposite that matches industry requirements, Tb0.3Dy0.7Fe1.92 (Terfenol-D)/CoFe2O4/P(VDF-TrFE) flexible films were produced by the solvent casting technique and their morphologic, piezoelectric, magnetic and magnetoelectric properties were investigated. The obtained composites revealed a high piezoelectric response (≈−18 pC·N−1) that is independent of the weight ratio between the fillers. In turn, the magnetic properties of the composites were influenced by the composite composition. It was found that the magnetization saturation values decreased with the increasing CoFe2O4 content (from 18.5 to 13.3 emu·g−1) while the magnetization and coercive field values increased (from 3.7 to 5.5 emu·g−1 and from 355.7 to 1225.2 Oe, respectively) with the increasing CoFe2O4 content. Additionally, the films showed a wide-range dual-peak ME response at room temperature with the ME coefficient increasing with the weight content of Terfenol-D, from 18.6 to 42.3 mV·cm−1·Oe−1. View Full-Text
Keywords: magnetoelectric; composite; magnetostrictive; piezoelectric; wide-range magnetic field magnetoelectric; composite; magnetostrictive; piezoelectric; wide-range magnetic field
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Martins, P.; Silva, M.; Reis, S.; Pereira, N.; Amorín, H.; Lanceros-Mendez, S. Wide-Range Magnetoelectric Response on Hybrid Polymer Composites Based on Filler Type and Content. Polymers 2017, 9, 62.

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