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TitleWide-range magnetoelectric response on hybrid polymer composites based on filler type and content
Author(s)Martins, Pedro Libânio Abreu
Silva, Marco Aurélio Pinto
Reis, S.
Pereira, Nélson
Amorín, Harvey
Lanceros-Méndez, S.
Wide-range magnetic field
Issue dateFeb-2017
PublisherMDPI Publishing
CitationMartins, P., Silva, M., Reis, S., Pereira, N., Amorín, H., & Lanceros-Mendez, S. (2017). Wide-Range Magnetoelectric Response on Hybrid Polymer Composites Based on Filler Type and Content. Polymers, 9(2), 62
Abstract(s)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 solvent casting technique and their morphologic, piezoelectric, magnetic and magnetoelectric properties 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 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 increasing CoFe2O4 content. Additionally, those films showed a wide-range dual-peak ME response at room temperature with the ME coefficient increasing with weight content of Terfenol-D, from 18.6 to 42.3
Publisher version
AccessOpen access
Appears in Collections:CDF - FCD - Artigos/Papers (with refereeing)

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