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TitleInduced magnetoelectric effect driven by magnetization in BaFe12O19/P(VDF-TrFE) composites
Author(s)Guttierrez, J.
Lasheras, A.
Barandiaran, J. M.
Goncalves, R.
Martins, Pedro Libânio Abreu
Lanceros-Méndez, S.
KeywordsBarium ferrite
Piezoelectric P(VDF-TrFE),
Composite films
Magnetoelectric effect
Issue date2015
CitationGuttierrez, J., Lasheras, A., Barandiaran, J. M., Goncalves, R., Martins, P., & Lanceros-Mendez, S. (2015). Induced magnetoelectric effect driven by magnetization in BaFe<inf>12</inf>O<inf>19</inf>/P(VDF-TrFE) composites. Paper presented at the 2015 IEEE International Magnetics Conference, INTERMAG 2015.
Abstract(s)Films of BaFe12O19/P(VDF-TrFE) composites with 5, 10 and 20 %wt Barium ferrite content have been fabricated. BaFe12O19 microparticles have the shape of thin hexagonal platelets, the easy direction of magnetization remaining along the c axis, which is perpendicular to the plates. This fact allows for ferrite particles orientation in-plane and out-of-plane within the composite films, as confirmed by measured hysteresis loops. While the in-plane induced magnetoelectric effect (ME) is practically zero, these composite films show a good out-of-plane magnetoelectric effect. with maximum ME coupling coefficient changes of 3, 17 and 2 mV/cm.Oe for the 5, 10 and 20%wt Barium ferrite content films, respectively. We infer that this ME behavior appears as driven by the magnetization process arising when we applied the external magnetic field. We have also measured linear and reversible magnetoelectric effect for low applied bias field, when magnetization process is still reversible.
TypeConference paper
AccessRestricted access (UMinho)
Appears in Collections:CDF - FCD - Artigos/Papers (with refereeing)

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