Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/45326

TitleSynthesis and size dependent magnetostrictive response of ferrite nanoparticles and their application in magnetoelectric polymer-based multiferroic sensors
Author(s)Gonçalves, R.
Larrea, A.
Sebastian, M. S.
Sebastian, V.
Martins, Pedro Libânio Abreu
Lanceros-Méndez, S.
KeywordsMagnetoelectrics
Nanocomposites
Magnetostriction
Piezoelectric polymers
Issue date2016
PublisherRoyal Society of Chemistry
JournalJournal of Materials Chemistry C
CitationGoncalves, R., Larrea, A., Sebastian, M. S., Sebastian, V., Martins, P., & Lanceros-Mendez, S. (2016). Synthesis and size dependent magnetostrictive response of ferrite nanoparticles and their application in magnetoelectric polymer-based multiferroic sensors. Journal of Materials Chemistry C, 4(45), 10701-10706. doi: 10.1039/c6tc04188d
Abstract(s)This work shows that it is possible to synthesize, chemically tailor and optimize the magnetostriction of ferrite nanoparticles and improve the magnetoelectric (ME) response of their multiferroic composites. Thus, Fe3O4 nanoparticles with different sizes have been synthesized by a solvothermal procedure and an oxidative hydrolysis method. The first method results in nanoparticles with 9 nm average size and 167 ppm magnetostriction; the second one in nanoparticles with average sizes of 30 nm and 50 nm and magnetostriction of 17 ppm and 26 ppm, respectively. Furthermore, Fe3O4/P(VDF-TrFE) multiferroic nanocomposites were produced with those nanoparticles, showing ME voltage coefficients (α31) of 920 μV cm−1 Oe−1, 100 μV cm−1 Oe−1 and 150 μV cm−1 Oe−1, respectively, for samples fabricated with nanoparticles with 9 nm, 30 nm and 50 nm average size. The high magnetostrictive response and the biocompatibility of ferrite nanoparticles, together with their anhysteretic magnetic response, enhance their application potential for biomedical applications as well as their use in high performance ME materials for sensors and actuators.
TypeArticle
URIhttp://hdl.handle.net/1822/45326
DOI10.1039/c6tc04188d
ISSN2050-7526
e-ISSN2050-7534
Peer-Reviewedyes
AccessRestricted access (UMinho)
Appears in Collections:CDF - FCD - Artigos/Papers (with refereeing)

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