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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Gutierrez, J.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (19/19 displayed)
- 2021Carbon Fibers Coated with Ternary Ni-Co-Se Alloy Particles as a Low-Cost Counter Electrode for Flexible Dye Sensitized Solar Cellscitations
- 2017Polarized Neutron Study of Ni-Mn-Ga Alloys: Site-Specific Spin Density Affected by Martensitic Transformationcitations
- 2016Electronic optimization for an energy harvesting system based on magnetoelectric Metglas/poly(vinylidene fluoride)/Metglas compositescitations
- 2016Martensitic transformation and magnetic field induced effects in Ni42Co8Mn39Sn11 metamagnetic shape memory alloycitations
- 2016Characterization of aerosols and fibers emitted from composite materials combustioncitations
- 2016Characterization of Metglas/poly(vinylidene fluoride)/Metglas magnetoelectric laminates for AC/DC magnetic sensor applicationscitations
- 2016Optimized anisotropic magnetoelectric response of Fe<inf>61.6</inf>Co<inf>16.4</inf>Si<inf>10.8</inf>B<inf>11.2</inf>/PVDF/Fe<inf>61.6</inf>Co<inf>16.4</inf>Si<inf>10.8</inf>B<inf>11.2</inf> laminates for AC/DC magnetic field sensingcitations
- 2015Metallic glass/PVDF magnetoelectric energy harvester working up to the radiofrequency rangecitations
- 2015Induced magnetoelectric effect driven by magnetization in BaFe<inf>12</inf>O<inf>19</inf>- P(VDF-TrFE) Compositescitations
- 2014Synthesis and characterization of novel piezoelectric nitrile copolyimide films for high temperature sensor applicationscitations
- 2012Dielectric and magnetic properties of ferrite/poly(vinylidene fluoride) nanocompositescitations
- 2012Room temperature magnetic response of sputter deposited TbDyFe films as a function of the deposition parameterscitations
- 2012Room temperature magnetic response of sputter deposited TbDyFe films as a function of the deposition parameterscitations
- 2011Optimising piezoelectric and magnetoelectric responses on CoFe2O4/P(VDF-TrFE) nanocompositescitations
- 2011Optimizing piezoelectric and magnetoelectric responses on CoFe <inf>2</inf> O <inf>4</inf> /P(VDF-TrFE) nanocompositescitations
- 2010Mapping of carbon nanotubes in the polystyrene domains of a polystyrene-b-polyisoprene-b-polystyrene block copolymer matrix using electrostatic force microscopycitations
- 2008Rearrangement of twin variants in ferromagnetic shape memory alloy–polyurethane composites studied by stroboscopic neutron diffractioncitations
- 2008Self-assembling of SBS block copolymers as templates for conductive silver nanocompositescitations
- 2006Mossbauer study of the martensitic transformation in a Ni-Fe-Ga shape memory alloycitations
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article
Dielectric and magnetic properties of ferrite/poly(vinylidene fluoride) nanocomposites
Abstract
Particulate composite films of poly(vinylidene fluoride) and CoFe2O4 and NiFe2O4 ferrites were prepared from solvent casting and melt processing. The well dispersed ferrite nanoparticles nucleate the piezoelectric -phase of the polymer, but the different ferrites nucleate the whole polymer crystalline phase at different filler concentrations. The macroscopic magnetic and dielectric response of the composites demonstrates a strong dependence on the volume fraction of ferrite nanoparticles, with both magnetization and dielectric constant increasing for increasing filler content. The β-relaxation in the composite samples is similar to the one observed for -PVDF obtained by stretching. A superparamagnetic behavior was observed for NiFe2O4/PVDF composites, whereas CoFe2O4/PVDF samples develop a hysteresis cycle with coercivity of 0.3 T. ; This work is funded by FEDER funds through the "Programa Operacional Factores de Competitividade - COMPETE" and by national funds by FCT - Fundacao para a Ciencia e a Tecnologia, project references NANO/NMed-SD/0156/2007 and PTDC/CTM/69316/2006. P. Martins thanks the support of the FCT under grant SFRH/BD/45265/2008. Technical and human support for magnetic measurements provided by SGIker (UPV/EHU, MICINN, GV/EJ, ESF) is gratefully acknowledged. J. M. Barandiaran and J. Gutierrez want to thank financial support from the Basque Government Industry Department under Project Actimat (ETORTEK-IE10-272).