Preparation of magnetoelectric composites by nucleation of the electroactive β-phase of poly(vinylidene fluoride) by NiZnFe2O4 nanoparticles

The Portuguese Foundation for Science and Technology (FCT) for financial support under the POCTI and FEDER programs and the PTDC/CTM/69316/2006 and NANO/NMed-SD/0156/2007 projects. P. Martins thanks FCT grant SFRH/BD/45265/2008.