“…To this end, some effective methods have emerged, including uniaxial or biaxial drawing [4], film-casting via polar solvents [5], electrospinning [6], quenching and poling of the film [7] and rapid thermal treatment [8], etc. In addition, adding nanofillers, such as barium titanate ceramic filler, nanoclay, or ferrite nanoparticles into the PVDF matrix, have attracted most attentions for its simplicity and effectiveness [6,[9][10][11][12]. In particularly, the addition of magnetic nanoparticles bring added value to the use of PVDF nanocomposites, which has been attracting an increased interest due to its innovative potential applications in data storage, switching, magnetic sensors, transducers and resonators [1], etc.…”