Abstract
The effect of barium titanate (BaTiO3) nanoparticles (particle size <100nm) on the ferroelectric properties of poly (vinylidenefluoride-trifluoroethylene) P(VDF-TrFE) copolymer has been studied. Different concentrations of nanoparticles were added to P(VDF-TrFE) using probe sonication, and uniform thin films were made. Polarisation - Electric field (P-E) hysteresis analysis shows an increase in remnant polarization (Pr) and decrease in coercive voltage (Vc). Piezo-response force microscopy analysis shows the switching capability of the polymercomposite. The topography and surface roughness was studied using atomic force microscopy. It has been observed that this nanocomposite can be used for the fabrication of non-volatile ferroelectric memorydevices.
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