Fig. 8: Analysis of local electric displacement in composites.
From: Enhanced dielectric constant and energy density in a BaTiO3/polymer-matrix composite sponge
The simulated distribution by FEA of electric displacement in composites of a epoxy/BT sponge, b epoxy/BT NWs, and c epoxy/BT NPs. d Comparison of the simulated maximum (Simulation-Dmax) and minimum electric displacement (Simulation-Dmin) and the experimental electric displacement (Exp.−D) at 100 kV cm−1 for epoxy/BT sponge, epoxy/BT NWs, and epoxy/BT NPs composites. e The simulated distribution by FEA of electric field in the epoxy/BT sponge composite. f, g Experimentally measured SKPM surface potential (Vsp) distributions of the epoxy/BT sponge composite (scale bars: 20 μm).
