Figure 8

Dependence of dielectric loss of the (a) BT–Fe₃O₄/PVDF composites and (b) BT–Fe₃O₄/PVDF# composites on frequency at room temperature. Dependence of conductivity of the (c) BT–Fe₃O₄/PVDF composites and (d) BT–Fe₃O₄/PVDF# composites on frequency at room temperature.