Figure 3: Properties of the Nd: BaTiO3 ceramics sintered at 1300 °C for 2 h.

(a) XRD pattern of the xNd: BaTiO3 samples; (b) SEM images of the xNd: BaTiO3 ceramics; (c) Temperature dependence of the permittivity and dielectric loss for the xNd: BaTiO3 ceramic samples measured at 1 kHz; (d) Permittivity versus temperature curves of 0.5%Nd: BaTiO3 ceramics at different frequencies.