- Structural, morphological, and dielectric properties of lead-free BaFe1/2Nb1/2O3 based ceramics: toward a deeper understanding of the dielectric mechanisms
a–c Nyquist plot Z″ vs. Z′ at low temperatures range fitted with R-CPE equivalent circuit model. d–f Nyquist plot Z″ vs. Z′ at high temperatures range fitted with R-CPE equivalent circuit model. g Equivalent circuit model used for fitting non-ideal (Cole–Cole) behavior