Fig. 6

(a, c) Cole-Cole plots of 0.0, and 0.1 at different T of BBZTN ceramics, (b, d) The variation of Z” and M” dependent frequency of 0.0 and 0.1, (e) Cole-cole comparisons between 0.0, 0.05, and 0.1 @450 ^oC, (f) variation of Δf and cole radius dependent ΔS of (0.0, 0.05, and 0.1).