Fig. 9

(a, b) Bi-polar P-I-E loops of BBZTNx ceramics, (c) Uni-polar P-E loops a @50 kV/cm, (d) Pmax, Pr and ΔP of all BBZTNx, (e) Unipolar P-E loop and (f) Wrec and ƞ of (0.0, 0.05, and 0.1) at 200 kV/cm.

(a, b) Bi-polar P-I-E loops of BBZTNx ceramics, (c) Uni-polar P-E loops a @50 kV/cm, (d) Pmax, Pr and ΔP of all BBZTNx, (e) Unipolar P-E loop and (f) Wrec and ƞ of (0.0, 0.05, and 0.1) at 200 kV/cm.