Fig. 5: Stability and charge/discharge performance of PL0.06ZSH ceramic.

a P-E loops under different temperatures at 50 kV mm⁻¹. b P-E loops under different frequencies at 50 kV mm⁻¹. c W_rec and η as a function of temperature at 50 kV mm⁻¹. d W_rec and η as a function of frequency at 50 kV mm⁻¹. e P_D as a function of electric field. f W_D as a function of electric field.