fig6
From: Investigation of BiFeO3-BaTiO3 lead-free piezoelectric ceramics with nonstoichiometric bismuth
Figure 6. Ferroelectric properties of (A) PE loops at 60 kV/cm and associated (B) Pr and EC of the B1+xF-BT ceramics. (C) SE loops at 60 kV/cm and (D) d33 and d*33 as a function of x concentration for the B1+xF-BT ceramics; the inset image shows the temperature dependence of d33 for x = 0.01.
