fig2
From: Investigation of BiFeO3-BaTiO3 lead-free piezoelectric ceramics with nonstoichiometric bismuth
Figure 2. SEM images and grain size distribution in B1+xF-BT ceramics with x = (A) -0.01, (B) 0.00, (C) 0.01, (D) 0.02, (E) 0.03, and (F) 0.04.
