Fig. 12

Activation energy variation of for furnace-cooled FC–BFBT–SZx ceramics with x = 0, 0.02, and 0.04 mol%, showing the reduction in activation energy with increasing SZ content, indicating improved conduction behavior.

Activation energy variation of for furnace-cooled FC–BFBT–SZx ceramics with x = 0, 0.02, and 0.04 mol%, showing the reduction in activation energy with increasing SZ content, indicating improved conduction behavior.