Figure 2

SEM images of the (Na0.5Bi0.5)(Mo1−xWx)O4 (a) x = 0.0 (fractured surface), (b) x = 0.5 and (c) x = 1.0 ceramics sintered at 720 °C for 2 hr.

SEM images of the (Na0.5Bi0.5)(Mo1−xWx)O4 (a) x = 0.0 (fractured surface), (b) x = 0.5 and (c) x = 1.0 ceramics sintered at 720 °C for 2 hr.