719087.fig.006a
(a)
719087.fig.006b
(b)
719087.fig.006c
(c)
719087.fig.006d
(d)
Figure 6: SEM images of α-BiTaO4 synthesized by the flux method with a mix ratio of Flux : Ta2O5 of ((a), (b)) 30 : 2 (run no. 5) and ((c), (d)) 30 : 4 (run no. 6).