526434.fig.003a
(a)
526434.fig.003b
(b)
526434.fig.003c
(c)
526434.fig.003d
(d)
Figure 3: Scanning electron micrograph of Fe2O3 and CdFe2O4 compacts thermally treated at 500° and 600°C for 3 h: (a) F500, (b) F600, (c) CF500, and (d) CF600.