Fig. 2

The comparison of scanning electron micrographs of rGO/ γ-Fe2O3 nanocomposite at (a) ×10,000 and (b) ×40,000 magnifications.
The comparison of scanning electron micrographs of rGO/ γ-Fe2O3 nanocomposite at (a) ×10,000 and (b) ×40,000 magnifications.