Fig. 4
From: Enhanced nonlinear optical properties of GO and Fe3O4-Modified CuMn2O4 nanocomposites

Scanning electron microscope (SEM) graphs of specimens: (a) CuMn2O4; (b) CuMn2O4GO; (c) CuMn2O4GOFe3O4.
From: Enhanced nonlinear optical properties of GO and Fe3O4-Modified CuMn2O4 nanocomposites

Scanning electron microscope (SEM) graphs of specimens: (a) CuMn2O4; (b) CuMn2O4GO; (c) CuMn2O4GOFe3O4.