Figure 4From: Fe3O4–Au and Fe2O3–Au Hybrid Nanorods: Layer-by-Layer Assembly Synthesis and Their Magnetic and Optical PropertiesMorphological and structural characterizations of Fe2O3–Au hybrid nanorods synthesized by annealing of FeOOH–Au hybrid nanorods under air atmosphere: a XRD pattern; b SEM image; c TEM image; d HRTEM imageBack to article page