Research Article

Crystallographic, Morphological, Magnetic, and Thermal Characterization of Superparamagnetic Magnetite Nanoparticles (Fe3O4) Synthesized by Chemical Coprecipitation Method and Calcined at 250°C for 4 hr

Figure 4

(a) AFM image (topography) of Fe3O4 nanoparticles, (b) AFM image (amplitude) of Fe3O4 nanoparticles, and (c) AFM image (phase) of Fe3O4 nanoparticles.
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