Synthesis of Magnetite Nanoparticles by Top-Down Approach from a High Purity Ore

Figure 4

(a) STEM image of MAG-Ole-Grd-5 after being dispersed in ethanol obtained using HITACHI SU6600 scanning electron microscope. (b) Distribution of magnetite nanoparticles of MAG-Ole-Grd-5 tabulated using the particle size of several STEM images.

(a)

(b)