Figure 4

(a) Hysteresis loops of cube-like Fe3O4 nanoparticles, and particle size dependence of (b) saturation magnetization and (c) remanent magnetization for all Fe3O4 nanoparticles.
(a) Hysteresis loops of cube-like Fe3O4 nanoparticles, and particle size dependence of (b) saturation magnetization and (c) remanent magnetization for all Fe3O4 nanoparticles.