“…Fe 3 O 4 nanoparticles are normally obtained by various chemical-based synthetic methods, including coprecipitation, the reverse micelle method, microwave piasma synthesis, sol-gel techniques, freeze drying, ultrosound irradiation, hydrothermal methods, laser pyrolysis techniques, and therm decomposition of organometallic and coordination compound [2,[12][13][14][15][16][17][18][19][20][21][22]. However, in most of these approaches, the sizes of the as-synthesized products are below 30 nm and their size-distribution can only be controlled to few extent.…”