A simple two step synthesis of Fe2O3 hollow micro spheres and their magnetic pro

A simple two-step synthesis of Fe2O3 hollow micro spheres and their magnetic properties，Ni Shibin，Pan Qingtao ，Fe2O3 microspheres with core-shell structure have been synthesized by a simple two-step method of hydrothermal synthesis and subsequent annealing. X-ray diffraction (XRD) patterns