Preparation and Characterization of Magnetic Nano Particles

Magnetic nano particles have prime importance in the development of magneticrecorders, semi conducting devices, water treatment. The increasing in magnetization givesbest result in environmental fields. In this study, prepared Ca(OH)2, MgO, MnO2 and Fe2O3nanoparticles in optimum size and shape. Fe2O3 magnetic nanoparticle is doped withTitanium and magnesium to alter its magnetic nature towards paramagnetic fromFerromagnetic and also MnO2 Magnetic nature altered towards ferromagnetic fromAntiferromagnetic. In this study XRD is employed to identify the crystal structure andlattice arrangement of Ca(OH)2, MgO, MnO2 and Fe2O3 doped with Ti and Mg showstrigonal, cubic, tetragonal and trigonal (rhombohedral) respectively. The atomic arrangementand magnetic symmetry are calculated for Ti doped Fe2O3. It shows the magnetic symmetry ofTi doped Fe2O3 is P4332 normal Fe2O3 shows R¯3 the change in the symmetry is due to thedoping affect the lattice arrangement. In MnO2 it shows I4/m' as magnetic symmetry. SEManalysis employs to confirm the nano particle size and shape of the nano particles.