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The main purpose of this research work is to develop the single domain magnetic particles of M-type Barium hexa-ferrite having composition of BaFe12O19 using oxide precursors using conventional powder metallurgy technique. The phase formation and magnetic performance of the powders and magnets will be optimized by adjusting calcination and sintering temperatures. The synthesis of M-Type Barium hexa-ferrite carried out in two sections. A series of four samples have been prepared by initial wet mixed powders calcined at different temperatures i.e. 750, 850, 950 and 1050oC. On the basis of structural analysis the sample calcined at 950oC has been selected and further divided into four parts to sintered them at 1100, 1150, 1200 and 1250oC. These are characterized through Differential Scanning calorimetric (DSC), X-ray Diffractometer (XRD), Diamond Structure visualization software, Fourier transform infrared (FTIR), Scanning electron microscope (SEM) and DC-Magnetometer. The structural measurements depict the confirmation of M-Type Barium Hexa-ferrite structure. SEM micrographs show the hexagonal shaped like grains. The coercivity of the sample sintered at 1250oC has a minimum value.