Abstract
A series of M-type lanthanum substituted strontium cobalt hexaferrites, Sr0.5Co0.5LaxFe12-xO19 (x = 0.0, 0.05, 0.15 and 0.2) was synthesized using the simple heat treatment method. The synthesized hexagonal ferrites were calcinated at 950 °C and 1050 °C for 3 hrs in a muffle furnace and then slowly cooled to room temperature. X-ray diffraction (XRD) technique and magnetic hysteresis loops were used to investigate the structural and magnetic properties of prepared samples respectively. The X-ray diffraction analysis of all the samples shows the presence of M- type hexagonal ferrite and hematite phases. Room temperature magnetic hysteresis loops analysis shows the increase in saturation magnetization with the increase in lanthanum substitution.
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