Abstract
For this work, Sr0.8La0.2Fe11.8Co0.2O19 hexaferrite powders were manufactured, using the chemical co-precipitation method. Major and minor magnetization loops recorded at room temperature show that the optima hard magnetic properties are achieved when the calcination temperature is 1000°C. SEM, TEM and XRD measurements show that the 1000°C calcined powder consists of single hexaferrite phase fine particles with a mean diameter of 90nm. From remanence magnetization, coercivity, magnetic viscosity and irreversible susceptibility measurements there can be concluded that the powder consists of single domain magnetic particles of platelet shape.
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