Abstract

FeMn codeposits were prepared by electrodeposition from an acidic sulphate bath and their magnetic susceptibility was studied. The results were used to understand the correlation between plating parameters and the magnetic susceptibility of electrodeposited alloys. Depending upon the plating conditions, three types of variations of the magnetic susceptibility with applied field were observed. An increase in plating current density resulted in pronounced antiferromagnetic coupling between manganese atoms. With large concentrations of iron in the bath, codeposits with mictomagnetic phases occurred. Unique magnetic phases appear to exist in the codeposits on varying the concentration of manganese in the plating bath.

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