In order to improve soft magnetic properties of electrodeposited Fe-Ni films prepared in a citric-acid-based bath, we investigated the effect of the current density on the grain size and the coercivity of Fe22Ni 78 and Fe35Ni65 films. Consequently, we confirmed that increase in a current density reduces the coercivity and the grain size. This result suggests the exchange softening effect works effectively by the reduction in the grain size. We confirmed that the increase in the current density is effective to improve in soft magnetic properties of Fe-Ni films electrodeposited in the citric-acid-based bath.
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