Abstract
Polycrystalline films of MnxZnyFe3-x-yO4 with a spine1 structure were synthesized from a highly alkaline (pH=13) aqueous solution containing FeC13, MnC12, ZnC12, and KNaC4H4O6(R ochelle salt). The metal ions, Fe3+,M n2+,and Zn2+, were chelated with Rochelle salt, which prevented them from being precipitated in the high pH region. The solubility limit, x, of the Mn ions was much higher (reaching up to 1.5) than that (x≤∼0.12) obtained in conventional ferrite plating by using a neutral (pH∼7) aqueous solution.On the other hand, the solubility of the Zn ions was lower than that obtained by using a neutral aqueous solution.
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