キレート化フェライトメッキ法による MnZn フェライト膜の作製

抄録

Polycrystalline films of Mn_xZn_yFe_3-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.