Abstract
Nano-sized Ba-ferrite, Ni-Zn ferrite and nanocomposite ferrite were prepared by sol-gel combustion method. Nanocomposite was calcined at temperature range of for 1 h. According to the diffraction patterns, hard/soft nanocomposite was indicated to the coexistence of the magnetoplumbite structural and spinel and agree with the standard data (JCPDS 10-0325). The particle size of nanocomposite turn out to be less than 90 nm. The nanocomposite ferrite shows a single-phase magnetization behavior, implying that the hard magnetic phase and soft magnetic phase were well exchange-coupled. The specific saturation magnetization () of the nanocomposite is located between hard () and soft ferrite (). The remanence (Mr) of nanocomposite ferrite is much higher than that for the individual and ferrite. is increased, generally.
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