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    Synthesis of Ni-Zn Ferrite by Sol-Gel Method and Its Electromagnetic Loss Property
    LIU Shu-xin WANG Hai-bin LUO Juan HUO Ji-chuan YAO Xiao-xia
       2009, 9 (6): 1227-1231.  
    Abstract2304)      PDF (382KB)(535)       Save
    NixZn1-xFe2O4 ferrite was synthesized by sol-gel method with Zn(NO3)2×6H2O, Ni(NO3)2×6H2O and Fe(NO3)3×9H2O and C6H8O7·H2O as raw materials. The product was characterized and analyzed. The results indicated that all the products were single phase of cubic crystal system spinel structure ferrite and all the crystals were crystallized with good integrality. The size of particles was about 100 nm. Electromagnetic loss property of the sample was tested. The results indicated that Ni0.7Zn0.3Fe2O4 and Ni0.5Zn0.5Fe2O4 had a better magnetic loss property than Zn2Fe2O4 and Ni0.3Zn0.7Fe2O4 in 0.2~1.8 GHz. The tgd of Ni0.7Zn0.3Fe2O4 was 0.67~1.59, and that of Ni0.5Zn0.5Fe2O4 0.37~1.51. The electromagnetic loss of Ni-Zn ferrite increased with the increase of Ni content.
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