Effect of iron content on quality factor of Co2Z hexagonal ferrite

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  • Egawa W.
    Graduate School of Science and Engineering, Saitama University
  • Kamishima K.
    Graduate School of Science and Engineering, Saitama University
  • Kakizaki K.
    Graduate School of Science and Engineering, Saitama University
  • Hiratsuka N.
    Graduate School of Science and Engineering, Saitama University

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  • Ｃｏ２Ｚ型フェライトのＦｅ含有量がＱｕａｌｉｔｙ　ｆａｃｔｏｒに及ぼす影響
  • Co2Zガタ フェライト ノ Fe ガンユウリョウ ガ Quality factor ニ オヨボス エイキョウ

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  Ba3Co2Fe24(1-x)O41-δ(x=0∼0.05) samples were prepared by using a conventional ceramic method. The samples had the single crystallographic phase of hexagonal Z-type ferrite. Ba3Co2Fe24(1-x)O41-δ with x =0.05 had a μ’ of 8.9 and a maximum quality factor of 66.9 at 100MHz. Because of the decrease of iron content, loss of domain wall motion is reduced. In addition, the decreases of Fe2+ ions reduces the effect of eddy current, which may cause to improve initial permeability and quality factor.

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