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NiCuZn ferrite의 특성에 미치는 조성의 영향
남중희(J. H. Nam),정현학(H. H. Jung),신재영(J. Y. Shin),오재희(J. H. Oh) 한국자기학회 1995 韓國磁氣學會誌 Vol.5 No.3
NiCuZn ferrites were prepared by a solid-state reaction and sintered at 900℃ for 5 hours. Its properties were investigated by controlling the ferrite composition and processing. NiCuZn ferrite with a composition of (Ni_(0.2)Cu_(0.2)Zn_(0.6)O)_(1.02)(Fe₂O₃)_(0.98) was found to have the maximum initial permeability as a result of the variation of Cu content and the (Ni+Cu) / Zn ratio. Curie temperature(Tc) of NiCuZn ferrite was decreased with the larger Cu content and increased with the larger Ni content. NiCuZn ferrites of (Ni_(0.2)Cu_(0.2)Zn_(0.6)O)_(1-w)(Fe₂O₃)_(1+w) composition milled for 20~80 hours had the maximum initial permeability at w=-0.015 and Curie temperature(Tc) was decreased with the increasing of Fe₂O₃ deficiency(w).