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http://dx.doi.org/10.4283/JKMS.2003.13.1.015

A Study on the Influence of Substituting Cu Eine Particle for CuO on NiCuZn Ferrite  

Kim, Jae-Sik (숭실대학교 자연대학 물리학과)
Koh, Jae-Gui (숭실대학교 자연대학 물리학과)
Abstract
Diffusion speed of Cu metal fine particle is fast better than CuO, so it will promote grain growth in sintering. In this paper, the influence on substituting Cu fine particle for CuO of NiCuZn ferrite with basic composition (N $i_{0.204}$C $u_{0.204}$Z $n_{0.612}$ $O_{1.02}$)F $e_{1.98}$ $O_{2.98}$ has been investigated with varying Cu/CuO ratio. The perfect spinel structure of sintered specimen at 90$0^{\circ}C$ was confirmed by the analysis of XRD patterns. The best condition was obtained when the ratio of Cu/CuO was 60%, and the permeability was 1100 and Ms was 87 emu/g in this condition. Cu has influenced on grain growth in sintering, substituting Cu fine particle for CuO could lower sintering temperature over the 3$0^{\circ}C$. After sintering, substituting Cu performed as good as CuO.s CuO.s CuO.
Keywords
fine particle; substituting; diffusion speed;
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Times Cited By KSCI : 4  (Citation Analysis)
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