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      KCI등재

      저손실, 고투자율을 갖는 Ni - Zn - Cu ferrite의 자기적 특성 연구

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      https://www.riss.kr/link?id=A76075697

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      다국어 초록 (Multilingual Abstract)

      We have studied on the magnetic properties of the specimen with additives Bi₂O₃ and V₂O_5 that sintered at 900℃ for 4 hours for synthesizing optimal Ni-Zn-Cu ferrite. Curie temperature rises from 240℃ to 270℃ as Ni contents increase. Magnetic maximum induction(Bm) increases from 2650 G to 3300 G, 3500 G in the specimens with V₂O_5 and Bi₂O₃ respectively. On the contrary coercive force (Hc) lowers to 2.05 0e~1.05 Oe. Permeability all increase in the specimen with additives. In the specimen with additive Bi₂O₃, we have obtained the low relative loss factor of 6.3×10^(-5) ~ 7.84×10^(-5) in the range of 1 ㎒ due to increase of resistivity in grain boundary. In the specimen with additive V₂O_5 in spite of increase of permeability relative loss factor increase due to decrease of Q-value.
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      We have studied on the magnetic properties of the specimen with additives Bi₂O₃ and V₂O_5 that sintered at 900℃ for 4 hours for synthesizing optimal Ni-Zn-Cu ferrite. Curie temperature rises from 240℃ to 270℃ as Ni contents increase. Magne...

      We have studied on the magnetic properties of the specimen with additives Bi₂O₃ and V₂O_5 that sintered at 900℃ for 4 hours for synthesizing optimal Ni-Zn-Cu ferrite. Curie temperature rises from 240℃ to 270℃ as Ni contents increase. Magnetic maximum induction(Bm) increases from 2650 G to 3300 G, 3500 G in the specimens with V₂O_5 and Bi₂O₃ respectively. On the contrary coercive force (Hc) lowers to 2.05 0e~1.05 Oe. Permeability all increase in the specimen with additives. In the specimen with additive Bi₂O₃, we have obtained the low relative loss factor of 6.3×10^(-5) ~ 7.84×10^(-5) in the range of 1 ㎒ due to increase of resistivity in grain boundary. In the specimen with additive V₂O_5 in spite of increase of permeability relative loss factor increase due to decrease of Q-value.

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