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니켈 - 아연 페라이트복합재의 자기적특성과 전파흡수특성
조성백(S. B. Cho),오재희(J. H. Oh) 한국자기학회 1993 한국자기학회지 Vol.3 No.2
The relationship between magnetic parameter and microwave absorbing performance evaluation factor of electomagnetic wave absorber such as matching frequency, matching thickness were investigated for Ni-Zn ferrite composites. It was identified that the maximum value of μ_r is shift to low frequency with decrese Ni / Zn ratio and the value of μ_r is maximum in the case of Ni / Zn=1. All Ni-Zn ferrite composites in this study have two matching frequencies in 1-12 ㎓ frequency. It can be suggested that f_(m1) is proportional to resonance frequency and f_(m2) is proportional to the saturation magnetization.