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http://dx.doi.org/10.4313/JKEM.2002.15.2.178

The Influence of Re2O3(RDy, Er) on the Electromagnetic Properties of Mn-Zn Ferrite  

백승철 (원광대학교 전자재료공학과)
최우성 (원광대학교 전자재료공학과)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.15, no.2, 2002 , pp. 178-183 More about this Journal
Abstract
The effects of Dy$_2$O$_3$and Er$_2$O$_3$addition on the electromagnetic properties of Mn-Zn ferrite were investigated in the doping concentration range from 0.05 wt% to 0.25 wt%. All samples were prepared by standard fabrication of ferrite ceramics. The XRD patterns of sample were observed spinel and secondary phase. The densities of sample were showed nearly constant values. As the increased additive, electrical resistivity, initial permeability and real component of the series complex permeability increased with setting limits each other. Excess doped with Dy$_2$O$_3$ and Er$_2$O$_3$, those values decreased. The maximum electrical resistivity was observed with 0.15 we% and initial permeability was observed with 0.05 wt%. Magnetic loss decreased with additive and then increased in proportion to increased.
Keywords
Ferrite; Permeability; Magnetic loss; Rare earth;
Citations & Related Records
Times Cited By KSCI : 9  (Citation Analysis)
연도 인용수 순위
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