The Electric and Dielectric Properties of the ZnNi-Ferrite Plated Nife Microspheres Synthesized from Aqueous Solution

C. M. Fu*, C. Y. Hsu, Y. C. Chao, D. S. Kim, N. Matsushita, M. Abe

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

4 引文 斯高帕斯(Scopus)

摘要

We have performed systematical study of the impedance spectra and dielectric modulus on the Ni-Fe microspheres encapsulated with the ZnNi-ferrite by ultrasonic assisted ferrite plating process. The equivalent electric circuit composed of resistance and capacitance has been utilized in analog of the electrical and dielectric properties of the microspheric composites. The result of analysis implies that the resistive ferrite layer and ZnNi-ferrite/NiFe-spheres interface inhibit the eddy currents path and, thus causing enhancement of the dynamic magnetization. Both temperature and field variation of impedance provide evidence of the tunneling conduction in the microspheric composites, signifying existing of Ferromagnet/Insulator/ Ferromagnet (F/I/F) structure.

原文英語
頁(從 - 到)3136-3138
頁數3
期刊IEEE Transactions on Magnetics
39
發行號5 II
DOIs
出版狀態已發佈 - 2003 九月 1

ASJC Scopus subject areas

  • 電子、光磁材料
  • 電氣與電子工程

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