Effect of Zr-Substitution on the Magnetic Property of a YIG Ferrite


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Yttrium Iron Garnet (YIG) has been used as an important material in the Circulator/Isolator which is used in RF communication system, mobile phone, and satellite broadcasting, etc. In this study, we investigated the variation of electromagnetic properties of YIG ferrites for Isolator/Circulator application with Zr addition. The YIG ferrites, Y2.1Ca0.9Fe4.4-xV0.5In0.05Al0.05ZrxO12 with x=0, 0.05, 0.1 and 0.2, were prepared by the conventional ceramic sintering process. The Zr-substituted YIG ferrite, Y2.1Ca0.9Fe4.4-xV0.5In0.05Al0.05ZrxO12, showed the highest saturation magnetization (1097 gauss) at x=0.1. Good microwave properties were shown as isolation of 18.60 dB and insertion loss of 0.45 dB at x=0.2. In addition, the ferromagnetic resonance (FMR) linewidth decreased as Zr content increased



Materials Science Forum (Volumes 449-452)

Edited by:

S.-G. Kang and T. Kobayashi




S.J. Yang et al., "Effect of Zr-Substitution on the Magnetic Property of a YIG Ferrite", Materials Science Forum, Vols. 449-452, pp. 1077-1080, 2004

Online since:

March 2004




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DOI: 10.1002/crat.2170290303

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