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Journal of Inorganic Materials

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2009 , Vol. 24 >Issue 2: 383 - 386

DOI: https://doi.org/10.3724/SP.J.1077.2009.00383

Research Paper

Study on Phase Structure, Dielectric and Magnetic Properties of BST/YIG Composites

  • LI Xiang ,
  • YAN Biao ,
  • DONG Gang ,
  • ZHAO Shen-Qiang ,
  • LIANG Xiao-Wei
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  • Shanghai Key Lab of Metal Functional Materials, School of Materials Sciences and Engineering, Tongji University, Shanghai 200092, China

Received date: 2008-07-01

  Revised date: 2008-09-09

  Online published: 2009-03-20

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Abstract

A series of composites were synthesized by solidstate reaction, with ferroelectric powder of BST and ferromagnetic powder of YIG as raw materials. Dielectric and magnetic properties of ferroelectricferromagnetic composites were tested. The results show that the ferroelectric/ferromagnetic composites sintered at proper temperature consist of ferroelectric phase and ferromagnetic phase. The composite materials xBST-(1-x)YIG(x=0，0.1，0.2，0.3，0.4，0.5，0.6，0.7，0.8，0.9，1.0) exhibit excellent dielectric and magnetic properties. Both ε′ and ε″ increase with the increase of BST content, and the dielectric resonant frequency shifts to a higher frequency with YIG content increasing. The permeability rises with BST content decreasing. The resonance frequency and high frequency characteristics of YIG are improved by adding BST.

Key words： ferroelectric/ferromagnetic composites; BST; YIG; inductance; capacitance

Cite this article

LI Xiang , YAN Biao , DONG Gang , ZHAO Shen-Qiang , LIANG Xiao-Wei . Study on Phase Structure, Dielectric and Magnetic Properties of BST/YIG Composites[J]. Journal of Inorganic Materials, 2009 , 24(2) : 383 -386 . DOI: 10.3724/SP.J.1077.2009.00383

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