Journal of Magnetics

The Korean Magnetics Society (한국자기학회)
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The Microstructure and Magnetic Properties of YIG Powders Synthesized by a Coprecipitaion and a Sonochemical Process

  • Hong, Seong-Min (Department of Materials Science and Engineering, Chungnam National University) ;
  • Kim, Yong-Il (Korea Research Institute of Standard and Science) ;
  • Kim, Cheol-Gi (Department of Materials Science and Engineering, Chungnam National University)
  • Published : 2009.12.31
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Abstract

Nano-sized Yttrium iron garnet (YIG;$Y_3Fe_5O_{12}$) particles have been synthesized by using coprecipitation and a heat treatment process. The YIG particles were made using a nitrate or a chloride salt solution. The pH concentration of the solution was fixed at 12. Spherical shaped YIG particles were made with a size of about 20 nm. The magnetization value of the particles was smaller than the bulk value but their coercive field showed a high value.

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