Journal of Materials Science

, Volume 42, Issue 15, pp 6133–6138 | Cite as

Comparative study of magnesium ferrite nanocrystallites prepared by sol–gel and coprecipitation methods

  • Cui-Ping Liu
  • Ming-Wei LiEmail author
  • Zhong Cui
  • Juan-Ru Huang
  • Yi-Ling Tian
  • Tong Lin
  • Wen-Bo Mi


Magnesium ferrite particles consisting of nanocrystallites were synthesized by sol–gel and coprecipitation methods. Their mean crystalline size increased with increasing calcination temperature. At the same calcination temperature, the sol–gel-derived sample always had bigger mean crystalline size than the coprecipitation-derived sample, implying that the sol–gel method facilitated the formation of magnesium ferrite crystallites. Most of the sol–gel-derived magnesium ferrite particles had a lamellar structure consisting of nanocrystallites, which were probably derived from the porous dried gel precursor. The magnesium ferrite particles had superparamagnetic properties at 27 °C, and their saturation magnetization increased with increasing size.


Saturation Magnetization Calcination Temperature Crystalline Size Coprecipitation Method MgFe2O4 



This research was partially financial supported by the Natural Science Foundation of China (project No. 20476071).


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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  • Cui-Ping Liu
    • 1
    • 2
  • Ming-Wei Li
    • 1
    Email author
  • Zhong Cui
    • 1
  • Juan-Ru Huang
    • 1
  • Yi-Ling Tian
    • 1
  • Tong Lin
    • 1
  • Wen-Bo Mi
    • 3
  1. 1.Department of ChemistryTianjin UniversityTianjinP.R. China
  2. 2.Department of Material EngineeringTianjin Institute of Urban ConstructionTianjinP.R. China
  3. 3.Tianjin Key Laboratory of Low Dimensional Materials Physics and Preparing Technology, Institute of Advanced Materials Physics, Faculty of ScienceTianjin UniversityTianjinP.R. China

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