Facile synthesis of nanosized ε-Fe2O3 particles on the silica support

  • G. A. Bukhtiyarova
  • M. A. Shuvaeva
  • O. A. Bayukov
  • S. S. Yakushkin
  • O. N. Martyanov
Research Paper

Abstract

An approach is suggested to synthesize the ε-Fe2O3 particles supported on silica with the mean size of few nanometers, narrow size distribution and no admixture of any other iron oxide polymorphs. The facile synthesis is based on the pore filling impregnation method by iron sulfate (II) water solution with the following annealing procedure at ~1173 K. It is shown that the ε-Fe2O3 nanoparticles obtained are stable up to ~1173 K and possess superparamagnetic behavior up to ~870 K.

Keywords

Supported nanoparticles Heterogeneous catalysts Synthesis Magnetic nanoparticles Electron spin resonance 

Notes

Acknowledgment

The work was supported by Presidium of RAS through the program “Basic researches of nanomaterials and nanotechnologies”, project 27.46.

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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  • G. A. Bukhtiyarova
    • 1
  • M. A. Shuvaeva
    • 1
  • O. A. Bayukov
    • 2
  • S. S. Yakushkin
    • 1
  • O. N. Martyanov
    • 1
  1. 1.Boreskov Institute of CatalysisRussian Academy of SciencesNovosibirskRussia
  2. 2.Kirensky Institute of PhysicsRussian Academy of SciencesKrasnoyarskRussia

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