Investigations on controlled-size-precipitated cobalt ferrite nanoparticles

Vinod Kumar, Anu Rana, Nitu Kumar, Rajendra P. Pant

Research output: Contribution to journalArticlepeer-review

26 Citations (Scopus)

Abstract

Size-dependent nanocrystalline cobalt ferrite (CoFe2O 4) particles have been synthesized by coprecipitation and investigated in detail. The effects of reducing the particle size on physical properties like crystalline phase, crystallite size, lattice strain, IR absorption, thermomagnetic measurements, and magnetization parameter are studied. Structural parameters in relevance to the shape and size of nanoparticles are discussed. The crystalline phase of cobalt ferrite remains stable down to 5 nm. Size-dependent magnetization and the effect of surface area are presented. Characterization of samples has been performed using X-ray diffractometer, transmission electron microscope, Fourier transform infrared spectrophotometer, vibrating sample magnetometer, and thermogravimetric analysis techniques.

Original languageEnglish
Pages (from-to)120-126
Number of pages7
JournalInternational Journal of Applied Ceramic Technology
Volume8
Issue number1
DOIs
Publication statusPublished - Jan 2011
Externally publishedYes

ASJC Scopus subject areas

  • Ceramics and Composites
  • Condensed Matter Physics
  • Marketing
  • Materials Chemistry

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