Synthesis and characterization of superparamagnetic fe3o4 nanoparticles for ferrofluid application

G. S. Shahane, K. V. Zipare, R. P. Pant

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)

Abstract

Nanocrystalline Fe3O4 particles of controlled size were synthesized by a chemical coprecipitation method. X-ray diffraction patterns confirm the synthesis of single crystalline phase of Fe3O4 nanoparticles with the lattice parameter 8.4090 A°. The particle size is 11.5 nm and increases to 20 nm after annealing. TEM image shows that the sample contains well dispersed nanoparticles with an average particle size of the order of 20 nm. Magnetic measurements show the superparamagnetic nature of the sample that is also confirmed by EPR measurements. The saturation magnetization is 42 emu/g. The results are explained adequately.

Original languageEnglish
Pages (from-to)317-321
Number of pages5
JournalMagnetohydrodynamics
Volume49
Issue number3-4
DOIs
Publication statusPublished - 2013
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy
  • Electrical and Electronic Engineering

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