Synthesis and characterization of nickel ferrites obtained by the combustion method

Keywords: Characterization, Synthesis, Ferrites

Abstract

NiFe₂O₄ ceramic powders were synthesized by the combustion route, using citric acid as fuel. The precursors used were Ni(NO₃)₂.6H2O and Fe(NO₃)₃.9H2O. The synthesis was carried out at an average temperature of 600°C in an air atmosphere, developing the reaction in approximately 15 minutes. Subsequently, a heat treatment was applied at 1000°C for 8 hours in an air atmosphere. The phase analysis was performed by means of X-ray diffraction. They are also characterized by scanning electron microscopy and a semi-quantitative chemical analysis is applied. The results indicate having obtained a single NiFe2O4 phase. The magnetism of the powders was verified, obtaining an excellent magnetic response for the sample subjected to heat treatment.

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Published
2014-09-01
How to Cite
Maya-Dorantes, C., Legorreta-García , F., & Arenas-Flores, A. (2014). Synthesis and characterization of nickel ferrites obtained by the combustion method. Tópicos De Investigación En Ciencias De La Tierra Y Materiales, 1(1), 126-133. https://doi.org/10.29057/aactm.v1i1.9945