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A Facile Low-Temperature Synthesis of MnLa x Fe 2 − x O4 Nanoferrites with Structural and Electrical Characterization

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Abstract

A series of nanocrystalline lanthanum-substituted manganese ferrite having compositional formula MnLaxFe2−xO4 (x = 0.02, 0.04, 0.06, 0.08, 0.10) were synthesized by a chemical co-precipitation method. Phase analysis was carried out using XRD. It reveals the formation of spinel phase without any unwanted secondary phases. The formation of single-phase spinel structure was supported by FTIR studies. Microstructural study was carried out using SEM. Elemental composition was studied using EDX. Electrical properties namely frequency variation of dielectric constant, dielectric loss tangent, and ac conductivity of prepared nanoferrites were studied. The observed electrical properties were discussed and explained in terms of hopping mechanism of charge carrier in ferrites.

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Acknowledgments

The authors are grateful to DST-SAIF, Kochi, for SEM measurement and Department of Physics, Manipur University, for EDX measurement. The authors would also like to thank the Department of Chemistry, NIT Manipur, for XRD and FTIR measurement.

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Authors and Affiliations

  1. Department of Physics, National Institute of Technology Manipur, Langol, Imphal, Manipur, 795004, India

    Elangbam Chitra Devi & Ibetombi Soibam

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  1. Elangbam Chitra Devi
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  2. Ibetombi Soibam
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Correspondence to Elangbam Chitra Devi.

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Devi, E.C., Soibam, I. A Facile Low-Temperature Synthesis of MnLa x Fe 2 − x O4 Nanoferrites with Structural and Electrical Characterization. J Supercond Nov Magn 31, 1615–1621 (2018). https://doi.org/10.1007/s10948-017-4376-y

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  • DOI: https://doi.org/10.1007/s10948-017-4376-y

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