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Synthesis, characterization, and AC studies of magnesium ferrite/niobium oxide (MgFe2O4–Nb2O5) nanocomposite at room temperature

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Abstract

We investigated the AC electrical response of MgFe2O4–Nb2O5 nanocomposite. A simple auto-combustion approach was used to synthesize MgFe2O4. The nanocomposite made of MgFe2O4–Nb2O5 was effectively made by using a basic mechanical alloying-technique. The FTIR, XRD, SEM, and EDX methods were used for the structural characterization of elaborated nanocomposites. The dielectric studies indicate that the Nb2O5 reduces the grain resistance when doped in Mg ferrite. As compared to MgFe2O4–Nb2O5 nanocomposites, the AC conductivity for the nanocomposite MgFe2O4 and Nb2O5 increased. The polarization mechanism of conductivity is explained by permittivity and impedance spectroscopy. The increase in conductivity of nanocomposite is due to the effect of Nb2O5 on relaxation time and grain boundaries found in cole–cole plot.

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There are no grants for this research study.

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Authors and Affiliations

  1. Department of Physics, VTU-Research Center, JNN College of Engineering, Shimoga, 577204, India

    S. Kotresh, N. Anilkumar & H. G. Rajprakash

  2. Department of Chemistry, S.S.Tegoor Degree College, Gubbi Colony, Kalaburagi, Karnataka, 585104, India

    Aashish. S. Roy

  3. School for Advanced Research in Petrochemicals, Central Institute of Petrochemicals Engineering & Technology (CIPET), Chennai, 600032, India

    Adhigan Murali

  4. Department of Physics, Government First Grade College, Gurumitkal, Karnataka, 585124, India

    Ameena Parveen

  5. Department of Physics, Faculty of Science, University of Tabuk, Tabuk, 71491, Kingdom of Saudi Arabia

    Nacer Badi

  6. Nanotechnology Research Unit, University of Tabuk, Tabuk, 71491, Kingdom of Saudi Arabia

    Nacer Badi

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  1. S. Kotresh
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  2. Aashish. S. Roy
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  3. Adhigan Murali
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  5. N. Anilkumar
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  6. H. G. Rajprakash
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  7. Nacer Badi
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Contributions

KS and ASR—both the authors actively involved in the designing of project and preparation of the materials. AM and AP—both have been helped us in characterizations of nanocomposites. NA, HGR, and NB—all the three authors involved in the manuscript framework, editing and finalizing of the nanocomposites.

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Correspondence to Aashish. S. Roy.

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Kotresh, S., Roy, A.S., Murali, A. et al. Synthesis, characterization, and AC studies of magnesium ferrite/niobium oxide (MgFe2O4–Nb2O5) nanocomposite at room temperature. J Mater Sci: Mater Electron 33, 12976–12983 (2022). https://doi.org/10.1007/s10854-022-08239-0

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  • DOI: https://doi.org/10.1007/s10854-022-08239-0

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