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Synthesis, structural and electrical properties of spinel LiNi0.5Mn1.5O4 synthesized by sol–gel method

  • Original Paper: Sol-gel and hybrid materials for dielectric, electronic, magnetic and ferroelectric applications
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Abstract

In this present work, we have discussed about the synthesis of LiNi0.5Mn1.5O4 by microwave-assisted sol–gel method using glycine as a chelating agent. The structural, morphological and chemical compositions of the synthesized material are confirmed using XRD, SEM with EDX and ICP, respectively. Dielectric measurements are analyzed in the frequency range of 50 Hz to 5 MHz under the temperature between 308 and 783 K. Nyquist plot observed the non-Debye type-behavior and analyzed the individual contribution of grain, grain boundary and interfacial effect in the material. Activation energy from the Arrhenius plot and the relaxation time from the impedance spectroscopy have been analyzed. Conductivity shows the two distinct dispersion regions analyzed with jump relaxation model.

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Acknowledgments

Authors are grateful to VIT University for providing major financial support and excellent research facilities. The authors also thank Prof. S. Kalainathan, VIT University for providing the facilities to carry out dielectric studies.

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Authors and Affiliations

  1. School of Advanced Sciences, VIT University, Vellore, 632014, India

    Laurel Simon Lobo & A. Ruban Kumar

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  1. Laurel Simon Lobo
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  2. A. Ruban Kumar
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Correspondence to A. Ruban Kumar.

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Lobo, L.S., Kumar, A.R. Synthesis, structural and electrical properties of spinel LiNi0.5Mn1.5O4 synthesized by sol–gel method. J Sol-Gel Sci Technol 80, 821–826 (2016). https://doi.org/10.1007/s10971-016-4150-9

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  • DOI: https://doi.org/10.1007/s10971-016-4150-9

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