Structural, dielectric, impedance and conductivity studies of Ba(Fe_0.5Nb_0.5)O₃ nanomaterial prepared by the mechanochemical method

Abstract

Ba(Fe_0.5Nb_0.5)O₃ [BFN] nanomaterial sample was prepared by the solid-state reaction method. The various structural parameters have been calculated by the Rietveld refinement method using cubic crystal symmetry with Pm $\overline{3}$ m space group. The microstructural analysis has been carried out by the Field Emission Scanning Electron Microscopy (FESEM).The complex impedance spectroscopy of the BFN nanomaterial has been analyzed in a wide range of temperature (40 °C–400 °C) and frequency(1 kHz–1 MHz).The correlation between microstructure with electrical transport properties of Barium Iron Niobate (BFN) nanomaterial has been reported.

KEYWORDS:

• Rietveld refinement method
• FESEM
• complex impedance spectroscopy

Acknowledgments

The authors would like to acknowledge IIT Patna India for providing enriched research environment. Two of the authors also acknowledge V.K.S. University (Ara) and Patna University (Patna) for providing the working platform.