Abstract
In this work, nanostructure FeMnO3 perovskite material was synthesis by sol–gel auto combustion method using the glycine as a chelating agent for the first time in the literature. The synthesized materials were investigated structural, electrical, and magnetic properties by various characterization techniques. The X-ray diffraction reveals that the density and specific surface value are 2.54 g/cm3 and 1.468 m2/g, respectively. FE-SEM investigated surface morphology in the nanoscale region. The FeMnO3 material is existing antiferromagnetism at room temperature. Electrical property such as dielectric constant, tangent loss, and impedance spectrum, Nyquist plot with an equivalent circuit, AC conductivity, and electric modulus was analysed. The real part of permittivity, dielectric tangent loss with varying with temperature shows that the behaviour of Maxwell–Wagner relaxation in the FeMnO3 might be observed oxygen vacancy. The Nyquist plot gives more information-related electrical conduction process and individual contribution of grain and grain boundaries. The resistance (Ω) and capacitance (farads) values are varied with increasing temperature. An electric modulus value is varied under suppression electrode polarization and shows the effect of bulk and grain boundaries.
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Gowreesan, S., Ruban Kumar, A. Structural, magnetic, and electrical property of nanocrystalline perovskite structure of iron manganite (FeMnO3). Appl. Phys. A 123, 689 (2017). https://doi.org/10.1007/s00339-017-1302-x
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DOI: https://doi.org/10.1007/s00339-017-1302-x