Abstract
Materials having magnetism and ferroelectricity are found to be the subject of enormous importance. Bi 1−x Nd x FeO 3 belongs to the class of materials known as ‘magnetoelectrics.’ In such materials magnetic and electric ordering is present simultaneously. Due to presence of magnetic and ferroelectric properties simultaneously these materials are found to of potential application. BiFeO3, one of the end members of the series, is mysterious material, however found to be potential material due to its distinguishable properties. The samples of Bi 1− x Nd x FeO 3 have been prepared by solid state reaction technique, characterized by X-ray diffraction technique and dielectric properties of the samples have been studied. Impedance spectroscopy is known as versatile tool to understand various contributions to dielectric measurements. In the present investigation, we have used the tool of impedance spectroscopy and experimental data has been fitted using suitable electronic circuit with circuit elements of different values. Agreement between experimental and simulated data is established by assuming a frequency dependent capacitive element. The complex impedance indicates that the samples prepared can be represented by two layer leaky capacitor which corresponds to the bulk and grain boundary phenomena at high and low frequencies.
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