Abstract
In the present paper, structural, microstructural, dielectric, electrical, and magnetic characteristics of a chemically synthesized double perovskite compound BiMgFeCeO6 have been reported. An analysis of room temperature X-ray diffraction data has shown formation of compound with orthorhombic symmetry. Study of micrographs of the pellets has shown the homogeneous distribution of grains, grain boundaries, and presence of required elements in the sample. Detailed studies of dielectric (εr, tan δ) and impedance parameters of the material have provided an insight into the electrical properties and understanding of types of relaxation process occurred in the material. The semiconductor characteristic (i.e., negative temperature coefficient of resistance behavior) of the compound at high temperature has been observed in the temperature-dependent dc conductivity study. As the characteristics of the frequency dependence of ac conductivity of the material follow Jonscher’s universal power law, the validity of analysis and good quality of the sample are confirmed. The occurrence of ferroelectric polarization (hysteresis loop), magnetization loop, and magnetoelectric pattern in the material confirms the multiferroicity in it.
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Acknowledgments
The authors are grateful to Dr. Satyabati Das, Indian Institute of Technology, Bhubaneswar, India, and Professor. Perumal Alagarsamy, I I T Guwahati, Assam, India, for their kind help in some experimental work.
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Parida, K., Choudhary, R.N.P. Structural, Electrical, and Magnetic Characteristics of Chemically Synthesized Lead-Free Double Perovskite: BiMgFeCeO6. J Supercond Nov Magn 33, 3493–3500 (2020). https://doi.org/10.1007/s10948-020-05605-z
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DOI: https://doi.org/10.1007/s10948-020-05605-z