Abstract
A polycrystalline sample of (Bi1/2Na1/2)(Fe2/3W1/3)O3 was synthesized by high-temperature solid-state reaction technique. Calcination temperature and thermal stability of the material were analyzed by thermogravimetric analysis. X-ray diffraction analysis reveals a phase transformation from rhombohedral to orthorhombic due to Na and W co-doping in BFO. Electrical properties of the material were measured in a wide temperature range of 30–450°C, at different frequencies (100 Hz–1 MHz). Dielectric study revealed that the prepared material had a Neel temperature at 325°C. Direct current conductivity was found to obey the Arrhenius relationship. The value of activation energy was found to be 0.67 eV for the grain (175–450°C) and 0.94 eV for the grain boundary (200–450°C). The enhanced magnetic property of the synthesized material was evaluated from the magnetization–magnetic field loop study.
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Ahmed, S., Barik, S.K. Studies of Thermal, Impedance and Magnetic Properties of (Bi1/2Na1/2)(Fe2/3W1/3)O3 Multiferroics. J. Electron. Mater. 46, 1030–1040 (2017). https://doi.org/10.1007/s11664-016-4998-z
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DOI: https://doi.org/10.1007/s11664-016-4998-z