Abstract
The perovskite A(B′B′′B′′′)O3 structure Pb(Fe0.585Nb0.25W0.165)O3 (PFNW) multiferroic material was synthesized by single step solid state reaction method. The single phase was achieved at low temperature with optimized synthesis parameters as calcination (700°C/2hr) and sintering (800 °C /3hr). Single phase was confirmed by room temperature (RT) X-ray diffraction (XRD). The scanning electron microscopy (SEM) shows the uniform distribution of grains throughout the surface of PFNW and the energy dispersive X-ray spectroscopy (EDX) confirms the exact elemental composition as that of the experimental. Fourier transform infrared spectroscopy (FTIR) exhibits two absorption bands at 602 cm−1 and 1385 cm−1 corresponds to the bending and stretching vibrations of metal oxides. RT dielectric studies (dielectric constant, tanδ, AC conductivity) exhibits maximum values at lower frequency region and decreases as the frequency increases. Thesingle semicircular arc in RT impedance spectra (Nyquist plot)indicatesthe contr...
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