Abstract
The polycrystalline double perovskite Li2GdFeTiO6 was synthesized through the solid-state mixed oxide method and its preliminary crystal structure was investigated by the XRD technique. The structure of the material was identified to be tetragonal with space group P4bm using POWD and MATCH software. The morphology of the sample was investigated through a scanning electron microscope (SEM) and the average grain size was found to be 3.82 μm using the intercept technique. The investigation of the perovskite phase and various vibrational modes were carried out through FTIR spectroscopic technique. The bandgap (Eg = 1.73 eV) and visible light sensitivity of the material were identified by UV–Visible spectroscopic operation carried in the range 200–700 nm. The dielectric and related properties were investigated as a function of frequency and temperature using an impedance analyzer (LCR meter). Room-temperature dielectric investigation suggests it may be useful for storage application. The transport activities investigated through conductivity, impedance, and modulus technique illustrate the significant influence of grains on transportation of charges.
Highlights
Over the most recent couple of decades, multifunctional-multiferroic materials accumulate the attention of researchers working in the field of material science as a result of their fascinating physical properties, for example, ferromagnetic and ferroelectric includes at the same time in a single phase
The observed sharp and unique peaks in the X-ray diffraction (XRD) profile differ from raw chemical suggest new structure has formed
The XRD investigation on double perovskite Li2GdFeTiO6 synthesized through solid solution technique reveals formation of single phase new compound crystallize in tetragonal structure
Summary
Over the most recent couple of decades, multifunctional-multiferroic materials accumulate the attention of researchers working in the field of material science as a result of their fascinating physical properties, for example, ferromagnetic and ferroelectric includes at the same time in a single phase These materials locate a wide scope of uses for devices, for example, piezoelectric sensors, photovoltaic/solar cells, arbitrary access memory, and many more [1, 2]. Filho et al reported the spin-phonon coupling in Y2NiMnO6 due to expansion/contraction of the octahedral NiO6 and MnO6 [13] Because of these fascinating and wide range spectra, we have focused our attention towards rare-earth to develop double perovskite with further improve properties. We have reported the structural, optical, dielectric and transport properties of Li2GdFeTiO6 in detailed
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