Abstract
In this work, powdered La2SrFe2TiO9 triple perovskite that was produced by a solid-state reaction is analyzed to determine its optical characteristics. The transmittance and absorbance were measured using UV–visible spectroscopy at room temperature, which allowed for the discovery of promising optical properties. Based on the Tauc technique, the material has been shown to have a direct bandgap of 2.02 eV. Furthermore, the DASF method study has confirmed that the material is a direct bandgap. The absorption coefficient, Urbach energy, refractive index, optical conductivity, and dielectric function were included among the investigated optical properties. Calculations were performed for first- and third-order nonlinear susceptibilities and static and nonlinear refractive indices. These calculations brought to light the material's potential for use in advanced optoelectronic and solar cell applications. The remarkable optical properties of La2SrFe2TiO9, which include both linear and nonlinear characteristics, have made it an attractive candidate for use in advanced optoelectronic and solar cell applications.
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