Optical and Electronic Properties of Double Perovskite Ba2ScSbO6
Rajyavardhan Ray, A K Himanshu, Uday Kumar, Pintu Sen, J. Lahiri, and, S K Bandyopadhyay, T. P. Sinha
TL;DR
This study synthesizes and characterizes Ba2ScSbO6, revealing its cubic structure and large band-gap, indicating its potential for microwave dielectric applications.
Contribution
The paper provides a comprehensive analysis of Ba2ScSbO6's structural, optical, and electronic properties using experimental and computational methods.
Findings
Ba2ScSbO6 has a cubic Fm-3m structure.
Optical band-gap is 4.2 eV.
Identified as a large band-gap insulator.
Abstract
Ba2ScSbO6 (BSS) has been synthesized in polycrystalline form by solid state reaction. Structural characterization of the compound was done through X-ray diffraction (XRD) followed by Riedvelt analysis of the XRD pattern. The crystal structure is cubic, space group Fm-3m (No. 225. Optical band-gap of the present system has been calculated using the UV-Vis Spectroscopy to be 4.2eV. A detailed study of the electronic properties has also been carried out using the Full-Potential Linear Augmented Plane Wave (FPLAPW) as implemented in WIEN2k. BSS is found to be a large band-gap insulator with potential technological applications, such as dielectric resonators and filers in microwave applications
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