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Abstract

The optical uses of Gd2O3 have attracted interest in optoelectronics and have increased its popularity in industry. With the use of density functional theory, the SCF, band structure and density of states of cubic Gd2O3are examined. For this,we create a Gd2O3 supercell with a scaling of (211) andexamine the electronic characteristics such as band gap and DOS by using DFT. The influence of Cd doping on morphologicaland electrical characteristics of Gd2O3 nanoparticles is also described in the current study, and the modified properties of Gd2O3 are subsequently examined at the supercell level by employing DFT. Calculations indicates that SCF is converged with total energy -689.288RY. After the convergence of SCF,a direct band gap has been found by computing the electrical band structure. This paper also show that cd doping has a massive effect on the gadolinium oxide structure. The results of lattice constants are found to be credible. In all polymorphic phases, Gd2O3 is ductile and mechanically stable.