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- W4311760055 endingPage "207463" @default.
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- W4311760055 abstract "Density function theory calculations are used to examine the optical characteristics and electronic structure of Ga2STe Janus monolayer and alkali metal (Li, Na, K, Cs, Rb) adsorbed Ga2STe/Li, Ga2STe/Na, Ga2STe/K, Ga2STe/Cs, and Ga2STe/Rb structures. It is found from the results that pristine Ga2STe Janus monolayer has high absorption (∼13 × 104 cm −1) in the visible region range (∼630–780 nm). However, on adsorption of alkali metals, the absorption increases with wavelength and shifts toward the red region of the spectrum, which is also called redshift. Superior absorption is seen in the entire visible range (∼580–790 nm) for all alkali metal doped structures in comparison with pristine Ga2STe monolayer. Superior absorption in the visible range is required in optoelectronics applications and photovoltaic absorbers. Refractive index and dielectric function of alkali metal doped structures as a function of energy were also considered and were found absorption peaks are in consistent with dielectric function and refractive index values. Large absorption peaks were observed in the entire visible region for all metal adsorbed structures in comparison with pristine monolayer, because of which the proposed structures can be useful for optoelectronic applications." @default.
- W4311760055 created "2022-12-28" @default.
- W4311760055 creator A5013439690 @default.
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- W4311760055 date "2023-01-01" @default.
- W4311760055 modified "2023-09-25" @default.
- W4311760055 title "Effect of alkali metal adsorption over pristine Ga2STe janus monolayer in enhancing the visible region absorption" @default.
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- W4311760055 doi "https://doi.org/10.1016/j.micrna.2022.207463" @default.
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