Abstract:Structural, mechanical and optoelectronic properties of B6Se and B6S chalcogenides under hydrostatic pressure were studied by the HSE06 hybrid functional in the DFT approach. The calculation results show that both materials preserve a high hardness behavior with a slight decrease of around 11% in the Vickers hardness, from zero to 100 GPa of external hydrostatic pressure. The electronic band structures show that B6Se and B6S chalcogenides have a semiconductor behavior with an electronic bandgap of 3.89 eV and … Show more
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