Tunable band gap and optical properties of surface functionalized Sc2C monolayer
Wang Shun1, 2, 3, Du Yu-Lei1, †, Liao Wen-He1
       

(color online) Calculated optical parameters of Sc2CT 2 (T = OH, F, or O): (a) absorption coefficient/104 cm , (b) reflectivity, (c) energy loss function, and (d) refractive index.