. "The linear and nonlinear optical properties of a-K2Hg3Ge2S8 and a-K2Hg3Sn2S8 compounds are performed using the first-principles calculations. Particularly, we appraised the optical dielectric function and the second-harmonic generation (SHG) response. We have analyzed the linear optical properties, i.e. the real and imaginary part of the dielectric tensor, the reflectivity, refractive index, extension coefficient and energy loss function."@en . "Linear and nonlinear optical properties of alpha-K2Hg3Ge2S8 and alpha-K2Hg3Sn2S8 compounds" . . "Linear and nonlinear optical properties of alpha-K2Hg3Ge2S8 and alpha-K2Hg3Sn2S8 compounds" . "listopad 2014" . . "23640" . . . "RIV/49777513:23640/14:43923357!RIV15-MSM-23640___" . . "Optical Materials" . . "Linear and nonlinear optical properties of alpha-K2Hg3Ge2S8 and alpha-K2Hg3Sn2S8 compounds"@en . . . . . "2"^^ . "RIV/49777513:23640/14:43923357" . "2"^^ . "7"^^ . "10.1016/j.optmat.2014.05.006" . "37" . "P(ED2.1.00/03.0088)" . "Linear and nonlinear optical properties of alpha-K2Hg3Ge2S8 and alpha-K2Hg3Sn2S8 compounds"@en . . "Azam, Sikander" . "Al-Jaary, Ali H. Reshak" . "26249" . "[848C27D40BEA]" . . "DFT; Nonlinear optical susceptibilities; Linear optical properties"@en . "0925-3467" . . "NL - Nizozemsko" . . "The linear and nonlinear optical properties of a-K2Hg3Ge2S8 and a-K2Hg3Sn2S8 compounds are performed using the first-principles calculations. Particularly, we appraised the optical dielectric function and the second-harmonic generation (SHG) response. We have analyzed the linear optical properties, i.e. the real and imaginary part of the dielectric tensor, the reflectivity, refractive index, extension coefficient and energy loss function." . "000345181600018" . .