′�?, having a frequency of 295 cm−1, is attributed on the stretching vibration of Ga–Se bonds. The two-phonon absorption of your 295 cm−one phonon corresponds into the crystal IR absorption edge, rather then the residual absorption peak. Density purposeful idea computations exhibit the residual absorption in the BGSe crystal originates https://stevez211qdp6.idblogz.com/profile