′�?, having a frequency of 295 cm−one, is attributed to your stretching vibration of Ga–Se bonds. The two-phonon absorption in the 295 cm−one phonon corresponds to the crystal IR absorption edge, as an alternative to the residual absorption peak. Density purposeful theory computations exhibit which the residual absorption of the https://donovanrhmmr.laowaiblog.com/31575005/a-secret-weapon-for-baga4se7-crystal