′�?, using a frequency of 295 cm−one, is attributed on the stretching vibration of Ga–Se bonds. The two-phonon absorption of your 295 cm−1 phonon corresponds towards the crystal IR absorption edge, rather then the residual absorption peak. Density useful idea computations present the residual absorption from the BGSe crystal originates https://baga4se7-crystal03456.blogchaat.com/32782079/a-simple-key-for-baga4se7-crystal-unveiled