THE ULTIMATE GUIDE TO BAGA4SE7 CRYSTAL

′�?, having a frequency of 295 cm−one, is attributed for the stretching vibration of Ga–Se bonds. The 2-phonon absorption of the 295 cm−1 phonon corresponds to the crystal IR absorption edge, instead of the residual absorption peak. Density purposeful idea computations exhibit that the residual absorption with the BGSe crystal originates