CONSIDERATIONS TO KNOW ABOUT BAGA4SE7 CRYSTAL

′�?, by using a frequency of 295 cm−one, is attributed towards the stretching vibration of Ga–Se bonds. The 2-phonon absorption of the 295 cm−one phonon corresponds to the crystal IR absorption edge, instead of the residual absorption peak. Density practical theory computations show which the residual absorption on the BGSe crystal origin