NOT KNOWN DETAILS ABOUT BAGA4SE7 CRYSTAL

′�?, with a frequency of 295 cm−1, is attributed for the stretching vibration of Ga–Se bonds. The 2-phonon absorption on the 295 cm−one phonon corresponds to your crystal IR absorption edge, rather than the residual absorption peak. Density functional idea computations clearly show which the residual absorption with the BGSe crystal origi