TOP LATEST FIVE BAGA4SE7 CRYSTAL URBAN NEWS

′�?, which has a frequency of 295 cm−one, is attributed to your stretching vibration of Ga–Se bonds. The 2-phonon absorption of your 295 cm−one phonon corresponds on the crystal IR absorption edge, instead of the residual absorption peak. Density purposeful concept computations show the residual absorption of your BGSe crystal originates