′�?, that has a frequency of 295 cm−one, is attributed towards the stretching vibration of Ga–Se bonds. The two-phonon absorption of your 295 cm−one phonon corresponds on the crystal IR absorption edge, in lieu of the residual absorption peak. Density practical theory computations show which the residual absorption on the https://baga4se7-crystal42952.mybloglicious.com/53234767/not-known-facts-about-baga4se7-crystal