′�?, that has a frequency of 295 cm−1, is attributed towards the stretching vibration of Ga–Se bonds. The 2-phonon absorption in the 295 cm−one phonon corresponds to the crystal IR absorption edge, in lieu of the residual absorption peak. Density functional theory computations exhibit which the residual absorption of your https://fernandoajnoo.bloggazzo.com/31894561/considerations-to-know-about-baga4se7-crystal