′�?, with a frequency of 295 cm−one, is attributed to your stretching vibration of Ga–Se bonds. The two-phonon absorption from the 295 cm−one phonon corresponds for the crystal IR absorption edge, as an alternative to the residual absorption peak. Density practical concept computations display which the residual absorption in the https://andressiuht.dailyhitblog.com/38158636/the-best-side-of-baga4se7-crystal