′�?, with a frequency of 295 cm−one, is attributed into the stretching vibration of Ga–Se bonds. The 2-phonon absorption in the 295 cm−1 phonon corresponds to your crystal IR absorption edge, in lieu of the residual absorption peak. Density practical principle computations exhibit the residual absorption of your BGSe crystal https://marcowabcz.blogprodesign.com/54326724/the-smart-trick-of-baga4se7-crystal-that-nobody-is-discussing