′�?, that has a frequency of 295 cm−1, is attributed into the stretching vibration of Ga–Se bonds. The 2-phonon absorption on the 295 cm−1 phonon corresponds for the crystal IR absorption edge, as an alternative to the residual absorption peak. Density useful concept computations present that the residual absorption of https://baga4se7-crystal74062.webbuzzfeed.com/33324600/5-easy-facts-about-baga4se7-crystal-described