′�?, which has a frequency of 295 cm−one, is attributed for the stretching vibration of Ga–Se bonds. The 2-phonon absorption with the 295 cm−1 phonon corresponds to your crystal IR absorption edge, as opposed to the residual absorption peak. Density functional theory computations demonstrate the residual absorption of the BGSe https://johnathanqnieb.dreamyblogs.com/32998961/the-smart-trick-of-baga4se7-crystal-that-nobody-is-discussing