′�?, by using 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 on the crystal IR absorption edge, as an alternative to the residual absorption peak. Density functional idea computations exhibit the residual absorption of the https://ricardoyqdpa.blogrelation.com/38940329/a-secret-weapon-for-baga4se7-crystal