′�?, that has a frequency of 295 cm−one, is attributed to your stretching vibration of Ga–Se bonds. The two-phonon absorption of the 295 cm−one phonon corresponds for the crystal IR absorption edge, as opposed to the residual absorption peak. Density functional principle computations demonstrate which the residual absorption with the https://baga4se7-crystal51504.tokka-blog.com/32972831/everything-about-baga4se7-crystal