′�?, which has a frequency of 295 cm−one, is attributed for the stretching vibration of Ga–Se bonds. The two-phonon absorption in the 295 cm−one phonon corresponds on the crystal IR absorption edge, as opposed to the residual absorption peak. Density practical theory computations show which the residual absorption with the https://zandernuyyz.ltfblog.com/31817045/helping-the-others-realize-the-advantages-of-baga4se7-crystal