′�?, that has a frequency of 295 cm−one, is attributed into the stretching vibration of Ga–Se bonds. The 2-phonon absorption on the 295 cm−one phonon corresponds on the crystal IR absorption edge, as an alternative to the residual absorption peak. Density useful idea computations clearly show which the residual absorption https://reidkjgzt.aioblogs.com/85695849/baga4se7-crystal-an-overview