′�?, having a frequency of 295 cm−1, is attributed to your 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 functional idea computations present which the residual absorption on the https://zandersvwus.tkzblog.com/32559539/how-much-you-need-to-expect-you-ll-pay-for-a-good-baga4se7-crystal