The nonradiative changeover fees Adhere to the method WNR = W (0) exp(-alphap), in which p is the volume of phonons matching the Strength gap. The nonradiative transition prices of Er3+ show temperature dependence in step with the multiphonon leisure theory. In Tm3+ the temperature dependence of nonradiative rest fees https://er-yb-yab-crystal75296.blogsidea.com/41231805/er-yb-yab-crystal-options