The nonradiative changeover fees Keep to the system WNR = W (0) exp(-alphap), the place p is the number of phonons matching the Strength hole. The nonradiative changeover prices of Er3+ exhibit temperature dependence in keeping with the multiphonon peace theory. In Tm3+ the temperature dependence of nonradiative relaxation charges https://erybyabcrystal29630.blogsidea.com/41247735/er-yb-yab-crystal-an-overview