The nonradiative transition prices Keep to the formula WNR = W (0) exp(-alphap), exactly where p is the amount of phonons matching the Power hole. The nonradiative changeover costs of Er3+ show temperature dependence in keeping with the multiphonon rest principle. In Tm3+ the temperature dependence of nonradiative peace fees https://andremkfav.gynoblog.com/32362322/not-known-details-about-er-yb-yab-crystal