The nonradiative changeover fees Keep to the formula WNR = W (0) exp(-alphap), in which p is the number of phonons matching the Strength hole. The nonradiative changeover costs of Er3+ exhibit temperature dependence in step with the multiphonon peace concept. In Tm3+ the temperature dependence of nonradiative peace fees https://er-yb-yab-crystal63951.dsiblogger.com/66109820/top-guidelines-of-er-yb-yab-crystal