The nonradiative changeover fees Keep to the method WNR = W (0) exp(-alphap), exactly where p is the amount of phonons matching the energy hole. The nonradiative transition fees of Er3+ exhibit temperature dependence in step with the multiphonon peace principle. In Tm3+ the temperature dependence of nonradiative peace fees https://er-yb-yab-crystal39517.acidblog.net/64361077/little-known-facts-about-er-yb-yab-crystal