The nonradiative changeover fees Keep to the formulation WNR = W (0) exp(-alphap), wherever p is the volume of phonons matching the Vitality hole. The nonradiative changeover charges of Er3+ show temperature dependence in line with the multiphonon rest principle. In Tm3+ the temperature dependence of nonradiative peace prices is https://reubeno035lki5.wikinewspaper.com/user