The nonradiative transition costs Keep to the formula WNR = W (0) exp(-alphap), where p is the quantity of phonons matching the Power hole. The nonradiative changeover premiums of Er3+ show temperature dependence consistent with the multiphonon rest principle. In Tm3+ the temperature dependence of nonradiative peace fees is sophisticated https://er-yb-yab-crystal29506.ourcodeblog.com/33283734/the-definitive-guide-to-er-yb-yab-crystal