The nonradiative changeover costs Adhere to the formulation WNR = W (0) exp(-alphap), the place p is the quantity of phonons matching the Strength hole. The nonradiative changeover premiums of Er3+ show temperature dependence in step with the multiphonon relaxation principle. In Tm3+ the temperature dependence of nonradiative leisure costs https://er-yb-yab-crystal30617.targetblogs.com/33637877/not-known-details-about-er-yb-yab-crystal