The nonradiative changeover costs Stick to the system WNR = W (0) exp(-alphap), the place p is the number of phonons matching the energy gap. The nonradiative changeover costs of Er3+ show temperature dependence in step with the multiphonon peace concept. In Tm3+ the temperature dependence of nonradiative relaxation costs https://agathaf691byx1.wikirecognition.com/user