The nonradiative changeover costs Stick to the components WNR = W (0) exp(-alphap), in which p is the volume of phonons matching the Vitality gap. The nonradiative changeover fees of Er3+ show temperature dependence in line with the multiphonon leisure idea. In Tm3+ the temperature dependence of nonradiative relaxation costs https://benjamind680ayx1.azzablog.com/profile