The nonradiative changeover costs Keep to the formulation WNR = W (0) exp(-alphap), wherever p is the volume of phonons matching the Electricity gap. The nonradiative transition costs of Er3+ exhibit temperature dependence in line with the multiphonon relaxation theory. In Tm3+ the temperature dependence of nonradiative relaxation charges is https://lechi372ikk7.yourkwikimage.com/user