The nonradiative changeover prices Keep to the method WNR = W (0) exp(-alphap), exactly where p is the volume of phonons matching the Electricity gap. The nonradiative changeover costs of Er3+ show temperature dependence in keeping with the multiphonon relaxation principle. In Tm3+ the temperature dependence of nonradiative peace charges https://er-yb-yab-crystal64072.blogcudinti.com/34918670/er-yb-yab-crystal-can-be-fun-for-anyone