The nonradiative changeover prices Adhere to the method WNR = W (0) exp(-alphap), in which p is the volume of phonons matching the Strength hole. The nonradiative transition costs of Er3+ show temperature dependence in step with the multiphonon peace idea. In Tm3+ the temperature dependence of nonradiative relaxation costs https://er-yb-yab-crystal51739.blogsuperapp.com/33659490/er-yb-yab-crystal-options