The nonradiative changeover costs Stick to the formulation WNR = W (0) exp(-alphap), exactly where p is the quantity of phonons matching the Power gap. The nonradiative changeover costs of Er3+ exhibit temperature dependence per the multiphonon peace idea. In Tm3+ the temperature dependence of nonradiative peace costs is sophisticated https://erybyabcrystal07284.blogofoto.com/64470504/what-does-er-yb-yab-crystal-mean