The nonradiative transition fees Keep to the formulation WNR = W (0) exp(-alphap), where by p is the amount of phonons matching the Vitality gap. The nonradiative changeover fees of Er3+ exhibit temperature dependence per the multiphonon leisure principle. In Tm3+ the temperature dependence of nonradiative relaxation prices is sophisticated https://edgargjmkm.blogerus.com/55384257/details-fiction-and-er-yb-yab-crystal