The nonradiative transition fees Adhere to the formulation WNR = W (0) exp(-alphap), where by p is the quantity of phonons matching the Vitality hole. The nonradiative changeover prices of Er3+ show temperature dependence according to the multiphonon rest idea. In Tm3+ the temperature dependence of nonradiative rest fees is https://stephencqspl.imblogs.net/82830341/er-yb-yab-crystal-an-overview