The nonradiative transition charges Keep to the formulation WNR = W (0) exp(-alphap), where p is the quantity of phonons matching the Power hole. The nonradiative changeover prices of Er3+ show temperature dependence consistent with the multiphonon leisure idea. In Tm3+ the temperature dependence of nonradiative peace prices is challenging https://er-yb-yab-crystal40628.newbigblog.com/39229386/the-2-minute-rule-for-er-yb-yab-crystal