The nonradiative changeover rates Stick to the components WNR = W (0) exp(-alphap), the place p is the amount of phonons matching the Strength gap. The nonradiative transition premiums of Er3+ exhibit temperature dependence in line with the multiphonon relaxation principle. In Tm3+ the temperature dependence of nonradiative relaxation costs https://er-yb-yab-crystal63950.theideasblog.com/33594614/rumored-buzz-on-er-yb-yab-crystal