The nonradiative transition premiums Stick to the components WNR = W (0) exp(-alphap), the place p is the number of phonons matching the Strength gap. The nonradiative changeover charges of Er3+ exhibit temperature dependence in line with the multiphonon peace principle. In Tm3+ the temperature dependence of nonradiative leisure costs https://er-yb-yab-crystal30627.designertoblog.com/64397618/er-yb-yab-crystal-for-dummies