The nonradiative transition fees follow the formula WNR = W (0) exp(-alphap), where by p is the volume of phonons matching the Strength hole. The nonradiative transition fees of Er3+ exhibit temperature dependence in line with the multiphonon peace concept. In Tm3+ the temperature dependence of nonradiative peace charges is https://cruzuyyxv.izrablog.com/33800358/not-known-factual-statements-about-er-yb-yab-crystal