The nonradiative changeover fees Keep to the formula WNR = W (0) exp(-alphap), where by p is the amount of phonons matching the Electrical power gap. The nonradiative changeover rates of Er3+ exhibit temperature dependence according to the multiphonon rest principle. In Tm3+ the temperature dependence of nonradiative peace prices https://er-yb-yab-crystal41851.topbloghub.com/41154758/5-simple-statements-about-er-yb-yab-crystal-explained