The nonradiative changeover charges Adhere to the method WNR = W (0) exp(-alphap), where p is the quantity of phonons matching the energy gap. The nonradiative changeover fees of Er3+ show temperature dependence per the multiphonon rest concept. In Tm3+ the temperature dependence of nonradiative leisure charges is complicated with https://fernandomdqdo.blogvivi.com/35437273/top-latest-five-er-yb-yab-crystal-urban-news