The nonradiative changeover charges Adhere to the components WNR = W (0) exp(-alphap), where p is the quantity of phonons matching the Vitality hole. The nonradiative changeover costs of Er3+ show temperature dependence consistent with the multiphonon leisure theory. In Tm3+ the temperature dependence of nonradiative leisure fees is sophisticated https://dominickgigfb.myparisblog.com/33789585/rumored-buzz-on-er-yb-yab-crystal