The nonradiative changeover charges Adhere to the components WNR = W (0) exp(-alphap), the place p is the quantity of phonons matching the Power gap. The nonradiative changeover costs of Er3+ show temperature dependence in step with the multiphonon relaxation idea. In Tm3+ the temperature dependence of nonradiative rest fees https://er-yb-yab-crystal29381.suomiblog.com/facts-about-er-yb-yab-crystal-revealed-48799687