The nonradiative changeover fees Stick to the components WNR = W (0) exp(-alphap), the place p is the volume of phonons matching the Vitality hole. The nonradiative changeover prices of Er3+ exhibit temperature dependence according to the multiphonon rest principle. In Tm3+ the temperature dependence of nonradiative peace costs is https://er-yb-yab-crystal42674.life3dblog.com/32116558/5-simple-statements-about-er-yb-yab-crystal-explained