The nonradiative changeover prices Keep to the components WNR = W (0) exp(-alphap), the place p is the volume of phonons matching the Strength gap. The nonradiative changeover costs of Er3+ exhibit temperature dependence in step with the multiphonon leisure theory. In Tm3+ the temperature dependence of nonradiative leisure premiums https://er-yb-yab-crystal53074.shotblogs.com/the-2-minute-rule-for-er-yb-yab-crystal-47187558