The nonradiative changeover fees Stick to the method WNR = W (0) exp(-alphap), where by p is the volume of phonons matching the Strength gap. The nonradiative transition costs of Er3+ exhibit temperature dependence per the multiphonon leisure idea. In Tm3+ the temperature dependence of nonradiative peace fees is complicated https://eduardossspl.blogdal.com/33721794/the-2-minute-rule-for-er-yb-yab-crystal