The nonradiative changeover rates Adhere to the system WNR = W (0) exp(-alphap), exactly where p is the amount of phonons matching the Power gap. The nonradiative transition fees of Er3+ show temperature dependence per the multiphonon leisure theory. In Tm3+ the temperature dependence of nonradiative relaxation fees is difficult https://er-yb-yab-crystal42952.snack-blog.com/34784742/facts-about-er-yb-yab-crystal-revealed