The nonradiative changeover prices Keep to the system WNR = W (0) exp(-alphap), where by p is the number of phonons matching the Electricity gap. The nonradiative transition rates of Er3+ exhibit temperature dependence per the multiphonon peace concept. In Tm3+ the temperature dependence of nonradiative peace rates is difficult https://er-yb-yab-crystal17159.dreamyblogs.com/35170516/facts-about-er-yb-yab-crystal-revealed