The nonradiative transition costs Stick to the formula WNR = W (0) exp(-alphap), where by p is the quantity of phonons matching the Vitality hole. The nonradiative changeover charges of Er3+ show temperature dependence per the multiphonon leisure idea. In Tm3+ the temperature dependence of nonradiative peace rates is sophisticated https://knoxgkkki.ziblogs.com/33387071/the-5-second-trick-for-er-yb-yab-crystal