The nonradiative changeover prices follow the components WNR = W (0) exp(-alphap), where by p is the amount of phonons matching the Power hole. The nonradiative transition premiums of Er3+ exhibit temperature dependence according to the multiphonon peace principle. In Tm3+ the temperature dependence of nonradiative peace fees is sophisticated https://erybyabcrystal86395.bleepblogs.com/33646476/getting-my-er-yb-yab-crystal-to-work