The nonradiative changeover premiums follow the system WNR = W (0) exp(-alphap), where by p is the amount of phonons matching the Vitality hole. The nonradiative transition prices of Er3+ exhibit temperature dependence according to the multiphonon rest concept. In Tm3+ the temperature dependence of nonradiative leisure costs is difficult https://audreyq912bum6.cosmicwiki.com/user