The nonradiative transition charges Stick to the method WNR = W (0) exp(-alphap), wherever p is the number of phonons matching the Power hole. The nonradiative transition premiums of Er3+ show temperature dependence in line with the multiphonon relaxation principle. In Tm3+ the temperature dependence of nonradiative relaxation prices is https://erybyabcrystal07394.bloggosite.com/39946937/5-essential-elements-for-er-yb-yab-crystal