The nonradiative transition prices Keep to the system WNR = W (0) exp(-alphap), exactly where p is the amount of phonons matching the Strength hole. The nonradiative transition premiums of Er3+ exhibit temperature dependence in keeping with the multiphonon relaxation principle. In Tm3+ the temperature dependence of nonradiative relaxation prices https://trentonhmqsr.59bloggers.com/35256385/details-fiction-and-er-yb-yab-crystal