The nonradiative transition costs Adhere to the components WNR = W (0) exp(-alphap), in which p is the quantity of phonons matching the Vitality hole. The nonradiative transition rates of Er3+ show temperature dependence in keeping with the multiphonon relaxation principle. In Tm3+ the temperature dependence of nonradiative relaxation fees https://paulu257sqo8.plpwiki.com/user