The nonradiative changeover fees Keep to the formula WNR = W (0) exp(-alphap), wherever p is the amount of phonons matching the Electricity gap. The nonradiative transition costs of Er3+ show temperature dependence according to the multiphonon peace principle. In Tm3+ the temperature dependence of nonradiative peace charges is complicated https://englandr146pok6.wikistatement.com/user