The nonradiative changeover rates Adhere to the system WNR = W (0) exp(-alphap), wherever p is the volume of phonons matching the Electricity gap. The nonradiative changeover prices of Er3+ show temperature dependence in step with the multiphonon peace theory. In Tm3+ the temperature dependence of nonradiative leisure fees is https://elliotkmkie.ezblogz.com/64758836/er-yb-yab-crystal-can-be-fun-for-anyone