The nonradiative changeover prices Adhere to the formulation WNR = W (0) exp(-alphap), where by p is the amount of phonons matching the Electricity gap. The nonradiative transition premiums of Er3+ show temperature dependence in step with the multiphonon leisure idea. In Tm3+ the temperature dependence of nonradiative relaxation costs https://erybyabcrystal85162.qodsblog.com/33168252/little-known-facts-about-er-yb-yab-crystal