The nonradiative changeover premiums Keep to the formula WNR = W (0) exp(-alphap), the place p is the number of phonons matching the Electrical power gap. The nonradiative transition premiums of Er3+ show temperature dependence consistent with the multiphonon rest idea. In Tm3+ the temperature dependence of nonradiative leisure rates https://dallasabbzw.blogsidea.com/39660621/helping-the-others-realize-the-advantages-of-er-yb-yab-crystal