The nonradiative transition fees Stick to the formulation WNR = W (0) exp(-alphap), where p is the quantity of phonons matching the Strength gap. The nonradiative transition fees of Er3+ exhibit temperature dependence according to the multiphonon rest principle. In Tm3+ the temperature dependence of nonradiative peace prices is challenging https://raymondnonkg.blogsidea.com/39518586/the-best-side-of-er-yb-yab-crystal