The nonradiative transition premiums Stick to the components WNR = W (0) exp(-alphap), wherever p is the amount of phonons matching the Electricity hole. The nonradiative changeover fees of Er3+ show temperature dependence in step with the multiphonon rest theory. In Tm3+ the temperature dependence of nonradiative peace fees is https://kylerdfdax.post-blogs.com/54133745/er-yb-yab-crystal-an-overview