The nonradiative changeover premiums Stick to the method WNR = W (0) exp(-alphap), where by p is the volume of phonons matching the Vitality gap. The nonradiative transition rates of Er3+ exhibit temperature dependence in step with the multiphonon relaxation principle. In Tm3+ the temperature dependence of nonradiative relaxation fees https://erybyabcrystal96283.popup-blog.com/32381694/the-definitive-guide-to-er-yb-yab-crystal