The nonradiative changeover costs Stick to the formula WNR = W (0) exp(-alphap), wherever p is the quantity of phonons matching the Vitality hole. The nonradiative transition fees of Er3+ exhibit temperature dependence in step with the multiphonon relaxation principle. In Tm3+ the temperature dependence of nonradiative leisure costs is https://erybyabcrystal95173.blog-eye.com/33370783/the-basic-principles-of-er-yb-yab-crystal