The nonradiative changeover fees Stick to the components WNR = W (0) exp(-alphap), in which p is the volume of phonons matching the Vitality gap. The nonradiative changeover rates of Er3+ exhibit temperature dependence according to the multiphonon relaxation concept. In Tm3+ the temperature dependence of nonradiative leisure fees is https://erybyabcrystal18406.bloggerchest.com/33219879/the-definitive-guide-to-er-yb-yab-crystal