The nonradiative transition fees Keep to the formula WNR = W (0) exp(-alphap), the place p is the volume of phonons matching the Vitality hole. The nonradiative changeover charges of Er3+ exhibit temperature dependence according to the multiphonon relaxation concept. In Tm3+ the temperature dependence of nonradiative leisure rates is https://kylerefday.get-blogging.com/33646525/er-yb-yab-crystal-an-overview