The nonradiative changeover fees Adhere to the formulation WNR = W (0) exp(-alphap), exactly where p is the volume of phonons matching the Vitality hole. The nonradiative changeover charges of Er3+ show temperature dependence in line with the multiphonon leisure idea. In Tm3+ the temperature dependence of nonradiative peace rates https://damienhmopq.slypage.com/33866349/details-fiction-and-er-yb-yab-crystal