The nonradiative changeover charges Keep to the system WNR = W (0) exp(-alphap), where p is the volume of phonons matching the Power hole. The nonradiative changeover prices of Er3+ exhibit temperature dependence in line with the multiphonon relaxation idea. In Tm3+ the temperature dependence of nonradiative leisure fees is https://er-yb-yab-crystal63950.madmouseblog.com/13593960/5-simple-statements-about-er-yb-yab-crystal-explained