The nonradiative changeover charges Keep to the components WNR = W (0) exp(-alphap), in which p is the number of phonons matching the Electrical power gap. The nonradiative changeover prices of Er3+ show temperature dependence in step with the multiphonon leisure principle. In Tm3+ the temperature dependence of nonradiative relaxation https://landenxwxwr.jaiblogs.com/60189484/the-smart-trick-of-er-yb-yab-crystal-that-no-one-is-discussing