The nonradiative changeover fees follow the formulation WNR = W (0) exp(-alphap), in which p is the amount of phonons matching the Vitality gap. The nonradiative transition prices of Er3+ exhibit temperature dependence according to the multiphonon leisure concept. In Tm3+ the temperature dependence of nonradiative relaxation premiums is intricate https://augustlmlhe.blogtov.com/13636791/er-yb-yab-crystal-an-overview