The nonradiative changeover costs Keep to the formula WNR = W (0) exp(-alphap), wherever p is the quantity of phonons matching the Power hole. The nonradiative transition prices of Er3+ show temperature dependence per the multiphonon relaxation idea. In Tm3+ the temperature dependence of nonradiative rest rates is sophisticated by https://erickfhswt.blog5star.com/33581799/the-smart-trick-of-er-yb-yab-crystal-that-no-one-is-discussing