The nonradiative changeover charges Stick to the components WNR = W (0) exp(-alphap), in which p is the volume of phonons matching the Strength hole. The nonradiative transition costs of Er3+ show temperature dependence per the multiphonon peace concept. In Tm3+ the temperature dependence of nonradiative leisure fees is challenging https://er-yb-yab-crystal63950.fireblogz.com/64519650/the-definitive-guide-to-er-yb-yab-crystal