The nonradiative transition prices Keep to the formulation WNR = W (0) exp(-alphap), exactly where p is the amount of phonons matching the Vitality hole. The nonradiative changeover prices of Er3+ show temperature dependence per the multiphonon relaxation principle. In Tm3+ the temperature dependence of nonradiative leisure fees is difficult https://erybyabcrystal85172.daneblogger.com/32294665/rumored-buzz-on-er-yb-yab-crystal