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