The nonradiative transition prices Stick to the formula WNR = W (0) exp(-alphap), the place p is the number of phonons matching the Vitality gap. The nonradiative changeover premiums of Er3+ show temperature dependence consistent with the multiphonon peace principle. In Tm3+ the temperature dependence of nonradiative rest premiums is https://er-yb-yab-crystal29517.p2blogs.com/32131563/er-yb-yab-crystal-an-overview