The nonradiative changeover fees Adhere to the system WNR = W (0) exp(-alphap), wherever p is the quantity of phonons matching the Electricity gap. The nonradiative changeover charges of Er3+ exhibit temperature dependence according to the multiphonon rest concept. In Tm3+ the temperature dependence of nonradiative leisure premiums is sophisticated https://er-yb-yab-crystal41740.bloggerbags.com/38518952/er-yb-yab-crystal-an-overview