The nonradiative transition premiums Stick to the components WNR = W (0) exp(-alphap), in which p is the quantity of phonons matching the energy gap. The nonradiative changeover prices of Er3+ exhibit temperature dependence according to the multiphonon rest idea. In Tm3+ the temperature dependence of nonradiative leisure fees is https://connerkljgd.qodsblog.com/33267179/5-essential-elements-for-er-yb-yab-crystal