The nonradiative transition fees Keep to the formula WNR = W (0) exp(-alphap), where by p is the amount of phonons matching the Electrical power gap. The nonradiative changeover fees of Er3+ exhibit temperature dependence according to the multiphonon rest principle. In Tm3+ the temperature dependence of nonradiative peace prices https://erybyabcrystal18406.dailyhitblog.com/38541266/what-does-er-yb-yab-crystal-mean