The nonradiative changeover fees follow the system WNR = W (0) exp(-alphap), where by p is the quantity of phonons matching the Strength hole. The nonradiative transition fees of Er3+ exhibit temperature dependence according to the multiphonon rest principle. In Tm3+ the temperature dependence of nonradiative peace charges is sophisticated https://erybyabcrystal75173.blognody.com/34389286/er-yb-yab-crystal-can-be-fun-for-anyone