The nonradiative changeover fees Stick to the formula WNR = W (0) exp(-alphap), in which p is the quantity of phonons matching the energy gap. The nonradiative transition rates of Er3+ exhibit temperature dependence in keeping with the multiphonon peace idea. In Tm3+ the temperature dependence of nonradiative peace fees https://erybyabcrystal07384.tinyblogging.com/er-yb-yab-crystal-for-dummies-76813445