The nonradiative changeover charges Keep to the formulation WNR = W (0) exp(-alphap), the place p is the number of phonons matching the Vitality gap. The nonradiative transition premiums of Er3+ exhibit temperature dependence in step with the multiphonon rest theory. In Tm3+ the temperature dependence of nonradiative peace prices https://er-yb-yab-crystal41851.shotblogs.com/er-yb-yab-crystal-can-be-fun-for-anyone-46988910