The nonradiative transition premiums follow the formula WNR = W (0) exp(-alphap), where p is the number of phonons matching the Power hole. The nonradiative changeover premiums of Er3+ show temperature dependence in keeping with the multiphonon peace idea. In Tm3+ the temperature dependence of nonradiative leisure prices is sophisticated https://lukaspxywt.vidublog.com/32198376/the-ultimate-guide-to-er-yb-yab-crystal