The nonradiative transition costs Keep to the components WNR = W (0) exp(-alphap), where by p is the number of phonons matching the energy hole. The nonradiative transition prices of Er3+ show temperature dependence in line with the multiphonon peace idea. In Tm3+ the temperature dependence of nonradiative relaxation prices https://martinrzccd.humor-blog.com/32116228/5-tips-about-er-yb-yab-crystal-you-can-use-today