The nonradiative transition rates Stick to the system WNR = W (0) exp(-alphap), where p is the volume of phonons matching the Electricity gap. The nonradiative changeover rates of Er3+ exhibit temperature dependence in step with the multiphonon peace principle. In Tm3+ the temperature dependence of nonradiative relaxation rates is https://erybyabcrystal96284.articlesblogger.com/55837726/rumored-buzz-on-er-yb-yab-crystal