The nonradiative changeover fees Keep to the formula WNR = W (0) exp(-alphap), wherever p is the number of phonons matching the Vitality hole. The nonradiative changeover prices of Er3+ exhibit temperature dependence according to the multiphonon peace theory. In Tm3+ the temperature dependence of nonradiative rest premiums is complex https://erybyabcrystal85050.blogoscience.com/41113973/er-yb-yab-crystal-an-overview