The nonradiative changeover fees follow the components WNR = W (0) exp(-alphap), in which p is the amount of phonons matching the Vitality hole. The nonradiative transition premiums of Er3+ show temperature dependence in keeping with the multiphonon leisure idea. In Tm3+ the temperature dependence of nonradiative leisure prices is https://erybyabcrystal18406.timeblog.net/68864142/facts-about-er-yb-yab-crystal-revealed