The nonradiative transition prices follow the system WNR = W (0) exp(-alphap), in which p is the volume of phonons matching the Vitality hole. The nonradiative transition costs of Er3+ show temperature dependence in step with the multiphonon leisure idea. In Tm3+ the temperature dependence of nonradiative rest premiums is https://erybyabcrystal74961.gynoblog.com/32509773/details-fiction-and-er-yb-yab-crystal