The nonradiative transition fees Keep to the formula WNR = W (0) exp(-alphap), the place p is the volume of phonons matching the Vitality hole. The nonradiative changeover prices of Er3+ show temperature dependence in keeping with the multiphonon relaxation concept. In Tm3+ the temperature dependence of nonradiative leisure fees https://raymondmnnkf.bloguetechno.com/er-yb-yab-crystal-options-68255795