The nonradiative transition premiums Adhere to the system WNR = W (0) exp(-alphap), the place p is the volume of phonons matching the Vitality hole. The nonradiative transition prices of Er3+ show temperature dependence in keeping with the multiphonon relaxation theory. In Tm3+ the temperature dependence of nonradiative leisure prices https://erybyabcrystal46891.theisblog.com/35034184/helping-the-others-realize-the-advantages-of-er-yb-yab-crystal