The nonradiative changeover premiums Stick to the components WNR = W (0) exp(-alphap), wherever p is the number of phonons matching the Electricity gap. The nonradiative transition fees of Er3+ exhibit temperature dependence in keeping with the multiphonon relaxation principle. In Tm3+ the temperature dependence of nonradiative peace charges is https://sethjlkhu.csublogs.com/39994460/top-guidelines-of-er-yb-yab-crystal