The nonradiative changeover premiums Stick to the components WNR = W (0) exp(-alphap), the place p is the number of phonons matching the Vitality hole. The nonradiative changeover charges of Er3+ show temperature dependence in line with the multiphonon leisure idea. In Tm3+ the temperature dependence of nonradiative relaxation charges https://erybyabcrystal20740.bloggerswise.com/42265588/examine-this-report-on-er-yb-yab-crystal