The nonradiative transition premiums Keep to the formula WNR = W (0) exp(-alphap), where by p is the number of phonons matching the Strength hole. The nonradiative changeover prices of Er3+ exhibit temperature dependence in line with the multiphonon leisure principle. In Tm3+ the temperature dependence of nonradiative leisure fees https://er-yb-yab-crystal14184.topbloghub.com/41151286/not-known-factual-statements-about-er-yb-yab-crystal