The nonradiative changeover premiums Stick to the method WNR = W (0) exp(-alphap), wherever p is the volume of phonons matching the Strength gap. The nonradiative transition rates of Er3+ show temperature dependence in line with the multiphonon leisure principle. In Tm3+ the temperature dependence of nonradiative peace charges is https://caidenvbgii.blog-gold.com/44657706/what-does-er-yb-yab-crystal-mean