The nonradiative changeover costs Adhere to the method WNR = W (0) exp(-alphap), wherever p is the number of phonons matching the Power gap. The nonradiative changeover premiums of Er3+ exhibit temperature dependence according to the multiphonon leisure principle. In Tm3+ the temperature dependence of nonradiative peace prices is challenging https://damienhjjex.total-blog.com/not-known-details-about-er-yb-yab-crystal-58482411