The nonradiative transition premiums Stick to the components WNR = W (0) exp(-alphap), in which p is the volume of phonons matching the Strength hole. The nonradiative transition charges of Er3+ show temperature dependence in line with the multiphonon rest concept. In Tm3+ the temperature dependence of nonradiative relaxation charges https://stephenahkmk.humor-blog.com/33699060/5-easy-facts-about-er-yb-yab-crystal-described