The nonradiative changeover prices Adhere to the system WNR = W (0) exp(-alphap), wherever p is the amount of phonons matching the Strength hole. The nonradiative changeover prices of Er3+ exhibit temperature dependence according to the multiphonon leisure concept. In Tm3+ the temperature dependence of nonradiative peace costs is complex https://er-yb-yab-crystal53063.ambien-blog.com/41275058/rumored-buzz-on-er-yb-yab-crystal