The nonradiative changeover prices Adhere to the method WNR = W (0) exp(-alphap), where p is the quantity of phonons matching the energy gap. The nonradiative changeover prices of Er3+ show temperature dependence in line with the multiphonon leisure idea. In Tm3+ the temperature dependence of nonradiative leisure costs is https://er-yb-yab-crystal18417.fireblogz.com/64408671/facts-about-er-yb-yab-crystal-revealed