The nonradiative transition rates Keep to the method WNR = W (0) exp(-alphap), in which p is the volume of phonons matching the Electrical power gap. The nonradiative transition prices of Er3+ exhibit temperature dependence in keeping with the multiphonon relaxation theory. In Tm3+ the temperature dependence of nonradiative peace https://rowanefecy.liberty-blog.com/33292860/5-simple-statements-about-er-yb-yab-crystal-explained