The nonradiative transition premiums Stick to the system WNR = W (0) exp(-alphap), where p is the amount of phonons matching the Electricity gap. The nonradiative transition charges of Er3+ show temperature dependence in line with the multiphonon peace concept. In Tm3+ the temperature dependence of nonradiative peace premiums is https://erybyabcrystal28416.blogthisbiz.com/39815224/not-known-details-about-er-yb-yab-crystal