The nonradiative transition charges follow the system WNR = W (0) exp(-alphap), the place p is the number of phonons matching the Electrical power hole. The nonradiative transition premiums of Er3+ exhibit temperature dependence according to the multiphonon peace theory. In Tm3+ the temperature dependence of nonradiative rest premiums is https://erybyabcrystal28406.life3dblog.com/32145578/5-simple-statements-about-er-yb-yab-crystal-explained