The nonradiative changeover premiums follow the formula WNR = W (0) exp(-alphap), the place p is the volume of phonons matching the Power hole. The nonradiative changeover prices of Er3+ show temperature dependence according to the multiphonon leisure principle. In Tm3+ the temperature dependence of nonradiative peace rates is complex https://larrye703lpp9.wikibyby.com/user