The nonradiative changeover premiums Adhere to the system WNR = W (0) exp(-alphap), where by p is the volume of phonons matching the Power gap. The nonradiative changeover premiums of Er3+ show temperature dependence per the multiphonon relaxation theory. In Tm3+ the temperature dependence of nonradiative leisure prices is intricate https://pierse691cby2.targetblogs.com/profile