The nonradiative changeover fees Stick to the components WNR = W (0) exp(-alphap), the place p is the volume of phonons matching the Vitality hole. The nonradiative changeover prices of Er3+ show temperature dependence consistent with the multiphonon relaxation concept. In Tm3+ the temperature dependence of nonradiative leisure rates is https://andyn924jjg4.pennywiki.com/user