The nonradiative changeover fees Adhere to the formula WNR = W (0) exp(-alphap), the place p is the volume of phonons matching the Electricity gap. The nonradiative transition costs of Er3+ show temperature dependence consistent with the multiphonon peace theory. In Tm3+ the temperature dependence of nonradiative leisure costs is https://erybyabcrystal28518.free-blogz.com/80549469/not-known-details-about-er-yb-yab-crystal