The nonradiative transition fees Keep to the system WNR = W (0) exp(-alphap), wherever p is the quantity of phonons matching the Power gap. The nonradiative transition prices of Er3+ show temperature dependence consistent with the multiphonon relaxation idea. In Tm3+ the temperature dependence of nonradiative peace costs is challenging https://heraclitusj813hfd3.wikidank.com/user