The nonradiative transition fees Adhere to the system WNR = W (0) exp(-alphap), wherever p is the quantity of phonons matching the Vitality hole. The nonradiative transition fees of Er3+ show temperature dependence per the multiphonon relaxation idea. In Tm3+ the temperature dependence of nonradiative relaxation costs is challenging through https://richardy680zyy1.wikihearsay.com/user