The nonradiative changeover prices follow the components WNR = W (0) exp(-alphap), wherever p is the quantity of phonons matching the energy hole. The nonradiative transition fees of Er3+ exhibit temperature dependence per the multiphonon rest idea. In Tm3+ the temperature dependence of nonradiative rest costs is sophisticated by the https://erybyabcrystal05051.tokka-blog.com/35081170/details-fiction-and-er-yb-yab-crystal