The nonradiative transition fees Stick to the components WNR = W (0) exp(-alphap), in which p is the volume of phonons matching the Power gap. The nonradiative changeover rates of Er3+ exhibit temperature dependence in keeping with the multiphonon relaxation concept. In Tm3+ the temperature dependence of nonradiative leisure fees https://er-yb-yab-crystal41628.timeblog.net/68928565/top-latest-five-er-yb-yab-crystal-urban-news