The nonradiative changeover fees Stick to the components WNR = W (0) exp(-alphap), the place p is the number of phonons matching the Strength hole. The nonradiative transition premiums of Er3+ exhibit temperature dependence in keeping with the multiphonon relaxation concept. In Tm3+ the temperature dependence of nonradiative leisure rates https://alexisafhhg.blazingblog.com/34790642/considerations-to-know-about-er-yb-yab-crystal