The nonradiative changeover prices Adhere to the formulation WNR = W (0) exp(-alphap), where by p is the amount of phonons matching the Electricity gap. The nonradiative transition costs of Er3+ show temperature dependence according to the multiphonon relaxation concept. In Tm3+ the temperature dependence of nonradiative leisure costs is https://simonafgii.blog-mall.com/33750770/considerations-to-know-about-er-yb-yab-crystal