The nonradiative transition premiums Stick to the components WNR = W (0) exp(-alphap), the place p is the number of phonons matching the Strength hole. The nonradiative transition costs of Er3+ show temperature dependence in step with the multiphonon leisure theory. In Tm3+ the temperature dependence of nonradiative relaxation charges https://er-yb-yab-crystal49482.bloginder.com/35467327/er-yb-yab-crystal-can-be-fun-for-anyone