The nonradiative changeover fees follow the system WNR = W (0) exp(-alphap), in which p is the volume of phonons matching the Vitality gap. The nonradiative transition costs of Er3+ show temperature dependence in keeping with the multiphonon relaxation concept. In Tm3+ the temperature dependence of nonradiative leisure prices is https://grahamu257ssq9.blogripley.com/profile