The nonradiative transition premiums Keep to the system WNR = W (0) exp(-alphap), where p is the number of phonons matching the Electrical power hole. The nonradiative transition costs of Er3+ exhibit temperature dependence in step with the multiphonon peace principle. In Tm3+ the temperature dependence of nonradiative rest fees https://cyrilb691ccz1.blog2freedom.com/profile