TOP LATEST FIVE ER:YB:YAB CRYSTAL URBAN NEWS

The nonradiative changeover charges follow the system WNR = W (0) exp(-alphap), in which p is the amount of phonons matching the energy gap. The nonradiative transition premiums of Er3+ show temperature dependence in keeping with the multiphonon relaxation concept. In Tm3+ the temperature dependence of nonradiative leisure charges is complicated wi