The nonradiative changeover premiums Adhere to the system WNR = W (0) exp(-alphap), the place p is the volume of phonons matching the Electricity hole. The nonradiative transition prices of Er3+ show temperature dependence per the multiphonon leisure theory. In Tm3+ the temperature dependence of nonradiative leisure rates is complicated https://er-yb-yab-crystal30627.blogs-service.com/63996442/the-ultimate-guide-to-er-yb-yab-crystal