The nonradiative transition premiums Stick to the system WNR = W (0) exp(-alphap), the place p is the number of phonons matching the Vitality hole. The nonradiative transition costs of Er3+ show temperature dependence in line with the multiphonon rest principle. In Tm3+ the temperature dependence of nonradiative peace prices https://erybyabcrystal96172.blogproducer.com/41914408/facts-about-er-yb-yab-crystal-revealed