The nonradiative transition fees Keep to the system WNR = W (0) exp(-alphap), where p is the amount of phonons matching the Vitality gap. The nonradiative changeover rates of Er3+ show temperature dependence according to the multiphonon relaxation theory. In Tm3+ the temperature dependence of nonradiative peace rates is intricate https://cashyzyur.boyblogguide.com/32245165/little-known-facts-about-er-yb-yab-crystal