The nonradiative changeover premiums Keep to the components WNR = W (0) exp(-alphap), where p is the number of phonons matching the Power hole. The nonradiative transition charges of Er3+ show temperature dependence per the multiphonon peace idea. In Tm3+ the temperature dependence of nonradiative peace charges is intricate via https://josuezfijj.bloggerswise.com/42273228/little-known-facts-about-er-yb-yab-crystal