The nonradiative transition costs Keep to the method WNR = W (0) exp(-alphap), wherever p is the quantity of phonons matching the Power hole. The nonradiative transition premiums of Er3+ exhibit temperature dependence according to the multiphonon peace theory. In Tm3+ the temperature dependence of nonradiative relaxation costs is complicated https://crossi813hge4.creacionblog.com/profile