The nonradiative transition premiums Keep to the formula WNR = W (0) exp(-alphap), wherever p is the amount of phonons matching the Vitality gap. The nonradiative transition prices of Er3+ exhibit temperature dependence per the multiphonon relaxation idea. In Tm3+ the temperature dependence of nonradiative leisure fees is difficult via https://er-yb-yab-crystal73949.newsbloger.com/33787657/the-best-side-of-er-yb-yab-crystal