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27Al MAS NMR spectroscopy study of Eu2+-doped and Dy3+-co-doped SrAl4O7
2020
Lithuanian Journal of Physics
The Eu2+-doped strontium aluminate SrAl4O7 samples have shown the blue-green persistent luminescence at 490 nm while the co-doping with Dy3+ shifts the maximum of emission to 475 nm. Undoped, 3% Eu-doped and 6% Dy-co-doped SrAl4O7 samples were prepared by the solid state-reaction method and studied by the solid-state 27Al MAS NMR applying the single pulse-acquire and Hahn-echo pulse sequences. It was shown that the Eu2+ with Dy3+ ion doping did not affect the bulk structure as well as the local
doi:10.3952/physics.v60i2.4224
fatcat:haga22lmkfbt7o77x2gkebvwcm