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. 2012 Oct 8;7(1):556. doi: 10.1186/1556-276X-7-556

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Copyright ©2012 Atabaev et al.; licensee Springer.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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PL emission spectra of Y₂O₃:1%Eu³⁺-1%Dy³⁺phosphor particles (λ_exc.= 254 and 350 nm, respectively) with assigned transitions. Inset digital photographs showed the eye-visible red and yellow luminescence emissions.