Influence of interstitial UO<sub>2</sub><sup>2+</sup> doping on the valence control of Eu and energy transfer to substitutional Eu<sup>3+</sup> and Sm<sup>3+</sup> in SrBPO<sub>5</sub>
P. Vinodkumar, R.K. Padhi, Sitakanta Panda, P. Ramakrishna, B.S. Panigrahi
Abstract
Europium got stabilized as Eu 2+ and Eu 3+ and Samarium got stabilized as Sm 3+ in stillwellite SrBPO 5 . The interstitial uranium co-doping caused energy transfer to Eu 3+ and Sm 3+ and influenced the ratio of the Eu 3+ and Eu 2+ ions.
Topics & Concepts
EuropiumValence (chemistry)SamariumPhotoluminescencePhosphorUraniumDopingChemistryRietveld refinementAnalytical Chemistry (journal)CeriumCrystal structureMaterials scienceInorganic chemistryCrystallographyIonMetallurgyChromatographyOptoelectronicsOrganic chemistryLuminescence Properties of Advanced MaterialsNuclear materials and radiation effectsRadioactive element chemistry and processing