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Luminescence of Er3+ Ions in Nanocrystalline Glass-Ceramics

AutorBalda, Rolindes ; Morea, Roberta ; Gonzalo, J. ; Fernández, J.
Palabras claveRadiative lifetime
Tellurite glass
Upconversion luminescence
Upconversion emission
Excited state absorption
Fecha de publicación17-feb-2017
EditorSpringer Nature
CitaciónNano-Optics: Principles Enabling Basic Research and Applications: 301-317 (2017)
ResumenThis work analyzes the influence of the nanocrystals on the luminescence properties of Er3+ions in transparent oxyfluoride tellurite glass-ceramics obtained by heat treatment of the precursor Er-doped glass. The comparison between the fluorescence properties of Er-doped glass and glass-ceramic suggests that a fraction of Er3+ ions are forming nanocrystals while the rest remain in a glass environment. The presence of ErF3 nanocrystals has a strong effect in the upconverted red emission from4F9/2 level. The time evolution of the upconverted red emission shows that energy transfer upconversion processes are responsible for the increase of this emission in the glass-ceramic sample.
DescripciónPart of the NATO Science for Peace and Security Series B: Physics and Biophysics book series (NAPSB)
Versión del editorhttps://doi.org/10.1007/978-94-024-0850-8_15
URIhttp://hdl.handle.net/10261/163687
ISBN978-94-024-0848-5
Identificadoresdoi: 10.1007/978-94-024-0850-8_15
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