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Title

Luminescence properties of Er3+ ions in nanocrystalline glass-ceramics

AuthorsBalda, Rolindes ; Miguel, A.; Morea, Roberta ; Gonzalo, J. ; Fernández, Joaquín
KeywordsGlass ceramics
Upconversion
Rare-earth
Energy transfer
Issue Date25-Aug-2016
PublisherInstitute of Electrical and Electronics Engineers
Citation18th International Conference on Transparent Optical Networks: (2016)
AbstractIn this work, we analyze the influence of the nanocrystallization process 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-ceramics suggests that a fraction of Er3+ ions are forming nanocrystals while the rest remain in a glass environment. The presence of fluoride nanocrystals has a strong effect in the upconverted red emission from 4F9/2 level. This emission increases significantly as compared with the green one in the glass-ceramic sample. 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 samples.
DescriptionTrabajo presentado a la 18th International Conference on Transparent Optical Networks (ICTON), celebrada en Trento (Italia) del 10 al 14 de julio de 2016.
Publisher version (URL)http://doi.org/10.1109/ICTON.2016.7550578
URIhttp://hdl.handle.net/10261/149526
DOI10.1109/ICTON.2016.7550578
Identifiersdoi: 10.1109/ICTON.2016.7550578
isbn: 978-1-5090-1467-5
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(CFM) Libros y partes de libros
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