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Título: | Time-resolved fluorescence line-narrowing of Eu3+ in biocompatible eutectic glass-ceramics |
Autor: | Sola, D. CSIC ORCID; Balda, Rolindes CSIC ORCID; Al-Saleh, M.; Peña, J. I. CSIC ORCID; Fernández, Joaquín CSIC ORCID | Fecha de publicación: | 2013 | Editor: | Optical Society of America | Citación: | Optics Express 21(5): 6561-6571 (2013) | Resumen: | The spectroscopic properties of Eu3+ in biocompatible glass and glass-ceramic eutectic rods of composition 0.8CaSiO3-0.2Ca 3 (PO4)2 doped with 0.5 wt% of Eu 2O3 are investigated to explore their potential applications as optical probes. The samples were obtained by the laser floating zone technique. Depending on the growth rate, they exhibit three (two crystalline and one amorphous) or two (one crystalline and one amorphous) phases. The crystalline phases correspond to Ca2SiO4 and apatite-like structures. At high growth rates the system presents an amorphous arrangement which gives a glass phase. The results of timeresolved fluorescence line narrowing spectroscopy obtained under excitation within the inhomogeneous broadened 7F0→5D0 absorption band allow to isolate the emission from Eu3+ ions in the crystalline and amorphous environments and to accurately correlate the spectroscopic properties with the microstructure of these eutectics. © 2013 Optical Society of America. | Versión del editor: | http://dx.doi.org/10.1364/OE.21.006561 | URI: | http://hdl.handle.net/10261/102394 | DOI: | 10.1364/OE.21.006561 | Identificadores: | doi: 10.1364/OE.21.006561 issn: 1094-4087 |
Aparece en las colecciones: | (CFM) Artículos (ICMA) Artículos |
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