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22 February 2018 Site-resolved emission of Nd3+-doped oxyfluoride nano glass-ceramics
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Proceedings Volume 10528, Optical Components and Materials XV; 1052806 (2018)
Event: SPIE OPTO, 2018, San Francisco, California, United States
Transparent oxyfluoride glass-ceramics obtained by the adequate heat treatment of Nd3+-doped glass with composition SiO2-Al2O3-Na2O-LaF3 are investigated. X-ray diffraction (XRD) and high resolution transmission electron microscopy (HR-TEM) show that the precipitated nanocrystals are LaF3 with a crystal size between 9-12 nm. Furthermore, energy dispersive X-ray (EDX) analysis shows the incorporation of Nd3+ ions into the LaF3 nanocrystals. Site-selective and time-resolved emission and excitation spectra of the 4F3/2 and 4F5/2 states, allows to unambiguously isolate the emission of Nd3+ ions in LaF3 nanocrystals which shows well defined spectra, similar to those obtained for pure LaF3 crystal.
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Rolindes Balda, Giulio Gorni, José J. Velázquez, María J. Pascual, Alicia Durán, and Joaquín Fernández "Site-resolved emission of Nd3+-doped oxyfluoride nano glass-ceramics", Proc. SPIE 10528, Optical Components and Materials XV, 1052806 (22 February 2018);

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