Site-resolved emission of Nd3+-doped oxyfluoride nano glass-ceramics

Rolindes Balda; Giulio Gorni; José J. Velázquez; María J. Pascual; Alicia Durán; Joaquín Fernández

doi:10.1117/12.2290228

22 February 2018 Site-resolved emission of Nd³⁺-doped oxyfluoride nano glass-ceramics

Rolindes Balda, Giulio Gorni, José J. Velázquez, María J. Pascual, Alicia Durán, Joaquín Fernández

Author Affiliations +

Proceedings Volume 10528, Optical Components and Materials XV; 1052806 (2018) https://doi.org/10.1117/12.2290228
Event: SPIE OPTO, 2018, San Francisco, California, United States

Abstract

Transparent oxyfluoride glass-ceramics obtained by the adequate heat treatment of Nd³⁺-doped glass with composition SiO₂-A_l2O₃-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 ⁴F_3/2 and ⁴F_5/2 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.

Citation Download Citation

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); https://doi.org/10.1117/12.2290228

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