Emission efficiency at 1 µm from low Yb3+ concentrated tellurite glass-ceramics: Alternative materials for the future rare-earth metal shortage

Bardins, M.; Vakula, N.; Petit, L.

doi:10.1016/j.scriptamat.2024.116355

Scripta Materialia

2025

DOI: 10.1016/j.scriptamat.2024.116355

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Emission efficiency at 1 µm from low Yb3+ concentrated tellurite glass-ceramics: Alternative materials for the future rare-earth metal shortage

M. Bardins,

N. Vakula,

L. Petit

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Cited by 2 publications

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Structural analysis of some ternary tellurite glasses

El-Mallawany,

Gaafar,

Marzouk

et al. 2024

Ceramics International

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Structural analysis of some ternary tellurite glasses

El-Mallawany,

Gaafar,

Marzouk

et al. 2024

Ceramics International

View full text Add to dashboard Cite

Yb3+-Doped Titanate–Germanate Glasses for Near-IR Luminescence Applications: Synthesis, Characterization, and the Influence of TiO2 Concentration

Kowalska,

Pisarska,

Pisarski

2024

Materials

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In the framework of luminescent rare-earth-doped glasses for near-infrared applications, TiO2-containing inorganic glasses have been recently demonstrated to be a promising alternative to commercially used high-phonon SiO2-based glasses. This study investigates the effect of TiO2 concentration on the near-infrared spectroscopic properties of Yb3+ ions in multicomponent titanate–germanate glasses. A series of glass samples in the xTiO2-(60−x)GeO2-BaO-Ga2O3-Yb2O3 system (x ranging from 0 to 50 mol%) were synthesized using the melt-quenching technique. X-ray diffraction analysis confirmed the fully amorphous nature of the fabricated titanate–germanate samples. Fundamental spectroscopic properties of Yb3+-doped titanate–germanate system consisting of absorption spectra, near-IR emission spectra, and luminescence decay curves have been determined based on measurement using optical spectroscopy. The intensity of the emission band at 1 µm due to the 2F5/2 → 2F7/2 laser transition of Yb3+ ions increases by over 2.3-fold (TiO2 as the network former) compared to a barium gallo-germanate sample without TiO2. Our previous studies indicate that Yb3+-doped titanate–germanate glass is a promising optical material and could be successfully applied to laser technology.

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Emission efficiency at 1 µm from low Yb3+ concentrated tellurite glass-ceramics: Alternative materials for the future rare-earth metal shortage

Cited by 2 publications

References 19 publications

Structural analysis of some ternary tellurite glasses

Structural analysis of some ternary tellurite glasses

Yb3+-Doped Titanate–Germanate Glasses for Near-IR Luminescence Applications: Synthesis, Characterization, and the Influence of TiO2 Concentration

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