Broadband luminescence of Ni2+-doped Zn(GaxAl1−x)2O4-based glass–ceramics - Collection LabEx ∑_Lim
Article Dans Une Revue International Journal of Applied Glass Science Année : 2024

Broadband luminescence of Ni2+-doped Zn(GaxAl1−x)2O4-based glass–ceramics

Résumé

Ni2+‐doped glass–ceramics containing Zn(GaxAlx−1)2O4 crystals were successfully synthetized using both parent glass crystallization (Technique 1) and a direct doping method also called “frozen sorbet” (Technique 2) to get a ZnGa2O4 crystal/glass composite. The frozen sorbet technique allows the survival of ∼10 nm crystalline particles. Both materials are further crystallized near their respective temperature of crystallization to get glass–ceramics with the stabilization of Zn(GaxAlx−1)2O4 crystals. Although these two materials exhibit the same glass transition temperature, a shift in the crystallization temperature is observed. The glass–ceramics are transparent in the near infrared range, and the Ni2+ doping provides a broadband emission centered around 1300 nm with a full width at half‐maximum (FWHM) equal to 228 nm. The structure, microstructure, and thermal and optical properties of these materials are discussed in the present study.

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Matériaux
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mercredi 15 janvier 2025
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Dates et versions

hal-04654519 , version 1 (10-10-2024)

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Francesco Bour, J.-R. Duclère, Pierre Carles, Sébastien Chenu, Mathieu Allix, et al.. Broadband luminescence of Ni2+-doped Zn(GaxAl1−x)2O4-based glass–ceramics. International Journal of Applied Glass Science, 2024, 15 (4), pp.440-450. ⟨10.1111/ijag.16681⟩. ⟨hal-04654519⟩
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