The key role of yttrium oxide on devitrification resilience of barium gallo-germanate glasses: Physicochemical properties and crystallization study
AOUJI, Samar
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
Université Laval [Québec] [ULaval]
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Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
Université Laval [Québec] [ULaval]
AOUJI, Samar
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
Université Laval [Québec] [ULaval]
< Réduire
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
Université Laval [Québec] [ULaval]
Langue
en
Article de revue
Ce document a été publié dans
Journal of Non-Crystalline Solids. 2023, vol. 619, p. 122546
Elsevier
Résumé en anglais
Two barium gallo-germanate glass series were elaborated to investigate the effect of the yttrium introduction on the glass physicochemical properties and crystallization behavior. One to twenty mol% of YO3/2 were either ...Lire la suite >
Two barium gallo-germanate glass series were elaborated to investigate the effect of the yttrium introduction on the glass physicochemical properties and crystallization behavior. One to twenty mol% of YO3/2 were either added into the glass matrix or substituted for gallium oxide. The glass structure was studied by Raman spectroscopy and the thermal, optical, thermo-mechanical and physical properties are examined. The introduction of yttrium ions in both glass series increases the glass transition temperature, crystallization temperature, softening temperature, coefficient of linear thermal expansion and density. Through differential scanning calorimetry and X-ray diffraction analyses, it was found that competition occurs between the gallo-germanate zeolite-type phase and the yttrium-containing phase. From 13 mol% of YO3/2, the yttrium introduction impedes the formation of surface crystallization in these glasses.< Réduire
Mots clés en anglais
Photonic
Heavy-metal oxide
Glass
Crystallization
Projet Européen
Centre for functional and surface-functionalized glasses
Project ANR
Fabrication 3D de composants optiques intégrés à bas cout par laser femtoseconde pour des applications IR
Origine
Importé de halUnités de recherche