Doping of low-Tg phosphate glass with ...
Document type :
Article dans une revue scientifique
Permalink :
Title :
Doping of low-Tg phosphate glass with Al2O3, B2O3 and SiO2: Part I- effect on glass property and stability
Author(s) :
Rajbhandari, P. [Auteur]
Montagne, Lionel [Auteur]
Unité de Catalyse et Chimie du Solide (UCCS) - UMR 8181
Unité de Catalyse et Chimie du Solide - UMR 8181 [UCCS]
Tricot, Grégory [Auteur]
Laboratoire Avancé de Spectroscopie pour les Intéractions la Réactivité et l'Environnement (LASIRE) - UMR 8516
Laboratoire Avancé de Spectroscopie pour les Intéractions la Réactivité et l'Environnement - UMR 8516 [LASIRE]
Unité de Catalyse et Chimie du Solide - UMR 8181 [UCCS]
Montagne, Lionel [Auteur]

Unité de Catalyse et Chimie du Solide (UCCS) - UMR 8181
Unité de Catalyse et Chimie du Solide - UMR 8181 [UCCS]
Tricot, Grégory [Auteur]

Laboratoire Avancé de Spectroscopie pour les Intéractions la Réactivité et l'Environnement (LASIRE) - UMR 8516
Laboratoire Avancé de Spectroscopie pour les Intéractions la Réactivité et l'Environnement - UMR 8516 [LASIRE]
Unité de Catalyse et Chimie du Solide - UMR 8181 [UCCS]
Journal title :
Materials Chemistry and Physics
Volume number :
183
Pages :
542-550
Publication date :
2016-11-01
HAL domain(s) :
Chimie/Chimie inorganique
English abstract : [en]
A zinc alkali pyrophosphate system 46.6ZnO-20Na2O-33.5P2O5 presenting low-Tg (339 °C) and good thermal stability has been doped with (1–4) mol% of Al2O3, B2O3 and SiO2 to improve the stability of the glass with a minimal ...
Show more >A zinc alkali pyrophosphate system 46.6ZnO-20Na2O-33.5P2O5 presenting low-Tg (339 °C) and good thermal stability has been doped with (1–4) mol% of Al2O3, B2O3 and SiO2 to improve the stability of the glass with a minimal increase in glass transition temperature (Tg). XRD and 1D 31P solid state NMR were used to monitor the isothermal crystallization process occurring at 130 °C above Tg. If the Al2O3 and B2O3 doping significantly improved thermal stability, this property was marginally affected by SiO2 doping. Viscosity measurements were performed to observe the crystallization effects induced by the doping. It is noteworthy that the Tg values of all the doped compositions with improved stability presented in this work are below 400 °C. Raman spectroscopy, 1D 31P, 27Al, 11B and 29Si solid state NMR were carried out to determine the structural modifications and coordination states of the doping elements all along the composition line.Show less >
Show more >A zinc alkali pyrophosphate system 46.6ZnO-20Na2O-33.5P2O5 presenting low-Tg (339 °C) and good thermal stability has been doped with (1–4) mol% of Al2O3, B2O3 and SiO2 to improve the stability of the glass with a minimal increase in glass transition temperature (Tg). XRD and 1D 31P solid state NMR were used to monitor the isothermal crystallization process occurring at 130 °C above Tg. If the Al2O3 and B2O3 doping significantly improved thermal stability, this property was marginally affected by SiO2 doping. Viscosity measurements were performed to observe the crystallization effects induced by the doping. It is noteworthy that the Tg values of all the doped compositions with improved stability presented in this work are below 400 °C. Raman spectroscopy, 1D 31P, 27Al, 11B and 29Si solid state NMR were carried out to determine the structural modifications and coordination states of the doping elements all along the composition line.Show less >
Language :
Anglais
Audience :
Internationale
Popular science :
Non
Administrative institution(s) :
ENSCL
CNRS
Centrale Lille
Univ. Artois
Université de Lille
CNRS
Centrale Lille
Univ. Artois
Université de Lille
Collections :
Research team(s) :
RMN et matériaux inorganiques (RM2I)
Submission date :
2019-09-25T14:06:15Z
2021-06-24T14:35:53Z
2021-06-24T14:35:53Z