Influence of hydroxyl group on IR transparency of tellurite-based glasses

Guillaume Guéry (1) , Thierry Cardinal (1) , Vincent Rodriguez (2) , Marc Dussauze (2) , Dominique Cavagnat (2) , Alexandre Fargues (1) , Philippe Thomas (3) , Julie Cornette (3) , Peter Wachtel (4) , David John Musgraves (4) , Kathleen Richardson (4)

1 ICMCB - Institut de Chimie de la Matière Condensée de Bordeaux
2 ISM - Institut des Sciences Moléculaires
3 SPCTS-AXE3 - Axe 3 : organisation structurale multiéchelle des matériaux
4 COMSET - School of Materials Science and Engineering

A study of the glass properties with two opposite levels of hydroxyl content is presented for two different tellurite glass families with molar composition 70TeO2-10Bi2O3-20ZnO and 80TeO2-20Nb2O5. We show that melting tellurite-based glasses in a dried-oxidant atmosphere (relative humidity <1%) reduces drastically the OH impurities. The effect of reducing the OH content on the glass properties such as characteristic temperatures, crystallization stability (ΔT), density, and microhardness is investigated.

Domaines: Matériaux

Guillaume Guéry, Thierry Cardinal, Vincent Rodriguez, Marc Dussauze, Dominique Cavagnat, et al.. Influence of hydroxyl group on IR transparency of tellurite-based glasses. International Journal of Applied Glass Science, 2014, 5 (2), pp.178-184. ⟨10.1111/ijag.12044⟩. ⟨hal-00945933⟩