Metakaolin-based geopolymer: Formation of new phases influencing the setting time with the use of additives

C Dupuy, J Havette, A Gharzouni… - … and Building Materials, 2019 - Elsevier
The aim of this investigation was the development of a geopolymer grout. To achieve this
goal, it is necessary to control the characteristics of the reactive mixture (ie, between the …

Thermal and light emission properties of rare earth (Eu3+, Dy3+ and Er3+), alkali (Li+, Na+ and K+) and Al3+-doped barium tellurite and boro-tellurite glasses

A Kaur, A Khanna, M González-Barriuso… - Journal of Materials …, 2021 - Springer
The effects of rare earth, alkali and Al ions on the thermal, short-range structure, optical
absorption and emission properties of barium tellurite and barium boro-tellurite glasses are …

Network Structure and Luminescent Properties of ZnO–B2O3–Bi2O3–WO3:Eu3+ Glasses

A Yordanova, M Milanova, R Iordanova, M Fabian… - Materials, 2023 - mdpi.com
In this study, we investigated the influence of Bi2O3 and WO3 on both structure and optical
properties of 50ZnO:(49− x) B2O3: 1Bi2O3: xWO3; x= 1, 5, 10 glasses doped with 0.5 mol …

Structural investigation of borosilicate glasses containing lanthanide ions

M Fabian, F Gergely, J Osan, T Cendak, S Kesari… - Scientific Reports, 2020 - nature.com
High level radioactive actinides are produced as a side product in reprocessing spent
nuclear fuel, for which safe long-term-inert immobilizer matrices are needed. Borosilicate …

Structure of bismuth tellurite and bismuth niobium tellurite glasses and Bi 2 Te 4 O 11 anti-glass by high energy X-ray diffraction

N Gupta, A Khanna, AC Dippel, O Gutowski - RSC advances, 2020 - pubs.rsc.org
Glass and anti-glass samples of bismuth tellurite (xBi2O3–(100− x) TeO2) and bismuth
niobium tellurite (xBi2O3–xNb2O5–(100− 2x) TeO2) systems were prepared by melt …

Lanthanide (Ce, Nd, Eu) environments and leaching behavior in borosilicate glasses

M Fabian, F Pinakidou, I Tolnai, O Czompoly… - Scientific Reports, 2021 - nature.com
Borosilicate glasses will be used to stabilize the high-level radioactive wastes for disposal in
a geological repository. Understanding the effects of actinide addition to a borosilicate glass …

Structure of lead tellurite glasses and its relationship with stress-optic properties

A Kaur, A Khanna, M Fábián, PSR Krishna… - Materials Research …, 2019 - Elsevier
Abstract Reverse Monte Carlo (RMC) simulations were applied for modelling the atomic
structure of the PbO-TeO 2 glasses containing 10, 15 and 20-mol% PbO. The short-range …

Structural analysis of WO3-TeO2 glasses by neutron, high energy X-ray diffraction, reverse Monte Carlo simulations and XANES

A Khanna, M Fábián, PSR Krishna, CJ Benmore… - Journal of Non …, 2018 - Elsevier
The structure of WO 3-TeO 2 glasses containing 15, 20 and 25 mol% WO 3 are studied by
neutron diffraction (ND), high energy X-ray diffraction (XRD) and X-ray Absorption Near …

[HTML][HTML] Effects of UO3 on the structure, thermal and chemical stability of borosilicate glass matrix

I Tolnai, J Osan, F Pinakidou, Z Kovacs… - Journal of Non-Crystalline …, 2024 - Elsevier
The glass matrix of composition: 55SiO 2–10B 2 O 3–25Na 2 O-5BaO-5ZrO 2 was
incorporated with 10 to 40 wt% of UO 3 by melt quenching technique. Neutron diffraction …

Structure of copper tellurite and borotellurite glasses by neutron diffraction, Raman, 11B MAS-NMR and FTIR spectroscopy

A Kaur, A Khanna, PSR Krishna… - … and Chemistry of …, 2020 - ingentaconnect.com
The structure of copper tellurite and borotellurite glasses is studied by x-ray and neutron
diffraction, reverse Monte Carlo (RMC) simulations, FTIR, Raman and 11B MAS-NMR …