Beyond the average: spatial and temporal fluctuations in oxide glass-forming systems

KA Kirchner, DR Cassar, ED Zanotto, M Ono… - Chemical …, 2022 - ACS Publications
Atomic structure dictates the performance of all materials systems; the characteristic of
disordered materials is the significance of spatial and temporal fluctuations on composition …

Thermal expansion and the glass transition

P Lunkenheimer, A Loidl, B Riechers, A Zaccone… - Nature Physics, 2023 - nature.com
Melting is well understood in terms of the Lindemann criterion, which essentially states that
crystalline materials melt when the thermal vibrations of their atoms become so vigorous that …

Calorimetric investigation of the relaxation phenomena in amorphous lyophilized solids

S Groёl, T Menzen, G Winter - Pharmaceutics, 2021 - mdpi.com
Studying the thermal history and relaxation of solid amorphous drug product matrices by
calorimetry is a well-known approach, particularly in the context of correlating the matrix …

Kinetics of physical aging of a silicate glass following temperature up-and down-jumps

RF Lancelotti, ED Zanotto, S Sen - The Journal of Chemical Physics, 2024 - pubs.aip.org
In this article, we investigate the structural relaxation of lithium silicate glass during
isothermal physical aging by monitoring the temporal evolution of its refractive index and …

Numerical and atomistic models for predicting structural relaxation in glasses

C Wilkinson - Computational Materials Science, 2024 - Elsevier
From optical fiber to high-tech displays, glass relaxation plays a critical role. Due to the non-
equilibrium nature of glass, there is a constant evolution associated with relaxation that …

Relaxation dynamics in lattice reverse Monte Carlo

AK Ball, S Haque, A Chatterjee - Molecular Simulation, 2023 - Taylor & Francis
ABSTRACT The reverse Monte Carlo (RMC) method is widely used in structural modelling
and analysis of experimental data. More recently, RMC has been applied to the calculation …

Structural relaxation dynamics of a silicate glass probed by refractive index and ionic conductivity

RF Lancelotti, ACM Rodrigues… - Journal of the American …, 2023 - Wiley Online Library
Relaxation occurs spontaneously in all glasses and is a fundamental step of important
technological processes, such as annealing, crystal nucleation, and chemical strengthening …

Modeling the relaxation and crystallization kinetics of glass without fictive temperature: Toy landscape approach

CJ Wilkinson, JC Mauro - Journal of the American Ceramic …, 2022 - Wiley Online Library
Relaxation and crystallization are key kinetic processes that must be understood to build a
comprehensive understanding of the supercooled liquid and glassy states. Traditional …

Modeling the relaxation of fluctuations in glass during the Ritland crossover experiment

CJ Wilkinson, KH Lee, D Yin, JC Mauro - MRS Communications, 2022 - Springer
A knowledge of fluctuations is crucial for understanding the long-term kinetics of glasses.
However, current approaches for modeling relaxation rely on an order parameter that only …

Impact of a temperature‐dependent stretching exponent on glass relaxation

BM Hauke, M Mancini, JC Mauro - International Journal of …, 2022 - Wiley Online Library
The nonexponential relaxation behavior of glass is governed by the dimensionless
stretching exponent, β, which is typically assumed to be a constant but is more accurately …