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Meeting Materials Science & Technology 2020
Symposium Glasses, Optical Materials, and their Functional Applications: Current Issues in Science & Technology
Presentation Title Surface Reactivity of Multi-component Glasses
Author(s) Alastair Cormack
On-Site Speaker (Planned) Alastair Cormack
Abstract Scope The reactivity - or otherwise - of glasses depends largely, if not exclusively, on their surface structures. More specifically, it is the atomic level details which determine the interaction of environmental species, such as water, with the surfaces. These atomic level structural species are hard to determine in details from experimental studies, particularly in multi-component systems. In this presentation, we will discuss the structural moieties which have been found to occur on the surface in some multi-component silicate glasses from molecular dynamics computer simulations. Water molecules interacting with the glass surface create hydroxyl species, such as Si-OH or Al-OH, whose stability has been investigated as a function of time. The results suggest that local structural chemistry plays a key role in both the formation and stability of hydroxylated species.
Proceedings Inclusion? Undecided

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

2020 Alfred R. Cooper Young Scholar Award Presentation: Beyond the Average: A Statistical Mechanical Exploration of Topological Fluctuations in Glass-Forming Systems
Cooper Distinguished Lecture: Exploring the Amorphous State of Matter by Roaming About the Network Building Blocks
Decoding Structure-Dynamics Correlations in SiO2 Supercooled Liquid by Machine Learning
Development of YAG-alumina Composites for the Lightening Applications
Effect of Nanoscale Phase Separation on the Fracture Behavior of Glasses: Toward Tough, Yet Transparent Glasses
Effect of Transition Metal Impurities on the Properties of ZnSe Single Crystals
Elucidating Defect Behaviors and Lithium Ion Diffusion Mechanisms in Solid State Electrolytes from Atomistic Computer Simulations
Enhanced Optical Nonlinearity in Bismuth Borosilicate Glass Dispersed with Eu2O3 Stabilized Gold Nanoparticles
Glasses beyond Megabar Pressures
Melt-Quenching vs. Sol-gel vs. Vapor Deposition vs. Irradiation: Influence of the Synthesis Method on the Structure of SiO2
Photo-elastic Confirmation of Fast Surface Relaxation of Silica Glasses in the Presence of Water
Relative Roles of O and Si in Crack Nucleation and Propagation Mechanisms in Amorphous Silica
Surface Reactivity of Multi-component Glasses
Terahertz Time-domain Spectroscopy of Glasses

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