Protons and hydroxide ions in aqueous systems

N Agmon, HJ Bakker, RK Campen… - Chemical …, 2016 - ACS Publications
Understanding the structure and dynamics of water's constituent ions, proton and hydroxide,
has been a subject of numerous experimental and theoretical studies over the last century …

Atomistic computer simulations of water interactions and dissolution of inorganic glasses

J Du, JM Rimsza - npj Materials Degradation, 2017 - nature.com
Computer simulations at the atomistic scale play an increasing important role in
understanding the structure features, and the structure–property relationships of glass and …

Water Interactions with Nanoporous Silica: Comparison of ReaxFF and ab Initio based Molecular Dynamics Simulations

JM Rimsza, J Yeon, ACT Van Duin… - The Journal of Physical …, 2016 - ACS Publications
Detailed understanding of the reactions and processes which govern silicate–water
interactions is critical to geological, materials, and environmental sciences. Interactions …

Microscopic mechanism of proton transfer in pure water under ambient conditions

J Huo, J Chen, P Liu, B Hong, J Zhang… - Journal of Chemical …, 2023 - ACS Publications
Water molecules and the associated proton transfer (PT) are prevalent in chemical and
biological systems and have been a hot research topic. Spectroscopic characterization and …

Molecular dynamics simulations of water structure and diffusion in a 1 nm diameter silica nanopore as a function of surface charge and alkali metal counterion identity

M Collin, S Gin, B Dazas, T Mahadevan… - The Journal of …, 2018 - ACS Publications
Water confined in nanopores—particularly in pores narrower than 2 nm—displays distinct
physicochemical properties that remain incompletely examined despite their importance in …

Hydration and reaction mechanisms on sodium silicate glass surfaces from molecular dynamics simulations with reactive force fields

TS Mahadevan, J Du - Journal of the American Ceramic …, 2020 - Wiley Online Library
Recent development of reactive force fields have enabled molecular dynamics simulations
of interactions between silicate glasses and water at the atomistic scale. While …

Proton dynamics at the water–silica interface via dissociative molecular dynamics

GK Lockwood, SH Garofalini - The Journal of Physical Chemistry …, 2014 - ACS Publications
A robust and accurate dissociative potential that reproduces the structural and dynamic
properties of bulk and nanoconfined water, and proton transport similar to ab initio …

Role of the hydrogen bond lifetimes and rotations at the water/amorphous silica interface on proton transport

J Lentz, SH Garofalini - Physical Chemistry Chemical Physics, 2019 - pubs.rsc.org
Using a highly robust and reactive all-atom potential, molecular dynamics computer
simulations have been used to provide detailed analysis of the behavior of water and …

Reactive simulations of the activation barrier to dissolution of amorphous silica in water

M Kagan, GK Lockwood, SH Garofalini - Physical Chemistry Chemical …, 2014 - pubs.rsc.org
Molecular dynamics simulations employing reactive potentials were used to determine the
activation barriers to the dissolution of the amorphous SiO2 surface in the presence of a 2 …

Subpicosecond molecular rearrangements affect local electric fields and auto-dissociation in water

SH Garofalini, J Lentz - The Journal of Physical Chemistry B, 2023 - ACS Publications
Molecular simulations of auto-dissociation of water molecules in an 81,000 atom bulk water
system show that the electric field variations caused by local bond length and angle …