Multiscale modeling of materials: Computing, data science, uncertainty and goal-oriented optimization

N Kovachki, B Liu, X Sun, H Zhou, K Bhattacharya… - Mechanics of …, 2022 - Elsevier
The recent decades have seen various attempts at accelerating the process of developing
materials targeted towards specific applications. The performance required for a particular …

Atomistic processes of surface-diffusion-induced abnormal softening in nanoscale metallic crystals

X Wang, S Zheng, S Shinzato, Z Fang, Y He… - Nature …, 2021 - nature.com
Ultrahigh surface-to-volume ratio in nanoscale materials, could dramatically facilitate mass
transport, leading to surface-mediated diffusion similar to Coble-type creep in polycrystalline …

Interplay between Surface-Adsorbed CO and Bulk Pd Hydride under CO2-Electroreduction Conditions

JS Diercks, J Herranz, M Georgi, N Diklic… - ACS …, 2022 - ACS Publications
Palladium is an increasingly investigated electrocatalyst for the electrochemical reduction of
carbon dioxide due to its unique ability to yield carbon monoxide or formate with large …

Dynamics and Hysteresis of Hydrogen Intercalation and Deintercalation in Palladium Electrodes: A Multimodal In Situ X-ray Diffraction, Coulometry, and …

AT Landers, H Peng, DM Koshy, SH Lee… - Chemistry of …, 2021 - ACS Publications
Understanding hydrogen intercalation and deintercalation in palladium is the key to utilizing
palladium-based materials for hydrogen storage, hydrogen separations, and …

Exploring solute-defect interactions in nanosized palladium hydrides across multiple time scales

X Sun - Computational Materials Science, 2024 - Elsevier
We employ two different atomistic methods to investigate solute-defect interactions in
nanosized palladium–hydrogen (Pd–H) systems across multiple time scales. The first …

Hydride‐Induced Reconstruction of Pd Electrode Surfaces: A Combined Computational and Experimental Study

A Ngoipala, C Schott, V Briega‐Martos… - Advanced …, 2024 - Wiley Online Library
Designing electrocatalysts with optimal activity and selectivity relies on a thorough
understanding of the surface structure under reaction conditions. In this study, experimental …

Thermalized and mixed meanfield ADP potentials for magnesium hydrides

M Molinos, M Ortiz, MP Ariza - Mechanics of Materials, 2024 - Elsevier
We develop meanfield approximation and numerical quadrature schemes for the evaluation
of Angular-Dependent interatomic Potentials (ADPs) for magnesium and magnesium …

Size and Shape Dependence of Hydrogen-Induced Phase Transformation and Sorption Hysteresis in Palladium Nanoparticles

X Sun, R Jin - arXiv preprint arXiv:2405.08929, 2024 - arxiv.org
We establish a computational framework to explore the atomic configuration of a metal-
hydrogen (MH) system when in equilibrium with a H environment. This approach combines …

MXE: A package for simulating long-term diffusive mass transport phenomena in nanoscale systems

JP Mendez, M Ponga - Computer Physics Communications, 2021 - Elsevier
We present a package to simulate long-term diffusive mass transport in systems with atomic
scale resolution. The implemented framework is based on a non-equilibrium statistical …

Simulations of oxidation of metal nanoparticles with a grain boundary inside

VP Zhdanov - Reaction Kinetics, Mechanisms and Catalysis, 2020 - Springer
The generic 2D lattice Monte Carlo simulations presented herein are focused on the spatio-
temporal kinetics of oxidation of metal nanoparticles composed of two grains separated by a …