Defect energy calculations of nickel, copper and aluminium (and their alloys): molecular dynamics approach

S Chaturvedi, A Verma, SK Sethi, S Ogata - Forcefields for atomistic-scale …, 2022 - Springer
Stacking faults are defined as regions present in the crystal where the normal sequence of
stacking is disturbed. This takes place around a localized area. These defects come under …

Analysis of position-dependent cavity parameters in irradiated metals to obtain insight on fundamental defect migration phenomena☆

YR Lin, A Bhattacharya, SJ Zinkle - Materials & Design, 2023 - Elsevier
Motion of point defects is a fundamental process that governs microstructure and properties
of materials. Here, we examine the near-surface and grain boundary cavity swelling depth …

Atomistic modeling of meso-timescale processes with SEAKMC: A perspective and recent developments

S Hayakawa, J Isaacs, HR Medal, H Xu - Computational Materials Science, 2021 - Elsevier
On-the-fly kinetic Monte Carlo (kMC) methods have recently garnered significant attentions
after successful applications to various atomic-scale problems using a timescale outside the …

Novel effects of grain size and ion implantation on grain boundary segregation in ion irradiated austenitic steel

AK Hoffman, Y Zhang, M Arivu, L He, K Sridharan… - Acta Materialia, 2023 - Elsevier
Nuclear reactor environments are extreme in nature due to the combination of exposure to
corrosive coolant, mechanical stresses, and neutron irradiation damage. This combination of …

Off-lattice kinetic Monte Carlo methods

M Trochet, N Mousseau, LK Béland… - Handbook of materials …, 2020 - Springer
Exact modeling of the dynamics of chemical and material systems over experimentally
relevant time scales still eludes us even with modern computational resources. Fortunately …

Diffusion mechanism of bound Schottky defect in magnesium oxide

S Mahmoud, P Carrez, M Landeiro Dos Reis… - Physical Review …, 2021 - APS
In simple ionic crystals, intrinsic point defects must satisfy electrical neutrality and exist as
Schottky defects. In magnesium oxide (MgO), a Schottky defect is then a combination of …

[HTML][HTML] A hybrid off-lattice kinetic Monte Carlo/molecular dynamics method for amorphous thin film growth

S Ntioudis, JP Ewen, D Dini, CH Turner - Computational Materials Science, 2023 - Elsevier
The ability to understand and model the growth of amorphous thin films on solid surfaces is
essential to a wide range of industrial applications, from the deposition of wear-resistant …

[HTML][HTML] Accelerating off-lattice kinetic Monte Carlo simulations to predict hydrogen vacancy-cluster interactions in α-Fe

CJ Williams, EI Galindo-Nava - Acta Materialia, 2023 - Elsevier
We present an enhanced off-lattice kinetic Monte Carlo (OLKMC) model, based on a new
method for tolerant classification of atomistic local-environments that is invariant under …

Long-time point defect diffusion in ordered nickel-based binary alloys: How small kinetic differences can lead to completely long-time structural evolution

S Mahmoud, N Mousseau - Materialia, 2018 - Elsevier
In this paper, we characterize the effect of defect kinetics on the stability of ordered nickel-
based binary alloys, NiFe, NiCo and NiCu, using the kinetic Activation-Relaxation …

Kinetic Monte Carlo simulations of irradiation effects

C Becquart, N Mousseau, C Domain - 2020 - lilloa.univ-lille.fr
Monte Carlo (MC) techniques are among the most used techniques for modeling materials
at the atomic scale, with those of molecular dynamics. The name MC comes from the fact …