Design, parameterization, and implementation of atomic force fields for adsorption in nanoporous materials

D Dubbeldam, KS Walton, TJH Vlugt… - Advanced Theory and …, 2019 - Wiley Online Library
Molecular simulations are an excellent tool to study adsorption and diffusion in nanoporous
materials. Examples of nanoporous materials are zeolites, carbon nanotubes, clays, metal …

RASPA: molecular simulation software for adsorption and diffusion in flexible nanoporous materials

D Dubbeldam, S Calero, DE Ellis, RQ Snurr - Molecular Simulation, 2016 - Taylor & Francis
A new software package, RASPA, for simulating adsorption and diffusion of molecules in
flexible nanoporous materials is presented. The code implements the latest state-of-the-art …

Learning neural network potentials from experimental data via Differentiable Trajectory Reweighting

S Thaler, J Zavadlav - Nature communications, 2021 - nature.com
In molecular dynamics (MD), neural network (NN) potentials trained bottom-up on quantum
mechanical data have seen tremendous success recently. Top-down approaches that learn …

Atomic-scale friction on diamond: a comparison of different sliding directions on (001) and (111) surfaces using MD and AFM

G Gao, RJ Cannara, RW Carpick, JA Harrison - Langmuir, 2007 - ACS Publications
Atomic force microscopy (AFM) experiments and molecular dynamics (MD) simulations were
conducted to examine single-asperity friction as a function of load, surface orientation, and …

Computation of elastic constants of solids using molecular simulation: comparison of constant volume and constant pressure ensemble methods

G Clavier, N Desbiens, E Bourasseau… - Molecular …, 2017 - Taylor & Francis
We compute the elastic stiffness tensor of fcc argon at 60 K and 1 bar using molecular
simulation tools. Three different methods are investigated: explicit deformations of the …

Computation of the thermal elastic constants for arbitrary manybody potentials in LAMMPS using the stress-fluctuation formalism

G Clavier, AP Thompson - Computer Physics Communications, 2023 - Elsevier
This paper describes the implementation of the stress-fluctuation technique into the
LAMMPS code to compute the anisotropic thermal elastic constants tensor of materials. The …

[HTML][HTML] A simulation study of linker vacancy distribution and its effect on UiO-66 stability

E Acuna-Yeomans, JJ Gutiérrez-Sevillano… - Microporous and …, 2024 - Elsevier
In this work, we computationally investigate the impact of the distribution of linker vacancies
on the relative stability of defected UiO-66 structures. Analysis of a significant number of …

Method for analyzing structural changes of flexible metal− organic frameworks induced by adsorbates

D Dubbeldam, R Krishna, RQ Snurr - The Journal of Physical …, 2009 - ACS Publications
Metal− organic frameworks (MOFs) have crystal structures that exhibit unusual flexibility. An
extreme example is that of the “breathing MOF” MIL-53 that expands or shrinks to admit …

Elucidating the variable-temperature mechanical properties of a negative thermal expansion metal–organic framework

J Heinen, AD Ready, TD Bennett… - … applied materials & …, 2018 - ACS Publications
We report the first experimental study into the thermomechanical and viscoelastic properties
of a metal–organic framework (MOF) material. Nanoindentations show a decrease in the …

Elastic constants of silicon materials calculated as a function of temperature using a parametrization of the second-generation reactive empirical bond-order potential

JD Schall, G Gao, JA Harrison - Physical Review B—Condensed Matter and …, 2008 - APS
A parametrization for silicon is presented that is based on the second-generation reactive
empirical bond-order (REBO) formalism [Brenner, Shenderova, Harrison, Stuart, Ni, and …