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In studying solidification process by simulations on the atomic scale, the modeling of crystal nucleation or amorphisation requires the construction of interatomic interactions that are able to reproduce the properties of both the solid and…

Homogeneous nucleation from aluminum (Al) melt was investigated by million-atom molecular dynamics (MD) simulations utilizing the second nearest neighbor modified embedded atom method (MEAM) potentials. The natural spontaneous homogenous…

Materials Science · Physics 2019-05-02 Avik Mahata , Mohsen Asle Zaeem , Michael I. Baskes

We investigate the structural and dynamical properties of binary aluminum-titanium liquid metallic alloys, as a function of temperature and composition. We make use of MD-simulations, using a transferable machine-learning potential…

Atomistic simulations using an EAM potential are carried out to investigate the first stages of plasticity in aluminum slabs, in particular the effect of both temperature and step geometry on the nucleation of dislocations from surface…

Other Condensed Matter · Physics 2007-10-02 Pierre Hirel , Sandrine Brochard , Laurent Pizzagalli , Pierre Beauchamp

Solid-state cooling using barocaloric materials is a promising avenue for eco-friendly, inexpensive and highly efficient cooling. To design barocaloric compounds ready for deployment, it is essential to understand their thermodynamic…

Materials Science · Physics 2022-08-31 Bernet E. Meijer , Guanqun Cai , Franz Demmel , Helen C. Walker , Anthony E. Phillips

We investigate the basic thermal, mechanical and structural properties of body centred cubic iron ($\alpha$-Fe) at several temperatures and positive loading by means of Molecular Dynamics simulations in conjunction with the embedded-atom…

Materials Science · Physics 2017-02-17 Kostadin G. Gaminchev

Solidification governs the microstructure and, therefore, the mechanical response of metal components, yet the atomistic details of nucleation and defect formation are often difficult to determine experimentally. Molecular dynamics can…

Computational Physics · Physics 2026-03-26 Ian Störmer , Julija Zavadlav

In interiors of celestial objects matter is subdued to extremely high values of pressure.Theoretical analysis of the behaviour of atoms and molecules under high pressure is a complex quantum mechanical and statistical problem. The aim of…

Quantum Physics · Physics 2013-12-24 V. Celebonovic Belgrade

The interaction of mass-selected atomic clusters and nanoparticles with surfaces attracts strong interest in view of fundamental research and technological applications. Understanding dynamics of the deposition process is important for…

Atomic and Molecular Clusters · Physics 2021-07-12 Yannick Fortouna , Pablo de Vera , Alexey Verkhovtsev , Andrey V. Solov'yov

Rapid solidification leads to unique microstructural features, where a less studied topic is the formation of various crystalline defects, including high dislocation densities, as well as gradients and splitting of the crystalline…

The interaction between cracks, as well as their propagation, in single-crystal aluminum is investigated at the atomic scale using the molecular dynamics method and the modified embedded atom method. The results demonstrated that the crack…

Materials Science · Physics 2021-04-27 Hua Ji , Keliang Ren , Lihong Ding , Ting Wang , Jimin Li , Jia Yang

Molecular dynamics (MD) simulations were performed to study the cumulative bombardments of low-energy (60-200 eV) helium (He) atoms on tungsten (W) surfaces. The behaviour of He and the response of the W surface were investigated. The He…

Materials Science · Physics 2015-06-18 Min Li , Jiechao Cui , Jun Wang , Qing Hou

Ice templating of colloidal suspension is gaining interest in material science because it offers the possibility to shape advanced materials, and in particular porous ceramics. Recent investigations on this peculiar process show that a…

Materials Science · Physics 2018-04-03 Andrea Bareggi , Eric Maire , Audrey Lasalle , Sylvain Deville

We have carried out molecular dynamics simulations of the crystallization of hard spheres modelling colloidal systems that are studied in conventional and space-based experiments. We use microscopic probes to investigate the effects of…

Condensed Matter · Physics 2009-11-07 Igor Volkov , Marek Cieplak , Joel Koplik , Jayanth R. Banavar

Molecular Dynamics simulations are becoming a powerful tool for examining and predicting atomic and molecular processes in various environment. The present review shows how, in the fields of plasma physics, chemistry and interactions with…

Plasma Physics · Physics 2023-12-14 Pascal Brault

The structural and dynamic properties of silica melts under high pressure are studied using molecular dynamics (MD) computer simulation. The interactions between the ions are modeled by a pairwise-additive potential, the so-called CHIK…

Disordered Systems and Neural Networks · Physics 2009-11-13 Juergen Horbach

Molecular dynamics simulation is used to investigate the crystallization of a classical two-dimensional electron system, in which electrons interact with the Coulomb repulsion. From the positional and the orientational correlation…

Condensed Matter · Physics 2009-10-31 Satoru Muto , Hideo Aoki

Our recent modelling works and corresponding numerical simulations realized to describe the UO2 oxidation processes confirm the theory showing that an applied mechanical strain can strongly affect the local oxygen diffusion in a stressed…

Materials Science · Physics 2013-01-10 Laura Raceanu , Virgil Optasanu , Tony Montesin , Nicolas Creton

Ab initio molecular dynamics simulation is used to investigate the structure and dynamics of liquid Se at temperatures of 870 and 1370~K. The calculated static structure factor is in excellent agreement with experimental data. The…

mtrl-th · Physics 2009-10-28 F. Kirchhoff , M. J. Gillan , J. M. Holender

We have studied the dependence of metal oxide properties in molecular dynamics (MD) simulations on the polarizability of oxygen ions. We present studies of both liquid and crystalline structures of silica (SiO2), magnesia (MgO) and alumina…

Materials Science · Physics 2012-11-13 Philipp Beck , Peter Brommer , Johannes Roth , Hans-Rainer Trebin
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