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Home » Institute » Departments & Research Groups » Atomistic Modelling and Simulation

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Department

Atomistic Modelling and Simulation

Within the modelling activities of the three ICAMS departments, the department of Atomistic Modelling and Simulation works on the finest, most fundamental length scale of atomistic simulations.


Ralf DrautzRUB, Marquard
Prof. Dr. Ralf Drautz

Professor

Room: 02-521
Tel.: +49 234 32 29308
E-Mail: ralf.drautz@rub.de




Research

Illustration of the atomic cluster expansion..
Illustration of the atomic cluster expansion.
ICAMS, RUB

Our research has three main objectives:

  1. to obtain effective interatomic interactions from fundamental theories of the electronic structure;
  2. to employ effective interatomic interactions in large-scale and long-time atomistic simulations for obtaining effective models and parameters that may serve as input for the modelling activities of the two other ICAMS departments;
  3. to develop data-driven and high-throughput atomistic simulation methods for model validation and the discovery of novel materials.

Automated workflows together with high-throughput calculations are used to explore the chemical phase space of binary and ternary compounds, to validate trends in structural stability that are predicted by simplified models, and for a systematic analysis of interatomic potentials.

Density functional theory calculations and statistical machine learning are employed for computational materials design and assist and guide experimental research. High-throughput density functional calculations further help to improve and reparameterise thermodynamic databases.

Collaborative Research

The department contributes to several collaborative research projects:

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Members and Publications

Members
  • Bizot, Dr. Quentin
  • Bochkarev, Dr. Anton
  • Drautz, Prof. Dr. Ralf
  • Erhard, Dr. rer. nat. Linus
  • Fedorov, M. Sc. Evgenii
  • Forti, Dr. Mariano
  • Hammerschmidt, PD Dr. habil. Thomas
  • Hermichen, Christa
  • Huang, Dr. Liangzhao
  • Ibrahim, M.Sc. Eslam
  • Körmann, Dr. rer. nat. Fritz
  • Kumar, M.Sc. Rohan
  • Lysogorskiy, Dr. Yury
  • Menon, Dr. Sarath
  • Mrovec, Dr. Matous
  • Petrova, Dr. Anastasiia
  • Qamar, Dr. Minaam
  • Sánchez Ortega, Braulio
  • Smirnova, Dr. Daria
  • Starikov, Dr. Sergei
  • Vesti, Dr. Anders
  • Vishwakarma, M. Sc. Aditya
  • Voicu, M.A. Denisa Dumitrita
Recent Publications
  • S. Starikov, P. Grigorev, S.-H. Lee et al. Angular-dependent interatomic potential for large-scale simulation of bcc and hcp multi-component refractory alloys. Computational Materials Science, 262, 114369, (2026)
  • S. Starikov, Y. Lysogorskiy, M. Qamar et al. Atomic cluster expansion for the aluminum-magnesium-hydrogen system. Physical Review Materials, 9, 103606, (2025)
  • A. Grünebohm, M. Mrovec, M. Popov et al. Efficient local atomic cluster expansion for BaTiO3 close to equilibrium. Physical Review Materials, 9, 104409, (2025)
  • J. Zhang, X. Xu, F. Körmann et al. Lattice distortions and non-sluggish diffusion in BCC refractory high entropy alloys. Acta Materialia, 297, 121283, (2025)
  • P. Kumar, F. Körmann, B. Grabowski et al. Machine learning potentials for hydrogen absorption in TiCr2 Laves phases. Acta Materialia, 297, 121319, (2025)
  • M.-Y. Sung, T.-J. Jang, S.-Y. Song et al. Ultrastrong and ductile CoNiMoAl medium-entropy alloys enabled by L12 nanoprecipitate-induced multiple deformation mechanisms. Journal of Materials Science & Technology, 225, 72-86, (2025)

All publications

Theses
  • Sachin Rangaswamy. Exploring the role of multi-ion doping in improving electrochemical performance of LiVO3 cathode material through First-Principles studies. Master Thesis, 2025
  • A. Egorov. Atomistic simulation of iron-cobalt and niobium: from electrons to dislocations. Ph.D., 2024
  • S. Namireddy. Development, validation and comparision of atomic cluster expansion and ReaxFF inter-atomic potentials for Li-V-O terinary material system. Master Thesis, 2024
  • I. Pietka. Atomistic simulation of partitioning in superalloys. Ph.D., 2024
  • A. Abbass. Atomistic simulation of grain boundary structural transformations in bcc metals. Master Thesis, 2023
  • T. Pradhan. Atomistic simulations of hydrogen interactions with crystal defects in bcc-Fe. Ph.D., 2023
  • Y. Liang. Atomistic transformations during nucleation and interface migration in metals. Ph.D., 2023
  • P. Huang. Molecular dynamic simulations of Si surfaces and growth. Master Thesis, 2023
  • M. Rinaldi. Modelling magnetism from the electronic structure to continuum for iron and its alloys. Ph.D., 2022
  • M. Morales Cócera. Sampling equilibrium states in 2D Lennard-Jones systems with Boltzmann Generators. Master Thesis, 2022
  • A. Subramanyam. Atomistic modelling of defects in transition metal alloys. Ph.D., 2022
  • M. Grabowski. Atomistic simulations of vacancy mobility in the γ–phase of Ni-based superalloys. Ph.D., 2021
  • W. Hu. Generative deep neural networks for x-ray diffractograms decomposition. Master Thesis, 2021
  • S. Amariamir. Combining active and transfer learning for data-guided search of new materials. Master Thesis, 2020
  • D. Ivanova. Atomistic modelling of the interface between fcc and σ phases. Master Thesis, 2020
  • F. Okoro. Atomistic diffusion processes in Ni-based superalloys - model systems with up to four components. Master Thesis, 2020
  • S. Jaeger. Atomistic simulation study of self-diffusion in dislocations of bcc Mo. Master Thesis, 2019
  • Jamebozorgi Vahid. Atomistic simulation of self-diffusion in dislocations of bff Mo. Master Thesis, 2019
  • M. Qamar. Atomistic simulation of magnetic properties of defects in iron systems. Master Thesis, 2019
  • J. Jenke. Automated parametrization and validation of simplified models of the interatomic interaction. Ph.D., 2019
  • D. Korbmacher. Ab initio study of strongly anharmonic and dynamically unstable systems. Ph.D., 2019
  • A. Egorov. Modelling the mechanical properties of complex solid solution alloys with analytic bond-order potentials. Master Thesis, 2019
  • A. Izardar. Investigation of self-diffusion in Mo using classical molecular dynamics simulations. Master Thesis, 2017
  • T. Pradhan. Comparison of various interatomic potentials for point-defect migration in transition metals. Master Thesis, 2017
  • D. Alfaouri. Atomistic modelling of interfaces between topologically close-packed and cubic structures. Master Thesis, 2017
  • Y. Liang. Nucleation in Ni-Al alloys - an atomistic study. Master Thesis, 2017
  • S. Menon. Transition path sampling of seeded nucleation during solidification in nickel. Master Thesis, 2017
  • V. Begum. Parallelization of the Wolff single-cluster algorithm in 2D Ising model with MPI. Master Thesis, 2016
  • C. Park. DFT+U calculations of delithiation at Σ2 tilt grain boundary in Li[Co1/3Ni1/3Mn1/3]O2 cathode material for Lithium-ion battery. Master Thesis, 2015
  • N. Gunda. Coarse grained lattice dynamics using compressive sensing / sporse parametrization of force-contant matrics applied to phonon dynamics. Master Thesis, 2014


Groups

Four groups represent the department’s focus on establishing a coherent link from the electronic structure through atomistic simulations to meso- and macroscopical modelling hierarchies.

Atomistic simulation of structural and phase stability

PD Dr. habil. Thomas Hammerschmidt

Atomistic simulation of mechanical behaviour

Dr. Matous Mrovec
 

Data-driven methods for atomistic simulations

Dr. Yury Lysogorskiy

Atomistic simulation of thermodynamic properties

Dr. Sarath Menon
 

Atomistic simulation of compositionally complex alloys

Dr. Fritz Körmann

AMS group photo July 2025.
AMS group photo July 2025.
RUB, Marquard
Contact and Office Hours

Department of Atomistic Modelling and Simulation
ICAMS
Ruhr-Universität Bochum
Universitätsstr. 150
44801 Bochum
Germany

Building/Room: IC 02-519

E-Mail: atom-office@icams.rub.de

Tel.: +49 234 32 29310

Office hours:
Mon – Fri: 10.00 a.m. – 12.00
and 1.00 p.m. – 3.00 p.m.

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