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PhD and Postdoc positions at ICAMS, Ruhr-Univers ... (No replies)

drautz
4 days ago
drautz 4 days ago

The department for Atomistic Modelling and Simulation at ICAMS, Ruhr-Universität Bochum, Germany, invites applications for several PhD and Postdoc positions:

1. Data-driven methods and high-throughput atomistic simulations for the exploration of multi-principal element alloys

A PhD or Postdoc position is available in the research group Data-Driven Methods for Atomistic Simulations [2]. The successful candidate will work on the exploration of phase stability, functional and mechanical properties of multiple-principal element alloys in close collaboration with dedicated combinatorial high-throughput experiments [3]. To this end the successful candidate will perform statistical analysis, utilize data science tools on diverse datasets both from simulations and experiments, build machine-learning models and complement it with high-throughput density functional theory calculations to guide the design of new multiple-principal element alloys.

Requirements:
- Master degree in Physics, Chemistry, or related discipline
- Curiosity and motivation to work in interdisciplinary field of materials informatics
- Strong programming skills
- Good oral and written communication skills in English

Experience with common machine-learning tools in Python (scikit-learn, Tensorflow, etc.)  and/or electronic structure simulation codes (e.g. VASP, FHI-aims) is highly desirable.

2. Development, validation and application of a magnetic bond order potential for the Fe-C system

A PhD or Postdoc position is available the research group Atomistic Simulation of Mechanical Behaviour [4]. The primary objective of this research project is to develop a magnetic bond-order potential (BOP) that will be capable of describing quantitatively the atomic-scale behavior of the technologically important Fe-C system. The developed BOP model shall be able to cover the whole composition range from individual elements over dilute C concentrations in the Fe matrix up to large C concentrations where diverse carbide phases are formed. We plan to employ the BOP for computational studies of a broad range of configurations and conditions, for instance, interactions of interstitial carbon atoms with extended defects such as dislocations and grain boundaries, interfaces between the Fe matrix and carbon atoms or carbide particles, mechanisms of structural and magnetic phase transitions, and mobilities of phase interfaces (ferrite/austenite, martensite/austenite).

Requirements:
- Master degree in Physics, Chemistry, or related discipline
- Curiosity and motivation to work in an interdisciplinary team
- Good oral and written communication skills in English

We seek candidates with a strong background in quantum mechanics, solid state physics, metallurgy and materials science. Previous experience with atomistic modeling, in particular, with the development and validation of models of interatomic interactions presents an advantage.

3. Atomistic modelling of magnetic excitations in Fe-Co alloys at elevated temperature

A PhD position is available the research group Atomistic Simulation of Structural and Phase Stability [5]. This PhD project will model the structural and magnetic transitions in Fe-Co by coarse-grained electronic structure methods. Particular focus is on the stability of non-collinear magnetic excitations and of magnetic skyrmions in thin films by spin dynamics. The project will be carried out in close collaboration with a French-German consortium on Fe-based alloys.

Requirements:
- Master degree in Physics, Chemistry, or related discipline
- Curiosity and motivation to work in an interdisciplinary team
- Good oral and written communication skills in English

Strong candidates will have a background in quantum mechanics and solid state physics as well as good programming skills.

[1] http://www.icams.de/content/departments/atomistic-modelling-and-simulation/

[2] http://www.icams.de/content/departments/atomistic-modelling-and-simulation/data-driven-methods-for-atomistic-simulations/

[3] https://www.ruhr-uni-bochum.de/wdm/forschung/index.html.de

[4] http://www.icams.de/content/departments/atomistic-modelling-and-simulation/atomistic-simulation-of-mechanical-behaviour/

[5] http://www.icams.de/content/departments/atomistic-modelling-and-simulation/bond-order-potential-development/

 

Please send your complete application documents including your CV and a short motivation letter to [email protected] . In your application clearly state the project for which you are applying. The closing date for applications is 30 November 2018.




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Ab initio (from electronic structure) calculation of complex processes in materials