2 PhD positions: Real structure of materials with local lattice instabilities 100%, Zurich, fixed-term
vor 1 Monat
The research group of Prof. Simonov is looking for two highly motivated candidates with a strong interest in material development and characterization. The project will combine the experimental characterization of crystals on large-scale facilities and their computational modeling.
The positions are available from December 2023 onwards.
Project backgroundOur group focuses on understanding and controlling disorder in single crystals. Typically disorder is considered as a sign of crystal imperfection, but we find that often it is beneficial for functional properties and also gives rise to fascinating physics.
The current project will focus on crystals in which disorder is driven by electron instabilities. These are chemically perfect crystals in which electrons have degenerate configurations and, as a result, occupy different states in different unit cells. Such structures show unusual physics, such as colossal magnetoresistance, and other forms of polaronic transport phenomena. In this project, you will develop novel approaches to experimentally probe such hidden states based on single crystal diffuse scattering, model them using coarse-graining of DFT calculations, and understand the influence of electronic disorder on their properties like colossal magnetoresistance or, in perspective, unconventional superconductivity.
Job descriptionTwo projects are available:
In Project 1 you will grow single crystals of perovskite and pyrochlore oxides, characterize them using x-ray and neutron diffraction on large-scale synchrotron and spallation sources, analyze their diffuse scattering and model their average and local structure, measure their magnetic and transport properties and identify the relation between disordered structure and observed properties.
Project 2 will also involve experiments at large facilities but is mostly computational. You will develop code for processing and analyzing single crystal diffuse scattering data, and model crystal electronic structure using Density Functional Theory (DFT), and coarse-grain DFT to run large-scale atomic simulations of the real structure of disordered solids.
Your profileProject I
- MSc in Physics, Chemistry, Materials Science, Mathematics, Computer Science or related subjects
- Experience x-ray or neutron diffraction, crystal growth, DFT calculations, lattice dynamics and/or strong programming skills (python, C++)
- Motivated, proactive and creative
for Project II
- Masters or equivalent degree in mathematics, computer sciences, physics, chemistry or related disciplines
- Very good programming skills
- Experience and knowledge in the fields of DFT modelling, statistical mechanics, Monte Carlo modelling is an advantage
ETH Zurich is a family-friendly employer with excellent wokring conditions. You can look forward to an exciting working environment, cultural diversity and attractive offers and benefits.
chevron_right Working, teaching and research at ETH Zurich We value diversity In line with our values, ETH Zurich encourages an inclusive culture. We promote equality of opportunity, value diversity and nurture a working and learning environment in which the rights and dignity of all our staff and students are respected. Visit our Equal Opportunities and Diversity website to find out how we ensure a fair and open environment that allows everyone to grow and flourish. Curious? So are we.We look forward to receiving your online application with the following documents:
- curriculum vitae
- a complete academic transcript including undergraduate and graduate courses
- copies of diploma/certificates
- contact information of 2-3 potential referees
- a short description of research interests
Please note that we exclusively accept applications submitted through our online application portal. Applications via email or postal services will not be considered. Questions regarding the position can be directed to Prof. Dr. Arkadiy Simonov (arkadiy.simonov@mat.ethz.ch) (no applications).
About ETH Zürich ETH Zurich is one of the world’s leading universities specialising in science and technology. We are renowned for our excellent education, cutting-edge fundamental research and direct transfer of new knowledge into society. Over 30,000 people from more than 120 countries find our university to be a place that promotes independent thinking and an environment that inspires excellence. Located in the heart of Europe, yet forging connections all over the world, we work together to develop solutions for the global challenges of today and tomorrow. About ETH Zürich ETH Zurich is one of the world’s leading universities specialising in science and technology. We are renowned for our excellent education, cutting-edge fundamental research and direct transfer of new knowledge into society. Over 30,000 people from more than 120 countries find our university to be a place that promotes independent thinking and an environment that inspires excellence. Located in the heart of Europe, yet forging connections all over the world, we work together to develop solutions for the global challenges of today and tomorrow.-
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