Postdoc in micromagnetic modelling of novel rare-earth free permanent magnets - DTU Energy

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Postdoc in micromagnetic modelling of novel rare-earth free permanent magnets - DTU Energy
Kgs. Lyngby, Denmark

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Job Description

At the Technical University of Denmark, Department of Energy Conversion and Storage (DTU Energy) we are looking for an excellent postdoc to work on modeling of new permanent magnets.

In 2020 we celebrated the discovery of electromagnetism by H.C. Ørsted 200 years ago – the founder of the Technical University of Denmark. Since Ørsted’s initial discovery, magnets have become omni-present in our daily life, finding their way into everything from loudspeakers to generators in wind turbines and power plants. The strongest magnets today contain rare-earth metals, which are associated with uncertain supply chains, pollution due to mining, and geopolitical issues. Therefore, research on alternative rare-earth free magnets is a top priority and paramount for green and sustainable growth.

Responsibilities and qualifications
In the project from the Independent Research Fund Denmark, which this postdoc position is a part of, we will investigate enhancing the magnetic performance of rare-earth free permanent magnets through optimal nanocomposites of grains with specific crystallite orientation as well as controlled microstructure. Our partners at Aarhus University will work on the chemistry of the magnets and your part in the project will be to investigate our rare-earth free magnets using our state-of-the-art open-source micromagnetic model, MagTense, and to develop this model even further. 

The material considered in this project is created by packing and orienting powders of magnetic nano-particles. You will both model how the magnetization and magnetic field varies within the individual rare-earth free magnetic particles but also within packings of particles, as we know that this crucially affects magnetic properties. The questions we are trying to answer are the following:

• How does the magnetic field inside a particle depend on the geometry of that particle?
• What is the best geometry, e.g. aspect ratio, of magnetic particles for the collective behavior to have the overall best magnetic properties?
• Can both magnetic field strength (remanence) and magnetic field resistance (coercivity) be optimized at the same time by tuning the particle shape?

In collaboration with a PhD-student at Aarhus University, you will validate your modeling results against experiments. You will have the opportunity to suggest new experiments and compare the resulting measured experimental properties with your modeling results and thus, together, realize the optimal magnet. You will also have the opportunity to carry out measurements of magnetic properties yourself, using our unique magnetic measuring systems.
Qualified applicants must have:

• PhD degree in physics, astronomy, mathematics, engineering, chemistry or similar.
• Experience with static magnetism (magnetostatics) as gained e.g. from physics courses in electromagnetism. 
• Experience with modelling techniques and preferably some experience with numerical approximations. 
• Experience with Matlab, Python or Fortran.
• Ability to work independently, to plan and carry out complicated tasks, and to contribute to the work of a large, dynamic group. 
• Good communication skills in English, both written and spoken.

We offer
DTU is a leading technical university globally recognized for the excellence of its research, education, innovation and scientific advice. We offer a rewarding and challenging job in an international environment. We strive for academic excellence in an environment characterized by collegial respect and academic freedom tempered by responsibility. 

Salary and terms of employment 
The appointment will be based on the collective agreement with the Danish Confederation of Professional Associations. The allowance will be agreed upon with the relevant union.

The period of employment is 2 years. 

Starting date is early summer 2024 (or according to mutual agreement). The position is a full-time position.

You can read more about career paths at DTU here .

Further information 
Further information may be obtained from Professor Rasmus Bjørk, +45 46 77 58 95, [email protected]

If you are applying from abroad, you may find useful information on working in Denmark and at DTU at DTU – Moving to Denmark .

Application procedure 
Your complete online application must be submitted no later than 15 April 2024 (23:59 Danish time). 

Applications must be submitted as one PDF file containing all materials to be given consideration. To apply, please open the link "Apply now", fill out the online application form, and attach all your materials in English in one PDF file. The file must include:

• Application (cover letter)
• CV
• Academic Diplomas (MSc/PhD – in English)
• List of publications 

Applications received after the deadline will not be considered.

All interested candidates irrespective of age, gender, disability, race, religion or ethnic background are encouraged to apply.

DTU Energy
Is focused on education, research, and development within functional materials and their application in sustainable energy technologies. In a sustainable energy system, a large part of the energy will be supplied by fluctuating sources such as solar and wind power. This makes it critically important to be able to convert and store the energy as needed. Our research areas include fuel and electrolysis cells, solar cells, and batteries as well as advanced filtration devices. We are ca. 250 employees. Additional information about the department can be found on  www.energy.dtu.dk .

Technology for people
DTU develops technology for people. With our international elite research and study programmes, we are helping to create a better world and to solve the global challenges formulated in the UN’s 17 Sustainable Development Goals. Hans Christian Ørsted founded DTU in 1829 with a clear mission to develop and create value using science and engineering to benefit society. That mission lives on today. DTU has 13,500 students and 6,000 employees. We work in an international atmosphere and have an inclusive, evolving, and informal working environment. DTU has campuses in all parts of Denmark and in Greenland, and we collaborate with the best universities around the world.

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Job Info

• Job Identification 3346
• Job Category VIP B
• Posting Date 03/15/2024, 05:27 AM
• Apply Before 04/15/2024, 05:59 PM
• Locations Fysikvej , Kgs. Lyngby, 2800, DK

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