Postdoc in electronic oxide-based quantum devices - DTU Energy
Technical University of Denmark · Kongens Lyngby
Are you passionate about experimental research in condensed matter physics, experienced in the art of clean-room fabrication, and curious about the role of topology in the characteristics of superconducting devices at ultra-low temperatures? Then maybe you are the one we are looking for!
Interfaces between complex oxides exhibit amazing and often surprising electronic phases and functionalities. The canonical example are interfaces between SrTiO3 and LaAlO3 or AlOx. Although each material is a large band-gap insulator, a metallic two-dimensional electron gas appears at the interface when they are merged in a heterostructure. This electronic system is extraordinary; it exhibits high mobility, strong spin-orbit coupling and even intrinsic superconductivity with a gate-tunable transition temperature. Importantly, the system shares key properties with semiconductors in that they are susceptible to electrostatic gating and can be processed by semiconductor processing tools.
We have an opening for a 2-year postdoc to work on fabrication and measurements of oxide based quantum devices. The main activities for the successful candidate will be clean-room device fabrication (electron beam lithography, etc.), detailed quantum transport measurements at milli-kelvin temperatures, and close interactions with material growers. Devices will be fabricated using DTU’s on-campus state-of-the-art clean-room facilities, and quantum transport measurements will be carried out in a dedicated dilution refrigerator setup at DTU Energy.
- Responsibilities and qualifications
- In the section for functional oxides, we currently have a large portfolio of projects focusing on complex oxide heterostructures, semiconductors and electronic characterization under external stimuli. In addition to fabrication and measurements of oxide devices, the candidate will be broadly involved in these activities to strengthen the link between the materials science of the section and electronic device fabrication as well as low temperature measurements.
Qualifications
- Experimental PhD in Physics, Nanoscience, Materials Science, Electrical Engineering, or similar
- A background/experience with oxide quantum materials is an advantage but not a requirement.
- A strong background in semiconductor processing (e-beam lithography, metal evaporation, etching techniques etc.)
- Experience in low-temperature quantum transport measurements.
- Ability to work independently, to plan, and carry out complicated tasks, and to be a part of a large, dynamical group.
- Good communication skills in English, both written and spoken
As a formal qualification, you must hold a PhD degree (or equivalent).
- 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. In addition, supplements can be negotiated in accordance with DTU’s salary structure for scientific staff: www.inside.dtu.dk/en/human-resources/during-employment/salary/salary-structures.
The period of employment is 2 years.
You can read more about career paths at DTU here.
- Further information
- Further information may be obtained from Prof. Thomas Jespersen, tsaje@dtu.dk
You can read more about DTU Energy at www.energy.dtu.dk and www.fox.energy.dtu.dk.
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 5 November 2026 (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. As DTU works with research in critical technology, which is subject to special rules for security and export control, open-source background checks may be conducted on qualified candidates for the position.
The Department of Energy Conversion and Storage (DTU Energy) focuses on research and development of functional materials, components, and systems for sustainable energy technologies. The technologies include fuel cells, electrolysis, power-to-x, batteries, and carbon capture. The research is based on strong competences on electrochemistry, atomic scale and multi-physics modelling, autonomous materials discovery, materials processing, and structural analyses. We also focus on educating engineering students at all levels, ranging from BSc, MSc, PhD to lifelong learning students. We have about 300 dedicated employees. Read more about us at www.energy.dtu.dk.
DTU – For the benefit of society since 1829
DTU is one of Europe's leading elite technical universities. Through research and education at an international top level, we create solutions to the major societal challenges of our time and help secure Europe's global leadership in sustainable technological development. Since Hans Christian Ørsted founded DTU almost 200 years ago, our mission has remained the same: We develop and create value through the natural and technical sciences for the benefit of society. DTU has 13,800 students, 1,600 PhD students, and 6,500 employees. We work in an international environment and have an inclusive, stimulating, and informal work culture. DTU has campuses in all parts of Denmark and in Greenland and collaborates with the best universities around the world.
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