Postdoc in Phonon Photography

Friday 20 Mar 20

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One Postdoc position is now available at DTU Physics’ NEXMAP Section. At NEXMAP, we utilize and develop the possibilities for investigating Materials Physics, which are offered by latest-generation X-ray and Neutron sources. This Postdoc position is focused on harnessing the power of X-ray Free Electron Lasers for the emerging technique of Dark-Field X-ray Microscopy.

The new Postdoc position is funded by an ambitious Villum Experiment Project. The focus of the Postdoc project will be to develop and use an x-ray methodology  that will allow us to observe the real-time dynamics of strain fields and, eventually, phonons deep in the bulk of hard, crystalline materials like ferroelectrics. The project will be carried out in close collaboration with experts in both Dark Field X-ray Microscopy and XFEL science.

Responsibilities and tasks
The successful candidate for this position will be in charge of designing and implementing X-ray instrumentation that will allow Dark Field X-ray Microscopy experiments to be carried out at XFEL sources. This will involve: 

  • Conceptual design of such an instrument
  • Detailed optics and mechanical design, including detector requirements
  • Building and testing the instrument, both at our state-of-the-art suite of X-ray instruments ( as well as at synchrotron and XFEL beamlines.
  • Development of data analysis strategies
  • Participation in proof-of-concept experiments, data analysis and article writing
This work will take place within a group currently consisting of two faculty, 2 postdocs and 3 PhD students focused on various aspects of hard condensed matter and ultrafast science enabled by X-ray Free Electron Lasers and X-ray microscopy.

Candidates should have a PhD in physics, materials science or similar and should be able to document a strong background in X-ray instrumentation from both a design- and implementation point of view. The right candidate for the job should further be self-motivated as well as goal-oriented and as the project is strongly collaborative by its very nature, the candidate should have good communications skill in English as well as excellent interpersonal skills and an outgoing nature.

The assessment of the applicants will be made by Senior Scientist Kristoffer Haldrup and Assistant Professor Hugh Simons based on the submitted applications (see below), as well as a personal interview with final candidates.

We offer

This Postdoc is in the NEXMAP section at DTU Physics, a very diverse section with approx. 40 faculty, postdocs and students engaged in developing and using X-ray and neutron instrumentation for impactful Materials Science.  We have a friendly and dynamic research environment with daily interaction among all group members, and we strive to have PhD-students as well as postdocs actively engaged in all tasks, from student project supervision to proposal writing and publication of high-impact journal articles. We offer a rewarding and challenging job in an international environment, with a project that may be transformative for this class of experiments and as such offers excellent opportunities for both personal and professional growth. DTU is a leading technical university globally recognized for the excellence of its research, education, innovation and scientific advice and we strive for academic excellence in an environment characterized by collegial respect and academic freedom tempered by responsibility. The university is located in close proximity to the beautiful city of Copenhagen.

Salary and appointment terms
The appointment will be based on the collective agreement with the Danish Confederation of Professional Associations. The salary is approximately 50,000 euro a year. The period of employment is 2 years.

The work will take place at the DTU campus in Lyngby, but will include a series of beamtimes at Synchrotrons and XFELs.

You can read more about career paths at DTU here.

Further information
For further information please contact Senior Scientist Kristoffer Haldrup, or Assistant Professor Hugh Simons,

You can read more about DTU Physics at

Application procedure
Please submit your online application via the DTU website no later than 1 May 2020 (23:59 local time). Applications must be submitted as one PDF file containing all materials to be given consideration. To apply, please open the link "Apply online", 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
  • Diploma (MSc/PhD)
  • Any Letters of Recommendation
  • List of publications
Applications and enclosures 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.

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 vision to develop and create value using science and engineering to benefit society. That vision lives on today. DTU has 11,500 students and 6,000 employees. We work in an international atmosphere and have an inclusive, evolving, and informal working environment. Our main campus is in Kgs. Lyngby north of Copenhagen and we have campuses in Roskilde and Ballerup and in Sisimiut in Greenland.