The Paul Scherrer Institute PSI is the largest research institute for natural and engineering sciences within Switzerland. We perform cutting-edge research in the fields of future technologies, energy and climate, health innovation and fundamentals of nature. By performing fundamental and applied research, we work on sustainable solutions for major challenges facing society, science and economy. PSI is committed to the training of future generations. Therefore, about one quarter of our staff are post-docs, post-graduates or apprentices. Altogether, PSI employs 2200 people.

For the Nuclear Fuels group of the Laboratory for Nuclear Materials we are looking for a

PhD Student Creep of zirconium based nuclear fuel claddings

Your tasks

  • Perform thermomechanical and creep tests of zirconium alloy samples
  • Understand and describe hydrogen diffusion and precipitation in the test material
  • Use advanced characterization methods like scanning and transmission electron microscopy
  • 3D visualization and analyses of the tested material, including using cutting-edge neutron imaging
  • Cooperate with our partners from industry
  • Publish your results at international conferences and in peer-reviewed journals

Your profile

  • Master’s degree in mechanical science, materials science, chemistry or nuclear engineering
  • Good and solid knowledge of materials, diffusion and thermomechanical behavior
  • Proven problem-solving skills, creative and hands-on personality
  • Ability to work in a multidisciplinary and international team
  • Very good communication skills and good knowledge of English, knowledge of German is an advantage
  • You are prepared to support work in a hot laboratory and to take shifts of beam campaigns

We offer

Our institution is based on an interdisciplinary, innovative and dynamic collaboration. You will profit from a systematic training on the job, in addition to personal development possibilities and our pronounced vocational training culture. If you wish to optimally combine work and family life or other personal interests, we are able to support you with our modern employment conditions and the on-site infrastructure.

For further information, please contact Dr Liliana Duarte +41 56 310 21 16,, or Dr Johannes Bertsch, phone +41 56 310 41 73,

Please submit your application online by 31 July 2024 (including addresses of referees) for the position as a PhD Student (index no. 4602-02).

Paul Scherrer Institut, Human Resources Management, Serdal Varol, 5232 Villigen PSI, Switzerland