We have a vacancy for a PhD Resarch Fellow postion at the Department of Physics. The appointment has a duration of 3 years with the possibility of until 1 year extension with teaching duties in agreement with the Department. The PhD candidate will be based at, and perform the bulk of the experiments at the International Research Institute of Stavanger (IRIS), Norway, in close collaboration with NTNU and Institute for Energy Technology (IFE) at Kjeller, Norway. The position reports to Head of Department Erik Wahlstrøm.