Master Thesis in the Competence Center for Micro- and Nanotechnologies

The Leibniz Institute of Photonic Technology e.V. (Leibniz-IPHT) in Jena is a non-university research institution and is closely related to the Friedrich Schiller University Jena and a member of the Leibniz Association. The Competence Center for Micro- and Nanotechnologies at Leibniz-IPHT now offers the possibility for a

Master Thesis

“Development of ultra-thin niobium nitride layers and stacks for superconducting quantum circuits”

The international prominent research in the fields of quantum computing and quantum metrology requires ultra-thin layers and structures made of materials, which have superior electrical properties at cryogenic temperatures. Here, superconducting niobium nitride (NbN) plays a key role, as it is possible to deposit homogeneously ultra-thin layers of NbN by means of plasma-enhanced atomic layer deposition (PE-ALD).

Your Tasks:

  • Methodical optimization of ultra-thin NbN films via PE-ALD
  • Fabrication of micro-bridges and simple electronic circuitries
  • Investigation of insitu passivation-coatings
  • Determination of superconducting properties of NbN layers and micro-bridges at cryogenic temperatures
  • Investigation of time-dependent stability of ultra-thin NbN films

Your skills and expertise:

  • Bachelor`s degree in physics/material sciences (FH/Uni) or equivalent
  • Experimental skills and interest in working in cleanroom
  • The ability to work creatively and independently towards developing your own research project

We offer:

  • An interdisciplinary research within two groups/departments at Leibniz IPHT: Competence Center for Micro- and Nanotechnologies and Quantum Systems
  • Payment on basis of student assistant

Further information about scientific details of the project can be obtained from:

Dr. Mario Ziegler (, Tel: 03641-206539) or

Dr. Sven Linzen (, Tel: 03641-206122).

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