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The Leibniz Institute for Crystal Growth (IKZ) is a leading research institution in the area of crystal growth of technologically important materials for micro-, opto- and power electronics, sensors, optics and laser technology. This ranges from explorative fundamental research to pre-industrial development. It is part of Forschungsverbund Berlin e.V. and a member of the Leibniz Association. You may find more details at
We are presently offering a

PhD Position (m/f)

for the topic:

"Development of Crystal Growth process for high-purity Germanium crystals for radiation detectors"

The position is part of a project for development of high-purity Germanium detectors for the purpose of neutrino-less double beta decay search. The role of IKZ is to optimize the crystal growth process for detector grade high purity Germanium.
Job description:
  • The successful candidate is expected to work on the development of zone refinement and Czochralski crystal growth process of Germanium with the existing apparatus.
  • Analyses Germanium crystals for crystal defects and impurities.
  • Based on the results makes proposal for the optimization of the growth process and improvement of the apparatus.
  • Studies the growth parameters using simulation tools.
  • Presents the results at international conferences and in scientific journals.
  • Applicants must have a master degree in physics or engineering in a related field with relevant experience.
  • Basic knowledge in the field of growth and characterization of semiconductor crystals.
  • Good English language skills written and oral.
  • Good experimental skills and interest in applied sciences.
For academic questions please contact: Dr. Frank M. Kießling, Tel.: +49 30/6392-3033, email:
The employment will be limited to three years and paid according to the TVöD Bund (labour agreement) (75 %). Among equally qualified applicants, preference will be given to disabled candidates. The IKZ is an equal opportunity employer and actively supports reconciliation of work and family life.
We await your informative application with reference to the job number K14/17, including the usual documents, by January 22nd, 2018. Please send them to:

Closing date: 22.01.2018
Closing date: 22 January 2018 Published on on date 21 December 2017
In your application, please refer to