Post-doc for Bragg diffraction imaging, characterization of defects within crystals for applications

Context & Job description

The ESRF has developed a series of Bragg diffraction imaging techniques for the visualization and characterization of defects in crystals. Two of them (“white beam topography” and “rocking curve imaging”) are implemented at the BM05 beamline. The aim of this work is to help enhancing the capabilities of these techniques, which provide results with a spatial resolution in the µm range and an angular resolution in the µradian range, to study the new and improved crystalline materials that are grown for applications. A first, important, task will focus on diamond crystals designed to be used as an undulator for high energy range beam. The retained candidate will benefit from a practical and theoretical training, and will participate in the experiments and in the interpretation of the results, together with the ESRF BM05 small team, and in close collaboration with a number of scientific European teams working in the field of crystal growth, semiconductors for electronics and optoelectronics, or crystals used for mechanical applications. Whereas some of the results will constitute industrial secrets and will remain confidential, most of results can be (and will be) published. 

Further information may be obtained from Thu-Nhi Tran Caliste (tel.: +33 (0)4 76 88 23 92, email:

Expected profile

  • PhD in physics, chemistry, material science, or closely related science obtained less than 3 years ago
  • Prior knowledge of basic characterization techniques of defects, and X-ray diffraction, would be an advantage
  • Proficiency in English (working language at the ESRF)

Working conditions

Contract of 18 months, renewable for a further 6 to 18-month period.

What we offer:

  1. Be inspired by our innovative research institute, with an international workforce from 38 different countries
  2. Collaborate with global experts on real-world science
  3. Come and live in a vibrant city, in the heart of the Alps, and Europe's Green Capital 2022
  4. Enjoy a workplace designed to support your quality of life
  5. Benefit from our competitive compensation and allowances package, including financial support for your relocation to Grenoble

For further information on employment terms and conditions, please refer to

The ESRF is an equal opportunity employer and encourages applications from disabled persons.

If you are interested in this position, please apply online at

Company description

The European Synchrotron, the ESRF, is an international research centre based in Grenoble, France.

Through its innovative engineering, pioneering scientific vision and a strong commitment from its 700 staff members, the ESRF is recognised as one of the top research facilities worldwide. Its particle accelerator produces intense X-ray beams that are used by thousands of scientists each year for experiments in diverse fields such as biology, medicine, environmental sciences, cultural heritage, materials science, and physics.

Supported by 21 countries, the ESRF is an equal opportunity employer and encourages diversity.

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