Job Information
Organisation/Company: European Synchrotron Radiation Facility
Research Field: Physics
Researcher Profile: First Stage Researcher (R1)
Positions: PhD Positions
Application Deadline: 4 Sep 2026 - 23:59 (Europe/Paris)
Country: France
Type of Contract: Temporary
Job Status: Full-time
Is the job funded through the EU Research Framework Programme?: Not funded by a EU programme
Reference Number: CFR 502
Is the Job related to staff position within a Research Infrastructure?: No
Offer Description
Context & Job description
As a PhD student based at the ESRF in Grenoble, you will develop neural-network-driven reconstruction tools for Scanning 3D X-ray Diffraction (S3DXRD), a technique capable of mapping grain-resolved orientation and strain fields in crystalline materials non-destructively at sub-micron resolution. Working with beamline scientists on ID11, ID03, and the ESRF Algorithms & scientific Data Analysis group, you will generate synthetic diffraction training data from simulated microstructures and use these to train neural networks that replace the current expert-intensive reconstruction process with something fast, robust, and accessible to industrial users. The project spans methods development, experimental validation, and open-source software release, sitting at the intersection of synchrotron science, materials characterisation, and scientific machine learning. The PhD is hosted by Université Grenoble Alpes (UGA) within the Physics doctoral school.
Responsibilities include:
- Develop a phantom microstructure generation pipeline and validate synthetic diffraction output against real ID11 datasets
- Train and validate neural network indexing models, progressing from box-beam to full scanning geometry
- Benchmark the automated pipeline against conventional reconstruction across a range of materials including deformed and additively manufactured samples
- Collaborate with crystal plasticity simulation groups to ensure training microstructures capture realistic orientation gradient fields
- Package, document and release an open-source reconstruction toolkit for the broader diffraction microstructure imaging community
Further information may be obtained from James Ball (tel.: +33 (0)4 76 88 22 73, email: james.ball@esrf.fr).
Expected profile
- Degree (MSc, Master 2, Laurea, or equivalent 300 ECTS) in Physics, Materials Science, Engineering, or a related field that qualifies for PhD enrollment in Physics at UGA
- Strong interest in X-ray diffraction and materials characterisation techniques
- A solid background in machine learning techniques
- Experience with Python
- Prior synchrotron or lab-based charaterisation techniques (EBSD, LabDCT) is a plus
- Motivated, independent, and collaborative mindset
- Proficiency in English (working language at the ESRF)
Working conditions
Contract of two years renewable for one year.
Do you recognize yourself in this description? Apply now for your next professional adventure!
What we offer:
- Join an innovative international research institute, with a workforce from 38 different countries
- Collaborate with global experts to advance science and address societal challenges
- Come and live in a vibrant city, in the heart of the Alps, and Europe's Green Capital 2022
- Enjoy a workplace designed to support your quality of life
- 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 https://www.esrf.fr/home/Jobs/what-we-offer.html
The ESRF is an equal opportunity employer and encourages applications from disabled persons.
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 19 countries, the ESRF is an equal opportunity employer and encourages diversity.
Where to apply
Website: https://jobstats.robopost.com/count/clic.php?v=2510797&j=636&external_ats_id=1997
Requirements
Research Field: Physics
Education Level: Master Degree or equivalent
Work Location(s)
Number of offers available: 1
Company/Institute: European Synchrotron Radiation Facility
Country: France
State/Province: Rhône-Alpes
City: Grenoble
Postal Code: 38000
Street: 38
Geofield
Contact
State/Province: Rhône-Alpes
City: Grenoble
Website: http://www.esrf.eu/
Street: 71, avenue des Martyrs
Postal Code: 38000
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