Phd Thesis In Surface Physics And Advanced Microscopy (M/F)

Universities and Institutes of France


May 23, 2022


  • Organisation/Company: CNRS
  • Research Field: Physics
  • Researcher Profile: First Stage Researcher (R1)
  • Application Deadline: 23/05/2022 23:59 - Europe/Brussels
  • Location: France › ST ETIENNE DU ROUVRAY CEDE
  • Type Of Contract: Temporary
  • Job Status: Full-time
  • Hours Per Week: 35
  • Offer Starting Date: 01/10/2022
  • The GPM (Materials Physics Group, UMR CNRS 6634) is structured into 5 departments: Materials-Aging-Mechanics, Scientific Instrumentation, Nanosciences, Disordered Systems-Polymers and Nano-Health-Physics. It brings together 160 staff, including 60 Teachers-Researchers/Researchers, 30 ITAs and 70 PhD students/Postdocs/Trainees. The laboratory is located on the Campus Sciences et Ingénierie Rouen Normandie (in Saint Etienne du Rouvray), within the University of Rouen Normandie and INSA Rouen Normandie (7000m2). The recruited doctoral student will be attached to the scientific instrumentation department, which includes 5 teacher-researchers, 5 engineers,, 3 post-doctoral students and 5 doctoral students.

    Exploration of experimental methods for quantification and imaging of hydrogen reactions by atom probe tomography

    Hydrogen is gathering increasing attention due to its importance as an energy vector. Beyond this aspect, it plays an important role in determining the structural properties of metals, and interacts with functional defects in semiconductors. The potential of advanced analysis and imaging techniques for an in-depth study of hydrogen - an often elusive element for many microanalysis techniques - is linked to their ability to analyze chemical species present on the surface or in the volume of a sample, allowing their localization and chemical identification. The Tomographic Atom Probe allows the detection of single atoms and their localization in 3D within a nanometric volume. However, many problems exist concerning hydrogen because it is generally found in its gaseous form H2 within the analysis chambers and represents a spurious signal that degrades the chemical sensitivity of the analysis 2,3. Moreover, hydrogen also participates in surface chemical reactions. This PhD topic proposes to develop methodological approaches that can target the quantification of hydrogen, its localization, but also the temporal spatial imaging of phenomena involving chemical reactions that would take place at the surface of the analyzed samples. The candidate will develop techniques for sample preparation and analysis by Atom Probe Tomography, as well as methods for the exploitation of data from these experiments, while studying the theory behind field evaporation and the basics of high field chemistry. He/she should have a good knowledge of solid state physics and/or surface chemistry. This thesis is financed within the framework of a Labex EMC3 project ("Quantification and advanced physico-chemical imaging: application to hydrogen in materials") - (QuantyPhy)

    1 Seidman, D., & Stiller, K. (2009). An Atom-Probe Tomography Primer. MRS Bulletin, 34(10), 717-724. doi:10.1557/mrs2009.194 https: // // www. 2 Sundell, G., Thuvander, M., & Andrén, H. O. (2013). Hydrogen analysis in APT: methods to control adsorption and dissociation of H2. Ultramicroscopy, 132, 285-289. 3 L. Rigutti et al., “Surface Microscopy of Atomic and Molecular Hydrogen from Field-Evaporating Semiconductors,” J. Phys. Chem. C, vol. 125, no. 31, pp. 17078–17087, Aug. 2021, doi: 10.1021/acs.jpcc.1c04778

    Additional comments

    subject to confirmation of funding by the Labex EMC3 within the framework of the QuantiPHy project.

    Web site for additional job details

    https: //

    Required Research Experiences
  • Physics

  • None

    Offer Requirements
  • Physics: Master Degree or equivalent

  • FRENCH: Basic

    Contact Information
  • Organisation/Company: CNRS
  • Department: Groupe de physique des matériaux
  • Organisation Type: Public Research Institution
  • Website: https://
  • Country: France
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