Directory

Function:

Doctoral student

Main research themes:

PVD deposition, HiPIMS and e-HIPIMS processes, thin films, micro-supercapacitors

Current research project:

Doctoral thesis on the deposition of thin-film electrodes by high-power pulse magnetron sputtering (HiPIMS) for the production of 3D micro-supercapacitors.

Activities in the research community :

Secretary of IMN’s SYRA doctoral students’ association

Biography:

With a Master’s degree in Innovative Materials and Energy Systems, I did my end-of-studies internship at STMicroelectronics in Tours, where I worked on optimizing an etching process for TaN/SiN/TaN capacitors. Currently a PhD student at the Institut des Matériaux Jean Rouxel in the PCM team, my work focuses on the development of electrodes for 3D micro-supercapacitors, using high-power pulse sputter deposition techniques (HiPIMS) and its enhanced variant e-HiPIMS. The aim of this thesis is to optimize the structuring, compliance and electrochemical performance of electrodes (TiN, VN/VOxNy) on 3D substrates to meet high-density energy storage needs in miniaturized systems.

Link to orcid : https://orcid.org/0009-0004-5564-3959

LinkedIn link : https://www.linkedin.com/in/l%C3%A9o-seigneur-32525a223/

Function:

Doctoral student in materials science under the supervision of Marie-Paule Besland

Qualifications :

• Master of Science in Advanced Materials Engineering (2023)
• Engineering degree in Materials Engineering (2021)
• DEUG in material science and chemistry (2018)

Expertises :

• Materials characterization techniques (Scanning Electron Microscopy, X-ray Diffraction, Raman Spectroscopy, Atomic Force Microscopy, Focused Ion Beam (FIB) for sample preparation.
• Thin film deposition
• Electrochemical characterization techniques
• Micro-batteries
• Photovoltaic cells

Main research theme :

Thin-film sputter deposition for electrode applications in micropower batteries.

Current research project:

Development of perovskite structure layers by sputtering for use as electrodes in micropower batteries.

Biography:

I’m currently working on the deposition of thin films by magnetron co-sputtering as part of the development of energy storage devices, in particular micro-batteries and supercapacitors.

Teaching :

Practical work on materials characterization