Directory

University Professor

Function:

University Professor 1st class, 63rd CNU section

Expertises :

• Expert in the modeling of cold plasma processes for the deposition and etching of thin films.
• Expert in semiconductor physics and microelectronics.
• Expert in numerical methods for physics.

Main research theme :

Modeling plasma-surface interaction phenomena for thin-film etching and deposition: development of multi-scale approaches

Current research projects :

• Multi-scale approach to modeling GaN etching using the Atomic Layer Etching (ALE) process, in collaboration with ST Microelectronics.
• Multi-scale plasma modeling in high-power pulse magnetron sputtering (HiPIMS)
• Modeling and design of an intelligent gas sensor based on PVD metal oxides

Activities in the research community :

• Deputy manager of the Plasmas and Thin Films team.
• Elected member of the IMN Scientific Advisory Board
• Elected member of the UFR Sciences scientific council
• Member of the Physics Department Council

Biography:

I graduated from the Université Joseph Fourier in Grenoble with a DEA in Instrumentation and Measurement in 1988. In 1992, I defended a doctoral thesis in Materials Science, specializing in microelectronics, at the University of Nantes. In 1993, I was appointed Senior Lecturer at IRESTE (now Polytech Nantes), then promoted to University Professor in 2007 in the Physics Department of the Faculty of Science and Technology at Nantes University. I am currently in charge of the Electronics, Electrical Energy and Automation (EEA) Master’s program. My teaching covers several key areas: analog electronics, semiconductors, microelectronics, nanoelectronics, digital modeling and integrated circuit manufacturing processes.

On the research front, I have been attached to the Nantes Jean Rouxel Materials Institute (IMN) since 1989. I am deputy head of the Plasmas and Thin Films (PCM) team. With my PhD students, we have developed innovative models and algorithms for modeling plasma discharges and their interactions with etched surfaces. These include the global method for describing plasma kinetics, and the Monte-Carlo cell method for simulating plasma-surface interactions in micro- and nanoscale etching processes. This set of codes has enabled us to structure an innovative multiscale approach to etching materials at micron, nanometer and atomic scales.

Teaching :

• Teaching in the form of lectures, tutorials and practical work on semiconductor physics, analog electronics, microelectronics, integrated circuit manufacturing technologies, electronic CAD and CAD/CAM, and physical modeling.
• Head of the Master’s degree in EEA (1 joint Master1 course and 3 Master2 specialties)
• Head of the M2 Intelligent Sensors and Quality of Electronic Systems course
• Courses abroad
• Video recordings of courses available to students
• Supervision of 18 TER M1 Electronics (2 months per TER) (2007-2016)
• Supervision of 21 teaching projects in M2 CEO and M2 CISE (3 months per project) (10 since 2017)
• Implementation of several educational projects (e.g.: autonomous weather station installed on the UFR Sciences campus and development of an electric carriage using two recycled bicycles as part of an eco-design approach (ongoing).

Publications :

• 61 international peer-reviewed journals
• 103 international conferences
• 42 national conferences
• 16 guest lectures
• 12 seminars in France and abroad
• 20 contract reports
• 1 book chapter

Major illustrative publications:

• T.Rasoanarivo, C.Mannequin, F.Roqueta, M.Boufnichel, and A. Rhallabi,Dynamic global model of Cl2/Ar plasmas: applicability to Atomic Layer Etching processes, J. Vac. Sci. Technol. A 42, 063003 (2024).
• G. Le Dain, A. Rhallabi, C. Cardinaud, A. Girard, M.C. Fernandez, M. Boufnichel, F. Roqueta, Modeling of silicon etching using Bosch process: Effects of oxygen addition on the plasma and surface properties, J. Vac. Sci. Technol. A36, 03E109 1-11 (2018).
• J. Zgheib, P-Y. Jouan, A. Rhallabi, High Power Impulse Magnetron Sputtering global model for argon plasma chromium target interactions, J. Vac. Sci. Technol. A 39, 043004 (2021).
• M. Cosson, B. David, L. Arzel, P. Poizot, A. Rhallabi, Modelling of electrochemical storage and photovoltaic production in an autonomous solar drone, eScience, 2, 235-241 (2022).
• Bosch deep silicon etching simulator with user-friendly interface

Link to orcid: https://orcid.org/0000-0003-0855-9995

LinkedIn link: https://www.linkedin.com/in/ahmed-rhallabi-8562992a/

CNRS Research Director

Functions :

• Since 2019: Head of PCM group
• Since 2018: CNRS Research Director at the Institut des Matériaux de Nantes Jean Rouxel, in the Plasma and Thin films group, PCM
• 2017-2018: CNRS Research Fellow at the Institut des Matériaux Jean Rouxel, in Nantes in the Plasma and Thin films group, PCM
• 2003-2017: CNRS Research Fellow at the Institut des Matériaux Jean Rouxel, in Nantes in the CESES group
• 1995-2002: Chargé de recherché CNRS at the Institut de Physique et Chimie des Matériaux de Strasbourg, in the Groupe des Matériaux Inorganiques
• 1994-1995: Post-doctoral researcher at the Laboratoire de Recherche sur les tissus calcifiés. “Characterization of bone substitute materials, before and after implantation in animals, by electron diffraction and transmission electron microscopy”.

Qualifications :

• 2011: Habilitation to direct research
• 1994: PhD university of Nantes, “Synthesis, characterization and acid-base exchange of layered perovskites: A2Ln2Ti3O10 (A=Na, K, Ln=Y, La, Nd).” Supervised by Dr Luc Brohan at the Institut des Matériaux de Nantes.

Expertises :

• Synthesis of thin films coupling chemistry in solution and Plasma Enhanced Chemical Vapour Deposition
• Characterisations of nanostructured solids and thin films by XPS, vibrational spectroscopies, X-Rays diffraction, Transmission Electron Microscopy

Main research themes:

• Nanocomposite thin films by coupling chemistry in solution and Plasma Enhanced Chemical Vapour Deposition
• Transition metal oxides by soft chemistry and plasma for photo-induced applications, opto-electronic applications

Current research projects :

Involved in 2 to 3 projects per year as partner or responsible

Activities in the research community :

• Co- and supervision of 25 doctors since 1998
• Involvement in ANR (National Agency of Research) projects with industrial partnership
• Since 2020: Member of the scientific committee of the Research Federation FR 2050 Photoelectron spectroscopy
• Member of the scientific committee of the Group of Research, GDR HPero (2017-2022)
• Member of the Committee for Electron Spectroscopies representing the Nord-West part of France since 2016
• Since 2022, member of the steering committee of the French-Canadian International Research Network dedicated to Controlled Multifunctional Nanomaterials
• Member of the local committee in Nantes, at the Ecole Doctorale ED3PML, the ED3M and finally ED 3 MG, including pre-examination for the Habilitation à Diriger des Recherches since 2015

Biography:

Mireille Richard-Plouet is a French researcher in the field of inorganic materials and nanomaterials. She obtained her PhD from the University of Nantes in 1994, with a thesis on the synthesis and characterization of layered perovskites, under the supervision of Dr Luc Brohan. After a post-doctoral position, at the Laboratoire de Recherche sur les Tissus Calcifiés (1994-1995), she joined the CNRS as a full-time researcher at the Institut de Physique et Chimie des Matériaux de Strasbourg (1995-2002), where she studied low-dimensional magnetic materials and developed sol-gel and hydrothermal syntheses. In 2003, she joined the Institut des Matériaux Jean Rouxel (IMN) in Nantes, where she was promoted to research director in 2018 and took over as head of the “Plasma and Thin Films” group in 2019. Her work focuses on nanocomposite thin films, transition metal oxides for optoelectronic applications, and advanced characterization of nanostructured solids using techniques such as XPS spectroscopy, X-ray diffraction and transmission electron microscopy.

Winner of the CNRS Bronze Medal in 2000, she has supervised over 20 PhD students since 1998 and published 113 scientific papers.

Involved in the scientific community, she plays an active part in national and industrial research projects, and sits on several scientific committees, including that of the FR 2050 research federation on photoemission spectroscopy, and the steering committee of the Franco-Canadian research network dedicated to Controlled Multifunctional Nanomaterials.

CNRS Research Fellow

Position:

CNRS researcher

Qualifications:

• March 2017 Doctor of Engineering – Tokyo Institute of Technology
• Department of Chemical Science and Engineering, Tokyo, Japan
• “Molecular-Geometry Approaches to Develop Functional Fluorophores Based on Classic Aromatic Hydrocarbons” Supervisor: Gen-ichi Konishi

Previous positions:

• Apr. 2020 – Dec. 2021 Postdoctoral Research Associate, University of Oxford

Inorganic Chemistry laboratory, Oxford, United Kingdom
The project funded by EPSRC (UK) on “Soft chemical control to achieve new layered architectures and strongly correlated states”
Supervisor: Simon J. Clarke

• May 2017 – Mar. 2020 JSPS Postdoctoral Fellow, Nantes Université

Institut des Matériaux Jean Rouxel (IMN), Nantes, France
The project funded by JSPS (Japan) on “Rational design and study of layered transition metal chalcogenides with various local geometry obtained by a novel topotactic intercalation concept”
Supervisor: Laurent Cario

Main research topics:

Design & synthesis of chalcogenides, mixed-anion compounds, low-dimensional materials, quantum materials, π-conjugated systems, fluorescent dyes

Biography

Shunsuke Sasaki currently works at the Jean Rouxel Materials Institute in Nantes (IMN) as a permanent researcher affiliated to the French National Centre for Scientific Research (CNRS). He earned his bachelor’s degree in polymer chemistry from the Tokyo Institute of Technology in 2014. He continued his studies in organic and polymeric materials at the same institute and completed his Ph.D. research on the design of fluorescent molecules in 2017, under the supervision of Dr. Gen-ichi Konishi. Afterward, he decided to shift his focus to inorganic solid-state chemistry and worked as a JSPS postdoctoral fellow at Nantes University under the guidance of Dr. Laurent Cario and his co-workers at IMN until 2020. He conducted another postdoctoral research at the University of Oxford with Dr. Simon J. Clarke before being recruited by CNRS in 2022. His current research focuses on developing novel low-temperature reactions that enable the tailored design of inorganic solid-state materials with exotic 2D structures.

Ongoing research projects:

French National Research Agency (ANR) project – COBEDIT
“Covalent-bond editing by topochemistry of chalcogenide materials” Role: Coordinator

Activities in the research community

International Core-to-core/ASPIRE network on mixed-anion compounds involving France (IMN, ICMCB, UCCS, ISCR), Japan (Kyoto University), UK (University of Oxford), Belgium (University of Antwerp) and Germany (RWTH Aachen).

Prizes:

2024 J. Mater Chem B Outstanding peer reviewers, Royal society of chemistry.
2023 Rising Stars in Organic and Inorganic Chemistry 2023, American Chemical Society

Main publications:

• Anionic Redox Topochemistry for Materials Design: Chalcogenides and Beyond.
  ACS Org. Inorg. Au 4, 26-40 (2024).
• Anion Redox as a Means to Derive Layered Manganese Oxychalcogenides with Exotic Intergrowth Structures.
  Nat. Commun. 14, 2917 (2023).
• Design of Metastable Oxychalcogenide Phases by Topochemical (de)intercalation of Sulfur in La2O2S2.
  Nat. Commun. 12, 3605 (2021).
• Principles of Aggregation-Induced Emission: Design of Deactivation Pathways for Advanced AIEgens and Applications.
  Angew. Chem. Int. Ed. 59, 9856-9867 (2020).

Orcid link: https://orcid.org/0000-0001-8358-1629

Scholar.google.com link: https://scholar.google.fr/citations?user=gPGubGsAAAAJ&hl=en

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/

University Professor

Current functions / Current

• University Professor
• Director of the Materials Department at Polytech Nantes

Qualifications

• ENSICAEN Materials Engineer (1993)
• DEA (Master) in Materials, University of Caen (1993)
• PhD, University of Caen (1997)
• HDR, University of Nantes (2006)

Research topics (Research Themes)

• Combinatorial metallurgy, microstructure engineering, multi-objective alloy design and optimization (genetic algorithms), modeling and prediction of alloy properties (physical metallurgy, data mining using neural networks and Gaussian processes, predictive thermodynamics of phase diagrams, CALPHAD / Thermo-Calc, diffusion, Dictra).
• Thermomechanical behavior (resistance to heat and creep), oxidation, corrosion, hydrogen embrittlement.
• Hot forming metallurgy, welding and additive manufacturing metallurgy, weldability.
• Nickel alloys (superalloys), titanium alloys, high-entropy alloys (HEA) and complex concentrate alloys (CCA).
• Metallic alloys and coatings for nuclear, aeronautical and automotive applications…
• Relationships between manufacturing, microstructure and mechanical properties.

Animation de la recherche (Research Community Activities / Teaching Responsibilities)

• Board member, Réseau National de la Métallurgie (RNM)
• Board member of GDR IAMAT (Artificial Intelligence in Materials Science)
• Member of the Board of the FAISTOS Cluster (Fostering Artificial Intelligence in industrial Systems and TechnOlogieS) of Nantes Université / Next

Senior Lecturer

Current / Functions Currently

• University Lecturer in Nantes University
• Researcher at IMN Institute

Qualifications

• PhD in Physical Chemistry (2000)
• Engineer in Chemistry from Rennes School (1996)

Themes de recherche / Research Themes

• Physico-chemical characterization of inorganic food additives (TiO2, silver, calcium phosphates…) and determination of their fate in the gastro-intestinal tract
• Comprehensive study of the interactions between TiO2 and biomolecules / phosphated molecules
• Synthesis and characterization of photosensitive sols and gels based on titanium oxides for the conception of solar cells and photobatteries
• Characterization of colloidal suspensions through size and zeta potential measurements

Animation de la recherche / Research Community Activities – Teaching Responsibilities

• Head of the first year of Master A3M (Analysis, Molecules, Materials, Medicines)

Publications

• 25 publications in international peer reviewed journals, 1 patent
• Since 2006, 34 oral conference presentations

Ressources en ligne / Online Resources

Researchgate : https://www.researchgate.net/profile/Helene-Terrisse

ORCID: 0000-0002-9338-6939

Emeritus University Professor