General information
Organisation
The French Alternative Energies and Atomic Energy Commission (CEA) is a key player in research, development and innovation in four main areas :
• defence and security,
• nuclear energy (fission and fusion),
• technological research for industry,
• fundamental research in the physical sciences and life sciences.
Drawing on its widely acknowledged expertise, and thanks to its 16000 technicians, engineers, researchers and staff, the CEA actively participates in collaborative projects with a large number of academic and industrial partners.
The CEA is established in ten centers spread throughout France
Reference
SL-DRF-24-0639
Direction
DRF
Thesis topic details
Category
Condensed Matter Physics, chemistry, nanosciences
Thesis topics
Multi-level functionality in ferroelectric, hafnia-based thin films for edge logic and memory
Contract
Thèse
Job description
The numerical transition to a more attractive, agile and sustainable economy relies on research on future digital technologies.
Thanks to its non-volatility, CMOS compatibility, scaling and 3D integration potential, emerging memory and logic technology based on ferroelectric hafnia represents a revolution in terms of possible applications. For example, with respect to Flash, resistive or phase change memories, ferroelectric memories are intrinsically low power by several orders of magnitude.
The device at the heart of the project is the FeFET-2. It consists of a ferroelectric capacitor (FeCAP) wired to the gate of a standard CMOS transistor. These devices have excellent endurance, retention and power rating together with the plasticity required for neuromorphic applications in artificial intelligence.
The thesis will use advanced characterization techniques, in particular photoemission spectroscopy and microscopy to establish the links between material properties and the electrical performance of the FeCAPs.
Operando experiments as a function of number of cycles, pulse amplitude and duration will allow exploring correlations between the kinetics of the material properties and the electrical response of the devices.
The thesis work will be carried out in close collaboration with NaMLab (Dresden) and the CEA LETI (Grenoble).
University / doctoral school
Physique en Île-de-France (EDPIF)
Paris-Saclay
Thesis topic location
Site
Saclay
Requester
Position start date
01/10/2024
Person to be contacted by the applicant
BARRETT NiCK nick.barrett@cea.fr
CEA
DRF/IRAMIS/SPEC/LENSIS
Batiment 462
CEA Saclay
91191 Gif sur Yvette
0169083272
Tutor / Responsible thesis director
BARRETT NiCK nick.barrett@cea.fr
CEA
DRF/IRAMIS/SPEC/LENSIS
Batiment 462
CEA Saclay
91191 Gif sur Yvette
0169083272
En savoir plus
https://iramis.cea.fr/Pisp/87/nick.barrett.html
https://www.lensislab.com/
https://www.lensislab.com/projects