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-DRT-25-0730
Direction
DRT
Thesis topic details
Category
Technological challenges
Thesis topics
Vertical GaN power devices development using localized epitaxy
Contract
Thèse
Job description
This PhD offers a unique opportunity to enhance your skills in GaN power devices and develop cutting-edge architectures. You’ll work alongside a multidisciplinary team specializing in materials engineering, characterization, device simulation, and electrical measurements. If you’re eager to innovate, expand your knowledge, and tackle state-of-the-art challenges, this position is a valuable asset to your career!
Vertical GaN power components hold great promise for power applications beyond the kV range. Localized epitaxy of GaN enables the creation of thick structures on Si substrates at a competitive cost, with demonstrated success for diodes and pseudo-vertical transistors. However, this approach’s significant surface area limits the energy density of the devices. This PhD aims to develop denser, fully vertical components using layer transfer methods. You’ll study their electrical characteristics to monitor the impact of technological variations on their performance.
Throughout this PhD, you’ll gain comprehensive knowledge in microelectronics processes, electrical characterization, and TCAD (Technology Computer-Aided Design) simulation. You’ll collaborate with a multidisciplinary team including our partner CNRS-LTM and deepen your understanding of GaN power devices, all while being part of a lab dedicated to the development of wide-bandgap power devices. You will have the opportunity to write publications and patents.
University / doctoral school
Electronique, Electrotechnique, Automatique, Traitement du Signal (EEATS)
Université Grenoble Alpes
Thesis topic location
Site
Grenoble
Requester
Position start date
01/09/2025
Person to be contacted by the applicant
BUCKLEY Julien
julien.buckley@cea.fr
CEA
DRT/DCOS//LAPS
Commissariat à l’énergie atomique et aux énergies alternatives
MINATEC Campus
17 rue des martyrs
F-38054 Grenoble Cedex
FRANCE
(+33) 04 38 78 42 81
Tutor / Responsible thesis director
SALEM Bassem
bassem.salem@cea.fr
CNRS
LTM Laboratoire des Technologies de la Microélectronique (LTM) – UMR 5129 CNRS / CEA / UGA
17 Av. des Martyrs, 38054 Grenoble
04.38.78.24.55
En savoir plus
https://fr.linkedin.com/in/julien-buckley-6a15784