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-24-0568
Direction
DRT
Thesis topic details
Category
Technological challenges
Thesis topics
Contribution of metal-semiconductor interfaces to the operation of the latest generation of infrared photodiodes
Contract
Thèse
Job description
This thesis concerns the field of cooled infrared detectors used for astrophysical applications. In this field, the DPFT/SMTP (Infrared Laboratory) of CEA-LETI-MINATEC works closely with Lynred, a world leader in the production of high-performance infrared focal planes. In this context, the infrared laboratory is developing new generations of infrared detectors to meet the needs of future products.
One of the current development axes concerns the quality of the p-type semiconductor metal interface. These developments are driven by the increase in the operating temperature of the detectors, as well as by the very strong performance requirements for space applications.
The challenge of this thesis is to contribute to a better understanding of the chemical species present at the interface of interest as a function of different surface treatment types and to link them to the electrical properties of the contact made.
The candidate will join the infrared laboratory, which includes the entire detector production process. He/she will produce these samples using the technological means available in the LETI clean room, in collaboration with experts in the field. He/she will also have access to the necessary characterization tools (SIMS, XPS, AFM…) available on the nano-characterization platform (PFNC) or in the CEA clean room. Finally, he/she will be involved in the electro-optical characterization of the material, in collaboration with the Cooled Infrared Imaging Laboratory (LIR), which specializes in fine material characterization.
University / doctoral school
Ecole Doctorale de Physique de Grenoble (EdPHYS)
Université Grenoble Alpes
Thesis topic location
Site
Grenoble
Requester
Position start date
01/10/2024
Person to be contacted by the applicant
LOBRE Clément clement.lobre@cea.fr
CEA
DRT/DPFT//LITP
17 rue des martyrs
38054 Grenoble Cedex
0438782939
Tutor / Responsible thesis director
BADANO Giacomo giacomo.badano@cea.fr
CEA
DRT/DOPT//LIR
CEA/Grenoble
17 rue des MARTYRS
38045 GRENOBLE CEDEX
0438786619
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