SHEAR (Sheath Role in Plasmas-Surface Interactions: Applications to Unipolar Arcs, Mirrors Cleaning and Plasma Heating)

Abstract

Understanding plasma sheathing, a charged layer that settles in the vicinity of any material surface immersed in plasmas, is crucial to controlling plasma-surface interactions.
While the mechanisms of sheathing are well known in non-magnetized plasmas, including radio frequency (RF) environments, a universal model of sheathing in a tilted magnetic field and especially with an RF source does not yet exist.
The SHEAR project mainly aims at developing and validating such models, by comparing simulations and highly resolved measurements in dedicated devices.

Partners
Ecole Polytechnique Federale de Lausanne / Swiss Plasma Center
Basel University / Nanolino, Department of Physics
Institut Jean Lamour (leader)
Dates
From 03/01/2020 to 03/31/2024
Funding
243.499 € from the ANR
Contact
frederic.brochard@univ-loraine.fr