The SIRIUS installation
The SIRIUS facility, at the Irradiated Solids Laboratory (UMR 7642 CEA-CNRS-Ecole polytechnique), is an irradiation platform with high energy electrons consisting of an electron accelerator and two irradiation stations (having the possibility of carrying out irradiations at high currents and at low temperatures). The SIRIUS facility is open to a large community of users nationally and internationally and is part of the national network of accelerators for the study of irradiated materials EMIR&A.
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Pelletron accelerator by NEC.
Electrons Enerigies: 150 keV – 2.5 MeV
Current (10 nA – 50 µA)
Different irradiation cells (see below)
Online measurement (see below)
Possibility to control the temperature (see below)
Electron beam current is measured using pico-ammeters at the output of the accelerator and along the irradiation line. The electrical charge passing through the sample section is, in turn, measured via a digital current integrator.
CIRANO
Current beam: < 40 µA
300 K < T < 600 K
Standard sample: Ø 28 mm
Atmosphere (air, hélium, argon)
Water-cooled sample holder
Optical aperture for in situ UV-VIS absorption
IRRAPLAST
Current beam : ~ few µA
T = 300 K
Atmosphere (Air, Helium, Argon)
Translation along one axis (12 cm)
Height: 2 cm
GRANDE SURFACE
Current beam : < 50 µA
100 K < T < 300 K
Sample : 180x130 mm2
AM0 solar simulator for solar cells
Electrical measurements
CRYO 1
CRYO 2
Current beam : < 5 µA
4 K < T < 300 K
Sample : Ø 5 mm
In situ resistivity and Hall effect measuraments
On-line EPR under development
IN SITU SPECTROSCOPY
T = 300 K
Water-cooled sample holder
Photoluminescence
Time-resolved photoluminecence
Cathodoluminescence
Raman spectroscopy post-irradiation
CW X band EPR post-irradiation
Publications récentes
C. Weiss et al. Electron and proton irradiation effect on the minority carrier lifetime in SiC passivated p-doped Ge wafers for space photovoltaics, Solar Energy Materials and Solar Cells, 209, 110430, 2020.
N. Ollier et al. Relaxation study of pre-densified silica glasses under 2.5MeV electron irradiation. Scientific Reports 9, 1227, 2019.
M.-N. de Noirfontaine et al. An X-ray powder diffraction study of damage produced in Ca(OH)2 and Mg(OH)2 by electron irradiation using the 2.5 MeV SIRIUS accelerator, Journal of Nuclear Materials, 509 78-93, 2018.
K. Cho et. Using controlled disorder to probe the interplay between charge order and superconductivity in NbSe2
Nature Communications 9, 2796, 2018.
H. Deng et al. High-temperature quantum anomalous Hall regime in a MnBi2Te4/Bi2Te3 superlattice, Nature Physics (2020). https://doi.org/10.1038/s41567-020-0998-2.
Beamline Manager: Antonino Alessi
Technical Manager: Olivier Cavani
Beamline Scientist : Romain Grasset
Support Developments: Audrey Courpron
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