• Aeronautics - Aerospace - Defence
  • Chemistry - Materials
  • Complex systems and software engineering
  • Energy, Ecology, Environment
  • Mobility and transport
  • Social - Societal - Solidarity Innovation

Centre de Sciences Nucléaires et Sciences de la Matière (CSNSM)



Innovation themes

Map and access

Bâtiments 104 et 108 - Université Paris-Sud
91405 ORSAY

Our research areas


Nuclear astrophysics:
- cosmology and nucleosynthesis
- nucleosynthesis in novae
- nuclear reactions of astrophysical interest
- cosmic rays and high energy solar particles
- spatial instrumentation for the future
- development of X-ray and Gamma detectors

Solid state astrophysics:
- chemical and isotopic analyzes of the mineral phases within micrometeorites
- conservation and analysis of the largest collection of micrometeorites harvested in Antarctica

Physical chemistry of irradiation:
- fundamental studies of the particle-matter interaction
- structural stability of uranium oxides
- irradiation effects in materials for nuclear waste management
- irradiation effects in structural materials for future nuclear reactors
- modification of the physical properties of rare earth oxides for optical applications
- synthesis of metallic nanoparticles in insulators

Solid state physics:
- design, study and simulation of detectors for astrophysics and astro-particle experiments
- study of the functionalization and crystallographic structure of metastable materials
- electronic properties and phase transitions in highly correlated low-dimensional systems and electrons
- search for dark matter via the Edelweiss experiment
- development of bolometer matrices
- microstrutural evolution under ion beams
- structural functionalization by implantation / ion irradiation
- strongly correlated systems and new electronic states of matter

Atomic nucleus structure:
- global properties of nuclei
- structure and shape of nuclei
- fission and exotic nuclei
- structure of superheavy nuclei
- alpha-core cluster states in heavy nuclei
- exotic forms and symmetries
- nuclear moments and life time
- highly deformed nuclei with high angular momentum
- isomers

Applications sectors

  • Administration / Public sector
  • Other business
  • Education / Training
  • Electronic / photonics

Total number of employees

Total number of employees : 102
Number of researchers : 40
Number of doctoral students : 22

Equipment(s) open to collaboration

Academics and industy:
- ion accelerators (400 keV to some MeV), ion implanter (some keV to 200 keV) and separator developed at CSNSM
- Transmission Electron Microscope (TEM)
- FIB (Focus Ions Beam)
- ultraviolet evaporators
- Niobium-Silicon evaporator
- Evaporator Precontact
- He3-He4 dilution cryostat
- pulsed tube cryostat (He free)
- Ge bolometer, NbSi thermometry (10 mK-4K)


Our results

Valuation offer

- production of bolometers
- very low temperature operation (10mK-4K)
- development of source electrodes and ion optics elements
- acceleration studies

Projects examples

CSNSM is involved in multiple projects including:
- the Orsay Plunger
- Edelweiss (1, 2)
- two-dimensional electron gas discovery on the surface of transition metal oxides

Industrial and scientific relations

Scientific collaborations

- France: IAS, CIMAP (Caen), CEMTHI-Orléans, CEA (Saclay et Cadarache), ICMO-Orsay, SPCTS-Limoges, Institute-Poitiers, GPM-Rouen, LSI-Palaiseau, LPS Orsay, C2N Orsay, Soleil, Laboratoire Souterrain Modane
- Europe: SINS et SINSetITME-Varsovie, GSI-Darmstadt, Oxford University, ITU-Karlsruhe, IFIN-Bucarest, PSI-Villigen, LSENES-Sofia, Institute of Physics-Helsinki, Ukraine, Russia (JINR Dubna), Italy (Gran Sasso, Elettra, LNL Legnaro, LNS Catagne), Jyvaskyla Finland
- International : USA (PNNL-Richland, Tennessee University-Knoxville, Argonne, Berkeley, UCLA), India (NSC-New Dehli), Brazil (IF-UFRGS-Porto Alegre), China (SKLNPT-Pékin, LANZHOU), Japan (KEK, Hiroshima University, RCNP Osaka, Tokyo RIKEN), iThemba South Africa, TRIUMF Canada

Private collaborations

- collaboration with several major companies