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JANNuS - Joint Accelerators for Nano-science and Nuclear Simulation

17 July

The JANNuS multi-ion beam irradiation platform was established in 2005 around two facilities:

  • JANNuS-Orsay, located in Orsay at the Centre for Nuclear Sciences and Material Sciences (CSNSM), a joint research unit of Centre National de la Recherche Scientifique (CNRS) and Université Paris-Sud. CNRS is acting through one of his instituts called Institut National de Physique Nucléaire et de Physique des Particules (IN2P3).
  • JANNuS-Saclay, located on the CEA Paris-Saclay is part of the Nuclear Materials Department in the Nuclear Energy Division of the Commissariat à l’énergie atomique et aux énergies alternatives (CEA).

Served by a knowledgeable scientific staff, the capabilities combine a total of five electrostatic accelerators for single beam, dual beam and triple beam ion experiments and a transmission electron microscope for in situ studies.

JANNuS is dedicated to researches in the effects of ions in materials. Its particle beams make it possible to irradiate small samples in a perfectly controlled manner, and thus to observe and quantify the evolution of their microstructure (segregation, precipitation, formation of dislocation loops, cavities, bubbles, etc) and service properties. Such a scientific platform has no equivalent in Europe and plays an essential role for multi-scale modelling of radiation effects in materials.


» JANNuS-Orsay in situ dual ion beam TEM
» JANNuS-Saclay triple ion beam