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Univ. Paris-Saclay
IRAMIS: Saclay Institute of Matter and Radiation
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IRAMIS "Saclay Institute of Matter and Radiation" is the 2nd Institute in size of the CEA Fundamental research Division (DRF).  IRAMIS gathers 6 joint Research Units in association with CNRS, Ecole Polytechnique or ENSICAEN. Four are located on the CEA Research Centre of Saclay (LIDyL, LLB, NIMBE and SPEC), one on the site of the Ecole Polytechnique (LSI) and one in Caen (CIMAP), close to GANIL.

Discover the IRAMIS:                 - by Research Programs         - by Units         - by Techniques

Mostly fundamental, the research in physics and chemistry carried out at the Institute are in close connection with societal issues and CEA programs :

To carry out this research program, the teams of IRAMIS implements leading foreground facilities and scientific equipments, and are also very active around the Great Europeans Instruments.

Mostly fundamental , research carried out at the Institute are open to the creation of economic value and technology transfer.  IRAMIS also  contributes to 4  EQUIPEX and 4 LABEX of the "Investments for the Future"  programmes of the French government.

 
#444 - Màj : 21/04/2016
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Anatomic scale : In collaboration with chemists from ENS Lyon and from CEA/iBiTeC-S and CBM Orléans, MRI experiments on living rodents are undertaken. 129Xe NMR-based biosensors designed to target a pulmonary disease are instilled in the lungs of the anesthetized animal. The acquisition is then performed just after the introduction of hyperpolarized xenon, which can occur many times and several tens of minutes after the biosensor instillation.
Modeling DNA excitons : Modeling DNA excitons We have modeled the Franck-Condon excited states of DNA duplexes and G-quadruplexes. Our calculations were performed in the frame of the exciton theory combining molecular dynamics simulations (collaboration with Richard Lavery and Krystyna Zakrzewska) and data from quantum chemistry (atomic transition charges for the calculation of dipolar coupling).
Screening : « Back to the Group page « Back to the Oxides page   Surface polarization charge in ferroelectric (FE) materials can be screened by a variety of mechanisms: intrinsic (charge carriers or defects in the bulk), extrinsic (chemical environment or adsorbates), domain ordering, or even a combination of the above. Chemisorption of OH- and protons can lead to important changes in the electrical boundary conditions and water film can play an active role in domain switching.

 

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