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PhD thesis (H/F) in the field of Scintillating porous architectures for Radioactive gas detection

This offer is available in the following languages:
Français - Anglais

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General information

Reference : UMR5182-FRECHA0-003
Workplace : LYON 07
Date of publication : Friday, June 05, 2020
Scientific Responsible name : Chaput Frédéric
Type of Contract : PhD Student contract / Thesis offer
Contract Period : 36 months
Start date of the thesis : 1 October 2020
Proportion of work : Full time
Remuneration : 2 135,00 € gross monthly

Description of the thesis topic

Radioactive gases are key targets for the environment, making gas monitoring an important issue. The European project concerned will focus on the detection and activity measurement metrology of tracers related to nuclear activities. In this respect, the detection of 85Kr, 133Xe, 3H, 37Ar, being all emitter or electron capture radionuclides, is targeted. The European project will implement and achieve a radically novel radioactive gas detection and radioactivity metrology, by introducing highly porous scintillating aerogels designed to dramatically extend gas-matter interaction for effective detection through scintillation. These materials after development and optimization will combine an efficient, fast and isotropic scintillation ensuring homogeneous 3D response and high sensitivity for metrology.
The goal of the doctoral thesis will be to produce and study functional solid sensors prepared from nanoparticles of scintillating materials assembled in the form of aerogels.

Work Context

The Chemistry Laboratory spans a range of specialities in chemistry and physical chemistry. It develops interdisciplinary research projects at the frontiers with biology, material sciences and physics. The research themes cover a wide spectrum of expertises in experimental chemistry (organic, inorganic and materials synthesis) together with characterization and modeling. The scientific interdisciplinary projects of the laboratory, which are partly related to societal issues (environment, health, defence, information and communication technologies, textiles) are centered on three themes:
systems for biology: imaging, diagnosis and therapy;
systems with specific properties: properties for applications related to optics, magnetism, to supramolecular heterogeneous catalysis, to the detection of gaseous molecules, to chiral recognition or to the development of functional textiles;
computational modeling: reactivity (exploration of reaction pathways in heterogeneous catalysis), spectroscopy (modeling of excited states for magnetic or optical systems), and developement of models for enzymatic and biomolecular systems.

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