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Croissance moléculaire induite dans les agrégats d'hydrocarbures linéaires par la collision avec des ions et des électrons

Abstract : The work presented in this thesis concerns the experimental study in gas phase of the collisions between low energy ionizing particles and weakly bonded, neutral clusters of linear hydrocarbons. The purpose of these experiments was to analyze the processes subsequent to the energy and charge transfers during the collision, which are the fragmentation and molecular growth via the formation of covalently bonded molecules forming these clusters. The experimental work in this manuscript has shed light on the respective roles of electronic ionization and the nuclear and electronic stopping powers of projectiles on growth mecanisms within the clusters. To this end, the studies were carried out with low energy ion beams (keV) supplied by GANIL (Caen), which represents the majority of the results presented here, and experiments using electrons were also carried out at the J. Heyrovsky Institute of Chemistry - Physics (Prague, Czech Republic).
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Submitted on : Monday, February 15, 2021 - 4:12:23 PM
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Suvasthika Indrajith. Croissance moléculaire induite dans les agrégats d'hydrocarbures linéaires par la collision avec des ions et des électrons. Chimie théorique et/ou physique. Normandie Université, 2021. Français. ⟨NNT : 2021NORMC201⟩. ⟨tel-03141949⟩

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