Abstract
SynopsisA joint theoretical study of electron-impact dissociative ionization (DI) processes of small polyatomic molecules is presented. Different organic (CH4 and C2H6) and inorganic (SF6 and Sn, n = 2-8) target molecules were examined. The investigated dissociative ionization processes take place at threshold energies, so our main focus is to study the appearance energies (E ap) of different ion fragments as well as to analyse the corresponding DI reaction pathways.
Highlights
HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not
The appearance energy characterizes that minimal collision energy in a dissociative ionization (DI) process, which is necessary in order to observe the appearance of a concrete ion fragment
While the main ion products in electron impact measurements are usually well-known, it is challenging to measure by spectroscopy the different secondary products, which are mainly consists of neutral fragments
Summary
HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers. L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignement et de recherche français ou étrangers, des laboratoires publics ou privés.
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