Article Dans Une Revue Journal of Physics: Conference Series Année : 2015

Anion emission from H2O molecules colliding with positive O+ ions at keV energies: the role of dissociative excitation

Résumé

It is shown that negative ions can be ejected from gas-phase water molecules when bombarded with positive ions at keV energies. Emission of both H- and heavier (O- and OH-) anions is observed. Electronic excitation and ionization processes are shown to play a decisive role in cation-induced anion formation

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hal-02894120 , version 1 (19-05-2025)

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J-y Chesnel, Z. Juhasz, E. Lattouf, J Tanis, B. A. Huber, et al.. Anion emission from H2O molecules colliding with positive O+ ions at keV energies: the role of dissociative excitation. Journal of Physics: Conference Series, 2015, XXIX International Conference on Photonic, Electronic, and Atomic Collisions (ICPEAC2015) 22–28 July 2015, Toledo, Spain, 635 (3), pp.032108. ⟨10.1088/1742-6596/635/3/032108⟩. ⟨hal-02894120⟩
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