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Lookup NU author(s): Professor Lidija Siller
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The (C+, O+, CO+, O2+, D+, D3+) desorption yields during the (10-100 eV) electron beam irradiation of CO2 ice and of D2O adsorbed on CO2 ice were measured. Measurements of pure CO2 ice irradiated with 40-eV electrons suggest that pores in the CO2 are responsible for trapping molecular precursors for bimolecular reactions that are responsible for O2+ production. Investigations of pure CO2 ice irradiated with a 100-eV electron reveals production of O2+ by a second channel. It was found that D2O adsorbed on solid carbon dioxide at 30 K diffuses into solid CO2 due to exposure to the electron beam irradiation. Without radiation, D2O stays on the top of the CO2 ice.
Author(s): Siller L, Sieger MT, Orlando TM
Publication type: Article
Publication status: Published
Journal: Journal of Chemical Physics
Year: 2003
Volume: 118
Issue: 19
Pages: 8898-8904
ISSN (print): 0021-9606
ISSN (electronic): 1520-9032
Publisher: American Institute of Physics
URL: http://dx.doi.org/10.1063/1.1566931
DOI: 10.1063/1.1566931
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