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| Naji, M. |
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Strazzulla, Giovanni
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Topics
Publications (7/7 displayed)
- 2015A laboratory study of ion-induced erosion of ice-covered carbon grainscitations
- 2015Radiation effects in astrophysical icescitations
- 2015Radiation effects in astrophysical icescitations
- 2013Crystalline and amorphous structure of astrophysical icescitations
- 2011Formation of CO_2 and OCS after cosmic ion irradiation of icy grain mantles
- 2006Vibrational Spectroscopy in Ion-Irradiated Carbon-Based Thin Filmscitations
- 2005Amorphization of diamond by ion irradiation: a Raman studycitations
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article
Radiation effects in astrophysical ices
Abstract
The interaction of heavy ions with astrophysical ices was studied at different beamlines of GANIL by infrared absorption spectroscopy. This allowed simulating in the laboratory the physico-chemical modifications induced in icy objects in space, exposed to radiation fields such as the solar wind, magnetospheric particles and interstellar cosmic rays. We briefly discuss sputtering, destruction and formation of molecules, amorphization and compaction, implantation, and finally the formation of organic molecules. This latter topic is related to the question of the initial conditions for the emergence of life.