Surface Science Investigations of Icy Mantle Growth on Interstellar Dust Grains in Cooling Environments

Demian Marchione, Alexander Rosu-Finsen, Skandar Taj, Jerome Lasne, Ali Ghith Moussa Abdulgalil, John Thrower, Victoria Frankland, Mark P. Collings, Martin R. S. McCoustra

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Abstract

Experimental measurements on the thermal and nonthermal behavior of water and other simple molecules, including organic compounds such as methanol and benzene, on model interstellar dust grain and solid water ice surfaces using science techniques and methodologies are reviewed. A simple qualitative model of the early stages of mantle growth arising from a synthesis of the results of such investigations from our own laboratory and others is presented.

Original languageEnglish
Pages (from-to)1915-1931
Number of pages17
JournalACS Earth and Space Chemistry
Volume3
Issue number9
Early online date17 Jul 2019
DOIs
Publication statusPublished - 19 Sep 2019

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Keywords

  • diffusion
  • electron-induced chemistry
  • icy grains
  • molecular clouds
  • nonthermal desorption
  • thermal desorption
  • water ice

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Atmospheric Science
  • Space and Planetary Science

Cite this

Marchione, D., Rosu-Finsen, A., Taj, S., Lasne, J., Abdulgalil, A. G. M., Thrower, J., Frankland, V., Collings, M. P., & McCoustra, M. R. S. (2019). Surface Science Investigations of Icy Mantle Growth on Interstellar Dust Grains in Cooling Environments. ACS Earth and Space Chemistry, 3(9), 1915-1931. https://doi.org/10.1021/acsearthspacechem.9b00052