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Fraser, Helen J.; Collings, Mark P.; Dever, John W. and McCoustra, Martin R. S.
(2004).
DOI: https://doi.org/10.1111/j.1365-2966.2004.08038.x
URL: http://mnras.oxfordjournals.org/content/353/1/59.f...
Abstract
We present results from laboratory experiments on layered CO–H2O-ice systems, carried out from sub-monolayer to multilayer CO coverages, and review recent experimental data, as published by the authors. Under certain specific laboratory conditions the 2152 cm−1 feature, associated with CO molecules adsorbed at dangling-OH bonds at the ice surface, is ‘missing’. A detailed analysis is used to understand why the same feature is not detected in spectra of interstellar ices. We conclude that the dangling-OH sites do exist in interstellar ices but that the sites are blocked by another species. The astronomical implications of this deduction are discussed.
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About
- Item ORO ID
- 37304
- Item Type
- Journal Item
- ISSN
- 1365-2966
- Keywords
- astrochemistry; molecular data; lines and bands – infrared
- Academic Unit or School
-
Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM) - Copyright Holders
- © 2004 RAS
- Depositing User
- Stephen Serjeant