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H2 formation on Mg-rich amorphous silicates

Date Issued
2020
Author(s)
MENNELLA, Vito
•
SUHASARIA, TUSHAR
DOI
Abstract
We present the results of an experimental study on the interaction of D atoms with Mg-rich amorphous silicates. The effects of D irradiation have been analyzed by infrared spectroscopy. The results indicate that HD forms by abstraction of hydrogen atoms chemisorbed in the hydroxyl groups of silicate grains. The formation process occurs for grain and atom temperatures relevant to photodissociation regions.
Coverage
Laboratory Astrophysics: From Observations to Interpretation
All editors
Salama, Farid; Linnartz, Harold
Series
PROCEEDINGS OF THE INTERNATIONAL ASTRONOMICAL UNION
Volume
vol.15, S350
Start page
109
Conferenece
Laboratory Astrophysics: From Observations to Interpretation
Conferenece place
Cambridge
Conferenece date
14-19 April, 2019
Uri
Url
Issn Identifier
1743-9213
Rights
open.access