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Søren Vrønning Hoffmann

Electron impact dissociation and VUV photoabsorption of frozen formamide

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avisTidsskriftartikelForskningpeer review

  • Bhala Sivaraman, Indien
  • B. N. Raja Sekhar, Indien
  • B. G. Nair, The Open University, Milton Keynes, Storbritannien
  • Nykola C. Jones
  • Søren Vrønning Hoffmann
  • Nigel J. Mason, The Open University, Milton Keynes, Storbritannien

We report the results of an extensive study of formamide (HCONH2) ices carried out under experimental conditions that simulate those found in the interstellar medium (ISM). Vacuum Ultraviolet (VUV) and Infrared (IR) spectroscopic techniques were used to measure photoabsorption cross sections of these ices and to detect the chemical/physical changes induced by electron irradiation. HCONH2 dissociation induced by 1 keV electron irradiation was monitored in the solid phase at 30 K using IR spectroscopy and products of electron irradiation identified to be OCN, CO and CO2, where OCN was found to be stable even in the crystalline phase.

OriginalsprogEngelsk
TidsskriftChemical Physics Letters
Vol/bind608
Sider (fra-til)404-407
Antal sider4
ISSN0009-2614
DOI
StatusUdgivet - 2014

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