Laboratory studies of radiation effects in water ice in the outer solar system

Raúl A. Baragiola; Mark J. Loeffler; Ujjwal Raut; Ricardo A. Vidal; Christian D. Wilson

doi:10.1016/j.radphyschem.2004.09.013

Laboratory studies of radiation effects in water ice in the outer solar system

Raúl A. Baragiola, Mark J. Loeffler, Ujjwal Raut, Ricardo A. Vidal, Christian D. Wilson

Research output: Contribution to journal › Article › peer-review

29 Scopus citations

Abstract

We present new experimental results on radiolysis of water ice below 140 K induced by 150-eV electrons and 100-keV ions, obtained to understand processes occurring in the outer solar system and interstellar space. The experimental methods discussed are low-energy electron-energy-loss spectroscopy (EELS) and Fourier-transform-infrared (FTIR) spectroscopy. The phenomena studied are the formation and trapping of radiation products, in particular H ₂O ₂, and radiation-induced amorphization of crystalline ice.

Original language	English (US)
Pages (from-to)	187-191
Number of pages	5
Journal	Radiation Physics and Chemistry
Volume	72
Issue number	2-3
DOIs	https://doi.org/10.1016/j.radphyschem.2004.09.013
State	Published - Feb 2005
Externally published	Yes

Keywords

Amorphization
Electron-energy-loss spectroscopy (EELS)
Hydrogen peroxide (H O )
Hydroperoxyl radical (HO )
Ice radiolysis
Sputtering

ASJC Scopus subject areas

Radiation

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10.1016/j.radphyschem.2004.09.013

Cite this

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title = "Laboratory studies of radiation effects in water ice in the outer solar system",

abstract = "We present new experimental results on radiolysis of water ice below 140 K induced by 150-eV electrons and 100-keV ions, obtained to understand processes occurring in the outer solar system and interstellar space. The experimental methods discussed are low-energy electron-energy-loss spectroscopy (EELS) and Fourier-transform-infrared (FTIR) spectroscopy. The phenomena studied are the formation and trapping of radiation products, in particular H 2O 2, and radiation-induced amorphization of crystalline ice.",

keywords = "Amorphization, Electron-energy-loss spectroscopy (EELS), Hydrogen peroxide (H O ), Hydroperoxyl radical (HO ), Ice radiolysis, Sputtering",

author = "Baragiola, {Ra{\'u}l A.} and Loeffler, {Mark J.} and Ujjwal Raut and Vidal, {Ricardo A.} and Wilson, {Christian D.}",

note = "Funding Information: We acknowledge financial support from the NASA Office of Space Science, the NSF Astronomy Division, and the Cassini CAPS program through JPL contract #1210586. MJL acknowledges support from the Virginia Space Grant Consortium.",

year = "2005",

month = feb,

doi = "10.1016/j.radphyschem.2004.09.013",

language = "English (US)",

volume = "72",

pages = "187--191",

journal = "Radiation Physics and Chemistry",

issn = "0969-806X",

publisher = "Elsevier Limited",

number = "2-3",

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TY - JOUR

T1 - Laboratory studies of radiation effects in water ice in the outer solar system

AU - Baragiola, Raúl A.

AU - Loeffler, Mark J.

AU - Raut, Ujjwal

AU - Vidal, Ricardo A.

AU - Wilson, Christian D.

N1 - Funding Information: We acknowledge financial support from the NASA Office of Space Science, the NSF Astronomy Division, and the Cassini CAPS program through JPL contract #1210586. MJL acknowledges support from the Virginia Space Grant Consortium.

PY - 2005/2

Y1 - 2005/2

N2 - We present new experimental results on radiolysis of water ice below 140 K induced by 150-eV electrons and 100-keV ions, obtained to understand processes occurring in the outer solar system and interstellar space. The experimental methods discussed are low-energy electron-energy-loss spectroscopy (EELS) and Fourier-transform-infrared (FTIR) spectroscopy. The phenomena studied are the formation and trapping of radiation products, in particular H 2O 2, and radiation-induced amorphization of crystalline ice.

AB - We present new experimental results on radiolysis of water ice below 140 K induced by 150-eV electrons and 100-keV ions, obtained to understand processes occurring in the outer solar system and interstellar space. The experimental methods discussed are low-energy electron-energy-loss spectroscopy (EELS) and Fourier-transform-infrared (FTIR) spectroscopy. The phenomena studied are the formation and trapping of radiation products, in particular H 2O 2, and radiation-induced amorphization of crystalline ice.

KW - Amorphization

KW - Electron-energy-loss spectroscopy (EELS)

KW - Hydrogen peroxide (H O )

KW - Hydroperoxyl radical (HO )

KW - Ice radiolysis

KW - Sputtering

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DO - 10.1016/j.radphyschem.2004.09.013

M3 - Article

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SN - 0969-806X

VL - 72

SP - 187

EP - 191

JO - Radiation Physics and Chemistry

JF - Radiation Physics and Chemistry

IS - 2-3

ER -

Laboratory studies of radiation effects in water ice in the outer solar system

Abstract

Keywords

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