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Infrared-active vibron bands associated with rare gas atom dopants isolated in solid parahydrogen
We report high-resolution infrared absorption spectroscopic studies of the dopant-induced Q₁(0) vibron band in solid parahydrogen crystals doped with low concentrations of rare gas atoms. The frequency, lineshape, and integrated absorption coefficient for the rare gas atom-induced Q₁(0) vibron ban...
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Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2007
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| Series: | Физика низких температур |
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| Online Access: | http://dspace.nbuv.gov.ua/handle/123456789/121780 |
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irk-123456789-1217802017-06-17T03:02:56Z Infrared-active vibron bands associated with rare gas atom dopants isolated in solid parahydrogen Raston, P.L. Anderson, D.T. Quantum Crystals We report high-resolution infrared absorption spectroscopic studies of the dopant-induced Q₁(0) vibron band in solid parahydrogen crystals doped with low concentrations of rare gas atoms. The frequency, lineshape, and integrated absorption coefficient for the rare gas atom-induced Q₁(0) vibron band are measured for Ne, Ar, Kr, and Xe. The observed lineshapes and peak maxima frequencies are sensitive to the H₂ vibrational dependence of the dopant-H₂ isotropic intermolecular potential. Trends observed for Ar, Kr and Xe indicate the vibrational dependence is strong enough for Xe to trap the infrared-active vibron in its first solvation shell while for Ar the vibron remains delocalized. The Ne-induced feature displays a qualitatively different lineshape which is attributed to the weak intramolecular vibrational dependence of the Ne–H₂ intermolecular potential relative to the H₂–H₂ interaction. The lineshapes of the Ar, Kr, and Xe dopant-induced Q₁(0) pure vibrational features agree well with recent first principles calculations. 2007 Article Infrared-active vibron bands associated with rare gas atom dopants isolated in solid parahydrogen / P.L. Raston, D.T. Anderson // Физика низких температур. — 2007. — Т. 33, № 6-7. — С. 653-660. — Бібліогр.: 44 назв. — англ. 0132-6414 PACS: 33.20.Ea; 63.50.+x; 67.80.–s http://dspace.nbuv.gov.ua/handle/123456789/121780 en Физика низких температур Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
| institution |
Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| collection |
DSpace DC |
| language |
English |
| topic |
Quantum Crystals Quantum Crystals |
| spellingShingle |
Quantum Crystals Quantum Crystals Raston, P.L. Anderson, D.T. Infrared-active vibron bands associated with rare gas atom dopants isolated in solid parahydrogen Физика низких температур |
| description |
We report high-resolution infrared absorption spectroscopic studies of the dopant-induced Q₁(0) vibron
band in solid parahydrogen crystals doped with low concentrations of rare gas atoms. The frequency,
lineshape, and integrated absorption coefficient for the rare gas atom-induced Q₁(0) vibron band are measured
for Ne, Ar, Kr, and Xe. The observed lineshapes and peak maxima frequencies are sensitive to the H₂
vibrational dependence of the dopant-H₂ isotropic intermolecular potential. Trends observed for Ar, Kr and
Xe indicate the vibrational dependence is strong enough for Xe to trap the infrared-active vibron in its first
solvation shell while for Ar the vibron remains delocalized. The Ne-induced feature displays a qualitatively
different lineshape which is attributed to the weak intramolecular vibrational dependence of the Ne–H₂
intermolecular potential relative to the H₂–H₂ interaction. The lineshapes of the Ar, Kr, and Xe dopant-induced
Q₁(0) pure vibrational features agree well with recent first principles calculations. |
| format |
Article |
| author |
Raston, P.L. Anderson, D.T. |
| author_facet |
Raston, P.L. Anderson, D.T. |
| author_sort |
Raston, P.L. |
| title |
Infrared-active vibron bands associated with rare gas atom dopants isolated in solid parahydrogen |
| title_short |
Infrared-active vibron bands associated with rare gas atom dopants isolated in solid parahydrogen |
| title_full |
Infrared-active vibron bands associated with rare gas atom dopants isolated in solid parahydrogen |
| title_fullStr |
Infrared-active vibron bands associated with rare gas atom dopants isolated in solid parahydrogen |
| title_full_unstemmed |
Infrared-active vibron bands associated with rare gas atom dopants isolated in solid parahydrogen |
| title_sort |
infrared-active vibron bands associated with rare gas atom dopants isolated in solid parahydrogen |
| publisher |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
| publishDate |
2007 |
| topic_facet |
Quantum Crystals |
| url |
http://dspace.nbuv.gov.ua/handle/123456789/121780 |
| citation_txt |
Infrared-active vibron bands associated with rare gas atom dopants isolated in solid parahydrogen / P.L. Raston, D.T. Anderson // Физика низких температур. — 2007. — Т. 33, № 6-7. — С. 653-660. — Бібліогр.: 44 назв. — англ. |
| series |
Физика низких температур |
| work_keys_str_mv |
AT rastonpl infraredactivevibronbandsassociatedwithraregasatomdopantsisolatedinsolidparahydrogen AT andersondt infraredactivevibronbandsassociatedwithraregasatomdopantsisolatedinsolidparahydrogen |
| first_indexed |
2023-10-18T20:40:18Z |
| last_indexed |
2023-10-18T20:40:18Z |
| _version_ |
1796150808628166656 |