Fourier transform infrared studies of the N₂–O₂ binary system
Solid solutions (N₂)x(O₂)₁₋x have been investigated by infrared absorption measurements mainly in the O₂ and N₂ stretching regions, between 60–10 K, completing former similar studies by Raman scattering. We produced thermodynamically stable samples by a careful thermal treatment, followed by cool...
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| Дата: | 2006 |
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| Автори: | , |
| Формат: | Стаття |
| Мова: | English |
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Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2006
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| Назва видання: | Физика низких температур |
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| Онлайн доступ: | http://dspace.nbuv.gov.ua/handle/123456789/120883 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | Fourier transform infrared studies of the N₂–O₂ binary system / M. Minenko, H.-J. Jodl // Физика низких температур. — 2006. — Т. 32, № 11. — С. 1382–1401. — Бібліогр.: 39 назв. — англ. |
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irk-123456789-1208832017-06-14T03:05:52Z Fourier transform infrared studies of the N₂–O₂ binary system Minenko, M. Jodl, H.-J. Cryocrystals Solid solutions (N₂)x(O₂)₁₋x have been investigated by infrared absorption measurements mainly in the O₂ and N₂ stretching regions, between 60–10 K, completing former similar studies by Raman scattering. We produced thermodynamically stable samples by a careful thermal treatment, followed by cooling/heating cycles over weeks, during which we took spectra. From fingerprints in infrared spectra we deduce phase transition lines, solubility lines and suggest a refined, improved T–x% phase diagram with respect to inconsistencies between those in literature. Spectra of N₂–O₂ mixtures are pretty complex but referring to known spectra of pure systems N₂ or O₂ we were able to assign and interpret broad (~100 cm⁻¹) phonon side bands to fundamentals and electronic transition (O₂) depending on actual temperature and concentration. Narrow features in spectra (<10 cm⁻¹) were attributed to the vibron DOS of N₂ or O₂, whose bandwidth, band shape and intensity are different and characteristic for each phase. Differences between pure and mixed systems were pointed out. Matrix isolation technique (2 ppm of CO) was used to probe our mixture. 2006 Article Fourier transform infrared studies of the N₂–O₂ binary system / M. Minenko, H.-J. Jodl // Физика низких температур. — 2006. — Т. 32, № 11. — С. 1382–1401. — Бібліогр.: 39 назв. — англ. 0132-6414 PACS: 81.30.–t, 64.70.Kb, 64.75.+g, 78.30.–j, 63.20.Ls http://dspace.nbuv.gov.ua/handle/123456789/120883 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 |
Cryocrystals Cryocrystals |
| spellingShingle |
Cryocrystals Cryocrystals Minenko, M. Jodl, H.-J. Fourier transform infrared studies of the N₂–O₂ binary system Физика низких температур |
| description |
Solid solutions (N₂)x(O₂)₁₋x have been investigated by infrared absorption measurements
mainly in the O₂ and N₂ stretching regions, between 60–10 K, completing former similar studies
by Raman scattering. We produced thermodynamically stable samples by a careful thermal treatment,
followed by cooling/heating cycles over weeks, during which we took spectra. From fingerprints
in infrared spectra we deduce phase transition lines, solubility lines and suggest a refined,
improved T–x% phase diagram with respect to inconsistencies between those in literature. Spectra
of N₂–O₂ mixtures are pretty complex but referring to known spectra of pure systems N₂ or O₂ we
were able to assign and interpret broad (~100 cm⁻¹) phonon side bands to fundamentals and electronic
transition (O₂) depending on actual temperature and concentration. Narrow features in
spectra (<10 cm⁻¹) were attributed to the vibron DOS of N₂ or O₂, whose bandwidth, band shape
and intensity are different and characteristic for each phase. Differences between pure and mixed
systems were pointed out. Matrix isolation technique (2 ppm of CO) was used to probe our mixture. |
| format |
Article |
| author |
Minenko, M. Jodl, H.-J. |
| author_facet |
Minenko, M. Jodl, H.-J. |
| author_sort |
Minenko, M. |
| title |
Fourier transform infrared studies of the N₂–O₂ binary system |
| title_short |
Fourier transform infrared studies of the N₂–O₂ binary system |
| title_full |
Fourier transform infrared studies of the N₂–O₂ binary system |
| title_fullStr |
Fourier transform infrared studies of the N₂–O₂ binary system |
| title_full_unstemmed |
Fourier transform infrared studies of the N₂–O₂ binary system |
| title_sort |
fourier transform infrared studies of the n₂–o₂ binary system |
| publisher |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
| publishDate |
2006 |
| topic_facet |
Cryocrystals |
| url |
http://dspace.nbuv.gov.ua/handle/123456789/120883 |
| citation_txt |
Fourier transform infrared studies of the N₂–O₂ binary system / M. Minenko, H.-J. Jodl // Физика низких температур. — 2006. — Т. 32, № 11. — С. 1382–1401. — Бібліогр.: 39 назв. — англ. |
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Физика низких температур |
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