Vibrational dynamics of solid molecular nitrogen to megabar pressures
We report the results of Raman and synchrotron infrared absorption measurements of several molecular phases of solid nitrogen to pressures above 100 GPa (300 K). Low- temperature vibrational spectra to 45 GPa are also presented. The changes in Raman and infrared spectra at 60 GPa and 300 K are inter...
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| Published in: | Физика низких температур |
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| Date: | 2001 |
| Main Authors: | , , , |
| Format: | Article |
| Language: | English |
| Published: |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2001
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| Subjects: | |
| Online Access: | https://nasplib.isofts.kiev.ua/handle/123456789/129019 |
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| Journal Title: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Cite this: | Vibrational dynamics of solid molecular nitrogen to megabar pressures / A.F. Goncharov, E.Gregoryanz, H.-K. Mao, R.J. Hemley // Физика низких температур. — 2001. — Т. 27, № 9-10. — С. 1170-1174. — Бібліогр.: 39 назв. — англ. |
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Digital Library of Periodicals of National Academy of Sciences of Ukraine| Summary: | We report the results of Raman and synchrotron infrared absorption measurements of several molecular phases of solid nitrogen to pressures above 100 GPa (300 K). Low- temperature vibrational spectra to 45 GPa are also presented. The changes in Raman and infrared spectra at 60 GPa and 300 K are interpreted as arising from the ε→ ζ transition reported at low temperature. The character of splitting of the Raman vibron ν₂ observed at 25 GPa and low temperatures differs from that previously reported, a difference that we ascribe to different experimental procedures employed and metastability of the low- temperature phase.
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| ISSN: | 0132-6414 |