Molecular probing of low-temperature incommensurate phases
Two-dimensional (2D) excitation-emission spectra of biphenyl doped with free-base chlorin were measured at 5 K under various pressures up to 350 MPa. Besides the features related to zero-phonon lines and their phonon sidebands, a broad spectral band amounting to 80% of the total intensity at 5 K was...
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| Опубліковано в: : | Физика низких температур |
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| Дата: | 2003 |
| Автори: | , , , |
| Формат: | Стаття |
| Мова: | Англійська |
| Опубліковано: |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2003
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| Онлайн доступ: | https://nasplib.isofts.kiev.ua/handle/123456789/128922 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | Molecular probing of low-temperature incommensurate phases / J. Kikas, A. Suisalu, A. Laisaar, An. Kuznetsov // Физика низких температур. — 2003. — Т. 29, № 9-10. — С. 1057-1060. — Бібліогр.: 13 назв. — англ. |
Репозитарії
Digital Library of Periodicals of National Academy of Sciences of Ukraine| _version_ | 1862734332516368384 |
|---|---|
| author | Kikas, J. Suisalu, A. Laisaar, A. Kuznetsov, An. |
| author_facet | Kikas, J. Suisalu, A. Laisaar, A. Kuznetsov, An. |
| citation_txt | Molecular probing of low-temperature incommensurate phases / J. Kikas, A. Suisalu, A. Laisaar, An. Kuznetsov // Физика низких температур. — 2003. — Т. 29, № 9-10. — С. 1057-1060. — Бібліогр.: 13 назв. — англ. |
| collection | DSpace DC |
| container_title | Физика низких температур |
| description | Two-dimensional (2D) excitation-emission spectra of biphenyl doped with free-base chlorin were measured at 5 K under various pressures up to 350 MPa. Besides the features related to zero-phonon lines and their phonon sidebands, a broad spectral band amounting to 80% of the total intensity at 5 K was revealed in the 2D spectra. The obtained inhomogeneous distribution function shows drastic changes with increasing pressure — the triplet structure observable at normal pressure in the incommensurate phase ICIII of biphenyl converges to a singlet in the high-pressure commensurate phase CI. These observations are assumed to reflect specific for incommensurate phases relaxation after an optical excitation of probe molecules and interaction of them with the incommensurate modulation wave.
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| first_indexed | 2025-12-07T19:42:40Z |
| format | Article |
| fulltext | |
| id | nasplib_isofts_kiev_ua-123456789-128922 |
| institution | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| issn | 0132-6414 |
| language | English |
| last_indexed | 2025-12-07T19:42:40Z |
| publishDate | 2003 |
| publisher | Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
| record_format | dspace |
| spelling | Kikas, J. Suisalu, A. Laisaar, A. Kuznetsov, An. 2018-01-14T13:00:22Z 2018-01-14T13:00:22Z 2003 Molecular probing of low-temperature incommensurate phases / J. Kikas, A. Suisalu, A. Laisaar, An. Kuznetsov // Физика низких температур. — 2003. — Т. 29, № 9-10. — С. 1057-1060. — Бібліогр.: 13 назв. — англ. 0132-6414 PACS: 61.44.Fw, 62.50.+p, 64.70.Rh, 78.55.Kz https://nasplib.isofts.kiev.ua/handle/123456789/128922 Two-dimensional (2D) excitation-emission spectra of biphenyl doped with free-base chlorin were measured at 5 K under various pressures up to 350 MPa. Besides the features related to zero-phonon lines and their phonon sidebands, a broad spectral band amounting to 80% of the total intensity at 5 K was revealed in the 2D spectra. The obtained inhomogeneous distribution function shows drastic changes with increasing pressure — the triplet structure observable at normal pressure in the incommensurate phase ICIII of biphenyl converges to a singlet in the high-pressure commensurate phase CI. These observations are assumed to reflect specific for incommensurate phases relaxation after an optical excitation of probe molecules and interaction of them with the incommensurate modulation wave. Earlier collaboration with J. Friedrich and his group has initiated these studies. Support from the Estonian Science Foundation under grants No. 5544 and 3873 is greatly appreciated. en Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України Физика низких температур Biological Systems at Low Temperatures Molecular probing of low-temperature incommensurate phases Article published earlier |
| spellingShingle | Molecular probing of low-temperature incommensurate phases Kikas, J. Suisalu, A. Laisaar, A. Kuznetsov, An. Biological Systems at Low Temperatures |
| title | Molecular probing of low-temperature incommensurate phases |
| title_full | Molecular probing of low-temperature incommensurate phases |
| title_fullStr | Molecular probing of low-temperature incommensurate phases |
| title_full_unstemmed | Molecular probing of low-temperature incommensurate phases |
| title_short | Molecular probing of low-temperature incommensurate phases |
| title_sort | molecular probing of low-temperature incommensurate phases |
| topic | Biological Systems at Low Temperatures |
| topic_facet | Biological Systems at Low Temperatures |
| url | https://nasplib.isofts.kiev.ua/handle/123456789/128922 |
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