Peculiarities of EPR spectra of methyl radicals in quench-condensed krypton films
Methyl radicals are trapped in the solid Kr film by simultaneous condensation of gaseous Kr and the products of the gas discharge in CH₄ doped Kr on the low temperature (4.2 K) substrate located at the center of the microwave cavity. The observed EPR spectrum is a superposition of broad-line and...
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| Veröffentlicht in: | Физика низких температур |
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| Datum: | 2008 |
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| Format: | Artikel |
| Sprache: | English |
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Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2008
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| Zitieren: | Peculiarities of EPR spectra of methyl radicals in quench-condensed krypton films / Yu.A. Dmitriev // Физика низких температур. — 2008. — Т. 34, № 1. — С. 95-98. — Бібліогр.: 11 назв. — англ. |
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Dmitriev, Yu.A. 2017-05-15T11:52:54Z 2017-05-15T11:52:54Z 2008 Peculiarities of EPR spectra of methyl radicals in quench-condensed krypton films / Yu.A. Dmitriev // Физика низких температур. — 2008. — Т. 34, № 1. — С. 95-98. — Бібліогр.: 11 назв. — англ. 0132-6414 PACS: 76.30.Rn;32.30.Rj https://nasplib.isofts.kiev.ua/handle/123456789/116775 Methyl radicals are trapped in the solid Kr film by simultaneous condensation of gaseous Kr and the products of the gas discharge in CH₄ doped Kr on the low temperature (4.2 K) substrate located at the center of the microwave cavity. The observed EPR spectrum is a superposition of broad-line and narrow-line series. At a low resonance microwave power, the latter one consists of four hyperfine components with nearly equal intensities, and shows small axial anisotropy of both g- and A-tensors. At a sufficiently large power, two central narrow lines split so that the narrow-line series takes an appearance recorded elsewhere for CH₃ in Ar at higher temperatures above 12 K. Simultaneously, the intensity of two central broad lines increases dramatically while the outer components become saturated. The possible explanation is discussed. en Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України Физика низких температур Кpаткие сообщения Peculiarities of EPR spectra of methyl radicals in quench-condensed krypton films Article published earlier |
| institution |
Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| collection |
DSpace DC |
| title |
Peculiarities of EPR spectra of methyl radicals in quench-condensed krypton films |
| spellingShingle |
Peculiarities of EPR spectra of methyl radicals in quench-condensed krypton films Dmitriev, Yu.A. Кpаткие сообщения |
| title_short |
Peculiarities of EPR spectra of methyl radicals in quench-condensed krypton films |
| title_full |
Peculiarities of EPR spectra of methyl radicals in quench-condensed krypton films |
| title_fullStr |
Peculiarities of EPR spectra of methyl radicals in quench-condensed krypton films |
| title_full_unstemmed |
Peculiarities of EPR spectra of methyl radicals in quench-condensed krypton films |
| title_sort |
peculiarities of epr spectra of methyl radicals in quench-condensed krypton films |
| author |
Dmitriev, Yu.A. |
| author_facet |
Dmitriev, Yu.A. |
| topic |
Кpаткие сообщения |
| topic_facet |
Кpаткие сообщения |
| publishDate |
2008 |
| language |
English |
| container_title |
Физика низких температур |
| publisher |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
| format |
Article |
| description |
Methyl radicals are trapped in the solid Kr film by simultaneous condensation of gaseous Kr and the
products of the gas discharge in CH₄ doped Kr on the low temperature (4.2 K) substrate located at the center
of the microwave cavity. The observed EPR spectrum is a superposition of broad-line and narrow-line series.
At a low resonance microwave power, the latter one consists of four hyperfine components with nearly equal
intensities, and shows small axial anisotropy of both g- and A-tensors. At a sufficiently large power, two central
narrow lines split so that the narrow-line series takes an appearance recorded elsewhere for CH₃ in Ar at
higher temperatures above 12 K. Simultaneously, the intensity of two central broad lines increases dramatically
while the outer components become saturated. The possible explanation is discussed.
|
| issn |
0132-6414 |
| url |
https://nasplib.isofts.kiev.ua/handle/123456789/116775 |
| citation_txt |
Peculiarities of EPR spectra of methyl radicals in quench-condensed krypton films / Yu.A. Dmitriev // Физика низких температур. — 2008. — Т. 34, № 1. — С. 95-98. — Бібліогр.: 11 назв. — англ. |
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AT dmitrievyua peculiaritiesofeprspectraofmethylradicalsinquenchcondensedkryptonfilms |
| first_indexed |
2025-12-07T18:07:57Z |
| last_indexed |
2025-12-07T18:07:57Z |
| _version_ |
1850873874905825280 |