Temperature dependence of amplitudes of libration motion of guest spin-probe molecules in organic glasses
Тип публикации: Journal Article
Дата публикации: 1999-04-22
scimago Q1
wos Q2
БС2
SJR: 0.819
CiteScore: 5.3
Impact factor: 3.1
ISSN: 00219606, 10897690
Physical and Theoretical Chemistry
General Physics and Astronomy
Краткое описание
Electron paramagnetic resonance (EPR) lineshapes of nitroxide spin probes in a variety of organic supercooled liquids and glasses were analyzed within the framework of the fast librational motion model. Computer simulation confirmed that the EPR lineshape may be fitted well by the librational model. For all systems studied, a mean-squared amplitude of this motion, 〈α2〉, was found to depend linearly on temperature in the low-temperature region, which is typical of harmonic solids. The slope of the linear dependence varies from glass to glass and does not change for different nitroxides in the same glass. This slope seems to correlate with the strength of the intermolecular bonds and with a degree of the fragility of the glass. Steep rises in 〈α2〉 were observed at high temperature.
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ГОСТ
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Paschenko S. et al. Temperature dependence of amplitudes of libration motion of guest spin-probe molecules in organic glasses // Journal of Chemical Physics. 1999. Vol. 110. No. 16. pp. 8150-8154.
ГОСТ со всеми авторами (до 50)
Скопировать
Paschenko S., Toropov Y., Dzuba S. A., Tsvetkov Y., Vorobiev A. Kh. Temperature dependence of amplitudes of libration motion of guest spin-probe molecules in organic glasses // Journal of Chemical Physics. 1999. Vol. 110. No. 16. pp. 8150-8154.
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RIS
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TY - JOUR
DO - 10.1063/1.478717
UR - https://doi.org/10.1063/1.478717
TI - Temperature dependence of amplitudes of libration motion of guest spin-probe molecules in organic glasses
T2 - Journal of Chemical Physics
AU - Paschenko, S.V
AU - Toropov, Yu.V.
AU - Dzuba, S A
AU - Tsvetkov, Yu.D.
AU - Vorobiev, A Kh
PY - 1999
DA - 1999/04/22
PB - AIP Publishing
SP - 8150-8154
IS - 16
VL - 110
SN - 0021-9606
SN - 1089-7690
ER -
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BibTex (до 50 авторов)
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@article{1999_Paschenko,
author = {S.V Paschenko and Yu.V. Toropov and S A Dzuba and Yu.D. Tsvetkov and A Kh Vorobiev},
title = {Temperature dependence of amplitudes of libration motion of guest spin-probe molecules in organic glasses},
journal = {Journal of Chemical Physics},
year = {1999},
volume = {110},
publisher = {AIP Publishing},
month = {apr},
url = {https://doi.org/10.1063/1.478717},
number = {16},
pages = {8150--8154},
doi = {10.1063/1.478717}
}
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MLA
Скопировать
Paschenko, S.V, et al. “Temperature dependence of amplitudes of libration motion of guest spin-probe molecules in organic glasses.” Journal of Chemical Physics, vol. 110, no. 16, Apr. 1999, pp. 8150-8154. https://doi.org/10.1063/1.478717.