Isotopic effect on thermal mobility of atomic hydrogen in solid xenon
Leonid Khriachtchev
1
,
Hanna Tanskanen
1
,
Mika Pettersson
1
,
Markku Räsänen
1
,
Vladimir Feldman
2
,
Fedor Sukhov
2
,
Aleksei Orlov
2
,
Alexander F. Shestakov
3
2
Publication type: Journal Article
Publication date: 2002-04-01
scimago Q1
wos Q2
SJR: 0.819
CiteScore: 5.3
Impact factor: 3.1
ISSN: 00219606, 10897690
Physical and Theoretical Chemistry
General Physics and Astronomy
Abstract
We have studied thermal mobility of atomic hydrogen in solid Xe using decomposition of water molecules as a source for hydrogen atoms. The formation of various isotopomers of HXeH and HXeOH is monitored at temperatures from 37 to 42 K by using infrared absorption spectroscopy, and the activation energy of this diffusion-controlled process is found to be ∼110 meV. Most importantly, the different mobility for hydrogen isotopes is demonstrated, H being faster than D, and the difference between the corresponding activation energies is estimated to be ∼4 meV. The electron paramagnetic resonance measurements of the thermal decay of H atoms and OH radicals show that the formation of HXeH and HXeOH is controlled by hydrogen mobility. The modeling of thermally activated jumps of hydrogen atoms in a relaxed Xe lattice agrees reasonably with experiment with respect to the isotopic effects but it underestimates the jump rate.
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Total citations:
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Citations from 2024:
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(3.57%)
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GOST
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Khriachtchev L. et al. Isotopic effect on thermal mobility of atomic hydrogen in solid xenon // Journal of Chemical Physics. 2002. Vol. 116. No. 13. pp. 5708-5716.
GOST all authors (up to 50)
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Khriachtchev L., Tanskanen H., Pettersson M., Räsänen M., Feldman V., Sukhov F., Orlov A., Shestakov A. F. Isotopic effect on thermal mobility of atomic hydrogen in solid xenon // Journal of Chemical Physics. 2002. Vol. 116. No. 13. pp. 5708-5716.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1063/1.1458549
UR - https://pubs.aip.org/jcp/article/116/13/5708/445020/Isotopic-effect-on-thermal-mobility-of-atomic
TI - Isotopic effect on thermal mobility of atomic hydrogen in solid xenon
T2 - Journal of Chemical Physics
AU - Khriachtchev, Leonid
AU - Tanskanen, Hanna
AU - Pettersson, Mika
AU - Räsänen, Markku
AU - Feldman, Vladimir
AU - Sukhov, Fedor
AU - Orlov, Aleksei
AU - Shestakov, Alexander F.
PY - 2002
DA - 2002/04/01
PB - AIP Publishing
SP - 5708-5716
IS - 13
VL - 116
SN - 0021-9606
SN - 1089-7690
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2002_Khriachtchev,
author = {Leonid Khriachtchev and Hanna Tanskanen and Mika Pettersson and Markku Räsänen and Vladimir Feldman and Fedor Sukhov and Aleksei Orlov and Alexander F. Shestakov},
title = {Isotopic effect on thermal mobility of atomic hydrogen in solid xenon},
journal = {Journal of Chemical Physics},
year = {2002},
volume = {116},
publisher = {AIP Publishing},
month = {apr},
url = {https://pubs.aip.org/jcp/article/116/13/5708/445020/Isotopic-effect-on-thermal-mobility-of-atomic},
number = {13},
pages = {5708--5716},
doi = {10.1063/1.1458549}
}
Cite this
MLA
Copy
Khriachtchev, Leonid, et al. “Isotopic effect on thermal mobility of atomic hydrogen in solid xenon.” Journal of Chemical Physics, vol. 116, no. 13, Apr. 2002, pp. 5708-5716. https://pubs.aip.org/jcp/article/116/13/5708/445020/Isotopic-effect-on-thermal-mobility-of-atomic.
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