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XAS study of murataite-based ceramics and crystalline film of ThO2

Andrei Evgenievich Putkov 1, 2
Andrei Evgenievich Putkov
, 
Yurii Aleksandrovich Teterin 1, 2
Yurii Aleksandrovich Teterin
, 
Alexander Leonidovich Trigub 2
Alexander Leonidovich Trigub
, 
Sergey Vladimirovich Yudintsev 3, 4
Sergey Vladimirovich Yudintsev
, 
Olga Ivanovna Stefanovskaya 4
Olga Ivanovna Stefanovskaya
, 
Kirill Evgenievich Ivanov 2
Kirill Evgenievich Ivanov
,  , 
1 Department of Chemistry, M.V. Lomonosov Moscow State University, Moscow, Russian Federation
2 National Research Centre 'Kurchatov Institute', Moscow, Russian Federation
3 Institute of Geology of Ore Deposits, Petrography, Mineralogy and Geochemistry, Moscow, Russian Federation
4 A.N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Moscow, Russian Federation
10.1016/j.mencom.2023.01.043
Published 2022-12-26
Communication , Volume 33, Issue 1, 135-137
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Putkov A. E. et al. XAS study of murataite-based ceramics and crystalline film of ThO2 // Mendeleev Communications. 2022. Vol. 33. No. 1. pp. 135-137.
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Putkov A. E., Teterin Y. A., Trigub A. L., Yudintsev S. V., Stefanovskaya O. I., Ivanov K. E., Kalmykov S. N., Petrov V. G. XAS study of murataite-based ceramics and crystalline film of ThO2 // Mendeleev Communications. 2022. Vol. 33. No. 1. pp. 135-137.
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TY - JOUR
DO - 10.1016/j.mencom.2023.01.043
UR - https://mendcomm.colab.ws/publications/10.1016/j.mencom.2023.01.043
TI - XAS study of murataite-based ceramics and crystalline film of ThO2
T2 - Mendeleev Communications
AU - Putkov, Andrei Evgenievich
AU - Teterin, Yurii Aleksandrovich
AU - Trigub, Alexander Leonidovich
AU - Yudintsev, Sergey Vladimirovich
AU - Stefanovskaya, Olga Ivanovna
AU - Ivanov, Kirill Evgenievich
AU - Kalmykov, Stepan Nikolaevich
AU - Petrov, Vladimir Gennadievich
PY - 2022
DA - 2022/12/26
PB - Mendeleev Communications
SP - 135-137
IS - 1
VL - 33
ER -
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@article{2022_Putkov,
author = {Andrei Evgenievich Putkov and Yurii Aleksandrovich Teterin and Alexander Leonidovich Trigub and Sergey Vladimirovich Yudintsev and Olga Ivanovna Stefanovskaya and Kirill Evgenievich Ivanov and Stepan Nikolaevich Kalmykov and Vladimir Gennadievich Petrov},
title = {XAS study of murataite-based ceramics and crystalline film of ThO2},
journal = {Mendeleev Communications},
year = {2022},
volume = {33},
publisher = {Mendeleev Communications},
month = {Dec},
url = {https://mendcomm.colab.ws/publications/10.1016/j.mencom.2023.01.043},
number = {1},
pages = {135--137},
doi = {10.1016/j.mencom.2023.01.043}
}
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Putkov, Andrei Evgenievich, et al. “XAS study of murataite-based ceramics and crystalline film of ThO2.” Mendeleev Communications, vol. 33, no. 1, Dec. 2022, pp. 135-137. https://mendcomm.colab.ws/publications/10.1016/j.mencom.2023.01.043.
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Keywords

crystal film
disposal of nuclear waste.
EXAFS spectroscopy
murataite-based ceramic
thorium dioxide

Abstract

The local environment of thorium in murataite ceramics (Al,Ca,Ti,Mn,Fe,Zr,Th)Ox and ThO2(001) crystalline film on Si(100) substrate as a reference was explored by X-ray absorption spectroscopy (XAS) for the first time. It was found that Th4+ is located in the center of a cube formed by 8 oxygen atoms [r(Th-O) = 2.37 ± 0.03 A] in murataite ceramics and ThO2 film. The Th4+ second coordination sphere [r(Th-M) ≈ 3.5 A] in murataite is represented by 3d metals: titanium, iron or manganese

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