A. E. Putkov, Yu. A. Teterin, A. L. Trigub, S. V. Yudintsev, O. I. Stefanovskaya, K. E. Ivanov, S. N. Kalmykov, V. G. Petrov, “XAS study of murataite-based ceramics and crystalline film of ThO2”, Mendeleev Commun., 33:1 (2023), 135

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Mendeleev Communications, 2023, Volume 33, Issue 1, Pages 135–137
DOI: https://doi.org/10.1016/j.mencom.2023.01.043 (Mi mendc332)

This article is cited in 3 scientific papers (total in 3 papers)

Communications

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

A. E. Putkov^ab, Yu. A. Teterin^ab, A. L. Trigub^b, S. V. Yudintsev^cd, O. I. Stefanovskaya^d, K. E. Ivanov^b, S. N. Kalmykov^a, V. G. Petrov^a

^a Department of Chemistry, M.V. Lomonosov Moscow State University, Moscow, Russian Federation
^b National Research Centre 'Kurchatov Institute', Moscow, Russian Federation
^c Institute of Geology of Ore Deposits, Petrography, Mineralogy and Geochemistry, Moscow, Russian Federation
^d A.N. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Moscow, Russian Federation

Full-text PDF (467 kB) Citations (3) Supplementary materials

DOI: https://doi.org/10.1016/j.mencom.2023.01.043

Graphic abstract: XAS study of murataite-based ceramics and crystalline film of ThO<sub>2</sub>

Abstract: The local environment of thorium in murataite ceramics (Al,Ca,Ti,Mn,Fe,Zr,Th)O_x 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 Å] in murataite ceramics and ThO₂ film. The Th⁴⁺ second coordination sphere [r(Th–M) ≈ 3.5 Å] in murataite is represented by 3d metals: titanium, iron or manganese

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

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Document Type: Article

Language: English

*Supplementary materials:*
		Supplementary_data_1.pdf	(482.4 Kb)

Citation: A. E. Putkov, Yu. A. Teterin, A. L. Trigub, S. V. Yudintsev, O. I. Stefanovskaya, K. E. Ivanov, S. N. Kalmykov, V. G. Petrov, “XAS study of murataite-based ceramics and crystalline film of ThO₂”, Mendeleev Commun., 33:1 (2023), 135–137

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https://www.mathnet.ru/eng/mendc/v33/i1/p135

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