Open Access
Effective coordination numbers from EXAFS: general approaches for lanthanide and actinide dioxides
Anna Romanchuk
1
,
Alexander Trigub
1, 2
,
Tatiana Plakhova
1
,
Roman Svetogorov
2
,
Kristina Kvashnina
1, 3, 4
,
2
3
Publication type: Journal Article
Publication date: 2022-01-27
scimago Q1
wos Q2
SJR: 1.029
CiteScore: 5.4
Impact factor: 3.0
ISSN: 09090495, 16005775
PubMed ID:
35254290
Instrumentation
Radiation
Nuclear and High Energy Physics
Abstract
Extended X-ray absorption fine structure (EXAFS) is a comprehensive and usable method for characterizing the structures of various materials, including radioactive and nuclear materials. Unceasing discussions about the interpretation of EXAFS results for actinide nanoparticles (NPs) or colloids were still present during the last decade. In this study, new experimental data for PuO2 and CeO2 NPs with different average sizes were compared with published data on AnO2 NPs that highlight the best fit and interpretation of the structural data. In terms of the structure, PuO2, CeO2, ThO2, and UO2 NPs exhibit similar behaviors. Only ThO2 NPs have a more disordered and even partly amorphous structure, which results in EXAFS characteristics. The proposed new core-shell model for NPs with calculated effective coordination number perfectly fits the results of the variations in a metal–metal shell with a decrease in NP size.
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23
Total citations:
23
Citations from 2024:
11
(47%)
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MLA
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GOST
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Romanchuk A. et al. Effective coordination numbers from EXAFS: general approaches for lanthanide and actinide dioxides // Journal of Synchrotron Radiation. 2022. Vol. 29. No. 2. pp. 288-294.
GOST all authors (up to 50)
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Romanchuk A., Trigub A., Plakhova T., Kuzenkova A., Svetogorov R., Kvashnina K., Kalmykov S. Effective coordination numbers from EXAFS: general approaches for lanthanide and actinide dioxides // Journal of Synchrotron Radiation. 2022. Vol. 29. No. 2. pp. 288-294.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1107/S160057752101300X
UR - https://scripts.iucr.org/cgi-bin/paper?S160057752101300X
TI - Effective coordination numbers from EXAFS: general approaches for lanthanide and actinide dioxides
T2 - Journal of Synchrotron Radiation
AU - Romanchuk, Anna
AU - Trigub, Alexander
AU - Plakhova, Tatiana
AU - Kuzenkova, Anastasiia
AU - Svetogorov, Roman
AU - Kvashnina, Kristina
AU - Kalmykov, Stepan
PY - 2022
DA - 2022/01/27
PB - International Union of Crystallography (IUCr)
SP - 288-294
IS - 2
VL - 29
PMID - 35254290
SN - 0909-0495
SN - 1600-5775
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2022_Romanchuk,
author = {Anna Romanchuk and Alexander Trigub and Tatiana Plakhova and Anastasiia Kuzenkova and Roman Svetogorov and Kristina Kvashnina and Stepan Kalmykov},
title = {Effective coordination numbers from EXAFS: general approaches for lanthanide and actinide dioxides},
journal = {Journal of Synchrotron Radiation},
year = {2022},
volume = {29},
publisher = {International Union of Crystallography (IUCr)},
month = {jan},
url = {https://scripts.iucr.org/cgi-bin/paper?S160057752101300X},
number = {2},
pages = {288--294},
doi = {10.1107/S160057752101300X}
}
Cite this
MLA
Copy
Romanchuk, Anna, et al. “Effective coordination numbers from EXAFS: general approaches for lanthanide and actinide dioxides.” Journal of Synchrotron Radiation, vol. 29, no. 2, Jan. 2022, pp. 288-294. https://scripts.iucr.org/cgi-bin/paper?S160057752101300X.