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Laboratory for Chemical Physics of f-elements

Contract number
075-15-2019-1891
Time span of the project
2019-2021

As of 15.02.2021

15
Number of staff members
7
scientific publications
2
Objects of intellectual property
General information
Name of the project: Chemistry of elements on the bottom of the periodic table of elements through Advanced Physics

Strategy for Scientific and Technological Development Priority Level: б

Goals and objectives

Project objective: Study of fundamental physical and chemical properties of f-elements and research of processes in which these processes play an important role.

The practical value of the study

At the Department of Radiochemistry of the Faculty of Chemistry of Moscow State University, a laboratory X-ray spectrometer with a high energy resolution has been assembled. It allows to collect high-quality data using various methods of X-ray spectroscopy (https://xas.chem.msu.ru/ru/lab-ru/oborudovanie/9-x-ray-spectrometer). The synthesis of actinide- and lanthanide-containing materials and their characterisation using several methods of X-ray spectroscopy combined with other synchrotron radiation methods. We are also conducting a theoretical modelling of the absorption spectra and computations of the electronic structure by means of various methods.

The results of research conducted by the Laboratory allow to accumulate data on the main properties of materials based on actinides and lanthanides and enhance the understanding of the mechanisms of various chemical reactions with An/Ln at the atomic level. From a practical standpoint, the research is aimed at the solution of such problems as: the safety of radioactive waste circulation and disposal, physico-chemical processes accompanying the behaviour of radionuclides in the environment and the potential application of f-electron systems in catalytic processes in biomedicine (including nuclear medicine) and photochemistry.

Education and career development:

  • The following series of lectures have been conducted:

- A series of lectures «Modern physico-chemical methods in radiochemistry and beyond», in the remote mode with the participation of Russian and foreign researchers;

- A series of lectures «Synchrotron methods of high-resolution spectroscopy: Experiment and Theory»;

- A series of lectures: «X-ray Absorption Spectroscopy: Experiment, Theory, Analysis and Data Processing».

  • A number of internships for students have been organised at the European Synchrotron Radiation Facility (ESRF, France) with durations ranging from several weeks to six months.

Collaborations:

European Synchrotron Radiation Facility (ESRF, France), Helmholtz-Zentrum Dresden-Rossendorf (HZDR, Germany), Synchrotron SOLEIL (France), Karlsruher Institut für Technologie (Germany), Uppsala University (Sweden), University of Helsinki (Finland), Umeå University (Sweden), National Research Center "Kurchatov Institute" (Russia).


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L. Amidani, G. B. M. Vaughan, T. V. Plakhova, A. Y. Romanchuk, E. Gerber, R. Svetogorov, S. Weiss, Y. Joly, S. N. Kalmykov, and K. O. Kvashnina
The Application of HEXS and HERFD XANES for Accurate Structural Characterisation of Actinide Nanomaterials: The Case of ThO 2, Chem. – A Eur. J. 27, 252 (2021)
I. Pidchenko, S. Bauters, I. Sinenko, S. Hempel, L. Amidani, D. Detollenaere, L. Vinze, D. Banerjee, R. van Silfhout, S. N. Kalmykov, J. Göttlicher, R. J. Baker, and K. O. Kvashnina
A Multi-Technique Study of Altered Granitic Rock from the Krunkelbach Valley Uranium Deposit, Southern Germany, RSC Adv. 10, 25529 (2020)
A. L. Trigub, N. D. Trofimov, B. R. Tagirov, M. S. Nickolsky, and K. O. Kvashnina
Probing the Local Atomic Structure of In and Cu in Sphalerite by XAS Spectroscopy Enhanced by Reverse Monte Carlo Algorithm, Minerals 10, 841 (2020)
N. D. Trofimov, A. L. Trigub, B. R. Tagirov, O. N. Filimonova, P. V. Evstigneeva, D. A. Chareev, K. O. Kvashnina, and M. S. Nickolsky
The State of Trace Elements (In, Cu, Ag) in Sphalerite Studied by X-Ray Absorption Spectroscopy of Synthetic Minerals, Minerals 10, 640 (2020)
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