“Inverting” X-ray absorption spectra of catalysts by machine learning in search for activity descriptors

J Timoshenko, AI Frenkel - Acs Catalysis, 2019 - ACS Publications
The rapid growth of methods emerging in the past decade for synthesis of “designer”
catalysts—ranging from the size and shape-selected nanoparticles to mass-selected …

Neural network approach for characterizing structural transformations by X-ray absorption fine structure spectroscopy

J Timoshenko, A Anspoks, A Cintins, A Kuzmin… - Physical review …, 2018 - APS
The knowledge of the coordination environment around various atomic species in many
functional materials provides a key for explaining their properties and working mechanisms …

[HTML][HTML] Linking the evolution of catalytic properties and structural changes in copper–zinc nanocatalysts using operando EXAFS and neural-networks

J Timoshenko, HS Jeon, I Sinev, FT Haase… - Chemical …, 2020 - pubs.rsc.org
Understanding the evolution of unique structural motifs in bimetallic catalysts under reaction
conditions, and linking them to the observed catalytic properties is necessary for the rational …

EDA: EXAFS data analysis software package

A Kuzmin - Physica B: Condensed Matter, 1995 - Elsevier
The present paper describes the EXAFS data analysis software package, called EDA,
originally developed by the author for IBM PC compatible computers. It consists of a set of …

Local structural investigation of hafnia-zirconia polymorphs in powders and thin films by X-ray absorption spectroscopy

T Schenk, A Anspoks, I Jonane, R Ignatans… - Acta Materialia, 2019 - Elsevier
Despite increasing attention for the recently found ferro-and antiferroelectric properties, the
polymorphism in hafnia-and zirconia-based thin films is still not sufficiently understood. In …

Treatment of disorder effects in X-ray absorption spectra beyond the conventional approach

A Kuzmin, J Timoshenko, A Kalinko, I Jonane… - Radiation Physics and …, 2020 - Elsevier
The contribution of static and thermal disorder is one of the largest challenges for the
accurate determination of the atomic structure from the extended X-ray absorption fine …

Analysis of the U L3-edge X-ray absorption spectra in UO2 using molecular dynamics simulations

D Bocharov, M Chollet, M Krack, J Bertsch… - Progress in Nuclear …, 2017 - Elsevier
Uranium L 3-edge X-ray absorption spectroscopy was used to study the atomic structure of
uranium dioxide (UO 2). The extended X-ray absorption fine structure (EXAFS) was …

Thermal disorder and correlation effects in anti-perovskite-type copper nitride

J Timoshenko, A Anspoks, A Kalinko, A Kuzmin - Acta Materialia, 2017 - Elsevier
Abstract Reverse Monte Carlo simulations coupled with evolutionary algorithm were
employed for the analysis of the temperature dependent (10–300 K) Cu K-edge extended X …

Ab initio molecular dynamics simulations of negative thermal expansion in ScF3: The effect of the supercell size

D Bocharov, M Krack, Y Rafalskij, A Kuzmin… - Computational Materials …, 2020 - Elsevier
Scandium fluoride (ScF 3) belongs to a class of negative thermal expansion (NTE) materials.
It shows a strong lattice contraction up to about 1000 K switching to expansion at higher …

ZnO–TiO2: Synthesis, Characterization and Evaluation of Photo Catalytic Activity towards Degradation of Methyl Orange

M Saeed, M Ibrahim, M Muneer, N Akram… - Zeitschrift für …, 2021 - degruyter.com
Here in, we report the synthesis and characterization of ZnO–TiO2 composite as a potential
photo catalyst for photo degradation of methyl orange under UV irradiation. ZnO–TiO2 with …