activity
20122023
most citedThe chemical state of complex uranium oxides

294 citations · 1.2k across the 18 of their papers we have counts for

collaborators

18 papers

physics.chem-ph2023

Effect of carbon content on electronic structure of uranium carbides

S. M. Butorin, S. Bauters, L. Amidani +6

The electronic structure of UC (x=0.9, 1.0, 1.1, 2.0) was studied by means of x-ray absorption spectroscopy (XAS) at the C edge and measurements in the high energy resoluti…

cond-mat.mes-hall2021★ 7 cited

Behavior of implanted Xe, Kr and Ar in nanodiamond and thin graphene stacks: experiment and modeling

Andrey A. Shiryaev, Alexander L. Trigub, Ekaterina N. Voronina +2

Implantation and subsequent behaviour of heavy noble gases (Ar, Kr, Xe) in few-layer graphene sheets and in nanodiamonds is studied both using computational methods and experimenta…

physics.chem-ph2021★ 28 cited

Insight into the structure-property relation of UO2 nanoparticles

Evgeny Gerber, Anna Yu. Romanchuk, Stephan Weiss +10

Highly crystalline UO2 nanoparticles (NPs) with sizes of 2-3 nm were produced by fast chemical deposition of uranium(IV) under reducing conditions at pH 8-11. The particles were th…

physics.chem-ph2020★ 39 cited

Trends in the valence band electronic structures of mixed uranium oxides

Kristina O Kvashnina, Piotr M Kowalski, Sergei M Butorin +5

Valence band electronic structure of mixed uranium oxides (UO2, U4O9, U3O7, U3O8, UO3) has been studied by the resonant inelastic X-ray scattering (RIXS) technique at the U M5 edge…

cond-mat.mtrl-sci2020★ 39 cited

Understanding the size effects on the electronic structure of ThO2 nanoparticles

Lucia Amidani, Tatiana V. Plakhova, Anna Yu. Romanchuk +7

Developing characterization techniques and analysis methods adapted to the investigation of nanoparticles (NPs) is of fundamental importance considering the role of these materials…

cond-mat.mtrl-sci2020★ 38 cited

The application of HEXS and HERFD XANES for accurate structural characterization of actinide nanomaterials: application to ThO2

Lucia Amidani, Gavin B. M. Vaughan, Tatiana V. Plakhova +7

Structural characterization of actinide nanoparticles (NPs) is of primary importance and hard to achieve, especially for non-homogeneous samples with NPs below 3 nm. By combining H…

physics.chem-ph2020★ 73 cited

Towards the surface hydroxyl species in CeO nanoparticles

Tatiana V Plakhova, Anna Yu Romanchuk, Sergei M Butorin +13

Understanding the complex chemistry of functional nanomaterials is of fundamental importance. Controlled synthesis and characterization at the atomic level is essential to gain dee…

physics.chem-ph2020★ 205 cited

Size Dependence of Lattice Parameter and Electronic Structure in CeO 2 Nanoparticles

Damien Prieur, Walter Bonani, Karin Popa +11

Intrinsic properties of a compound (e.g., electronic structure, crystallographic structure, optical and magnetic properties) define notably its chemical and physical behavior. In t…

physics.chem-ph2020★ 17 cited

Synthesis, Structural, and Electronic Properties of K 4 Pu VI O 2(CO 3) 3(cr): An Environmentally Relevant Plutonium Carbonate Complex

Ivan Pidchenko, Juliane März, Myrtille O J Y Hunault +3

The chemical properties of actinide materials are often predefined and described based on the data available for isostructural species. This is the case for potassium plutonyl (PuV…

physics.chem-ph2020★ 47 cited

The missing pieces of the PuO 2 nanoparticle puzzle

Evgeny Gerber, Anna Yu Romanchuk, Ivan Pidchenko +14

The nanoscience field often produces results more mystifying than any other discipline. It has been argued that changes in the plutonium dioxide (PuO2) particle size from bulk to n…

physics.chem-ph2020★ 44 cited

Eu: a suitable substituent for Pb in CsPbX perovskite nanocrystals?

Firoz Alam, K. David Wegner, Stephanie Pouget +4

Eu is used to replace toxic Pb in metal halide perovskite nanocrystals (NCs). The synthesis implies injection of cesium oleate into a solution of europium (II) bromid…

physics.chem-ph2020★ 6 cited

A multi-technique study of altered granitic rock from the Krunkelbach Valley uranium deposit, Southern Germany

Ivan Pidchenko, Stephen Bauters, Irina Sinenko +10

Herein, a multi-technique study was performed to reveal the elemental speciation and microphase composition in altered granitic rock collected from the Krunkelbach Valley uranium (…

physics.comp-ph2020★ 1 cited

Modeling of Nuclear Waste Forms: State-of-the-Art and Perspectives

Piotr. M. Kowalski, Steve Lange, Guido Deissmann +6

Computational modeling is an important aspect of the research on nuclear waste materials. In particular, atomistic simulations, when used complementary to experimental efforts, con…

physics.chem-ph2020★ 67 cited

New insights into the mechanism of graphene oxide and radionuclide interaction through vacancy defects

Anastasiia S. Kuzenkova, Anna Yu. Romanchuk, Alexander L. Trigub +8

The sorption of radionuclides by graphene oxides synthesized by different methods was studied through a combination of batch experiments with characterization by microscopic and sp…

physics.chem-ph2020★ 30 cited

Size Effects in Nanocrystalline Thoria

Tatiana V. Plakhova, Anna Yu. Romanchuk, Daria V. Likhosherstova +9

The facile chemical precipitation method and subsequent thermal treatment were shown to be suitable for preparation of crystalline ThO2 nanoparticles(NPs) in a wide range of partic…

cond-mat.mtrl-sci2013★ 294 cited

Role of resonant inelastic x-ray scattering in high-resolution core-level spectroscopy of actinide materials

K. O. Kvashnina, S. M. Butorin

This paper provides a brief overview of applications of advanced X-ray spectroscopic techniques that take advantage of the resonant inelastic X-ray scattering (RIXS) in the hard an…

cond-mat.mtrl-sci2013★ 294 cited

The chemical state of complex uranium oxides

K. O. Kvashnina, S. M. Butorin, P. Martin +1

We report here the first direct observation of U(V) in uranium binary oxides and analyze the gradual conversion of the U oxidation state in the mixed uranium systems. Our finding c…

cond-mat.mtrl-sci2012★ 1 cited

Structural properties of amorphous metal carbides; theory and experiment

K. Kadas, M. Andersson, E. Holmstrom +8

By means of theoretical modeling and experimental synthesis and characterization, we investigate the structural properties of amorphous Zr-Si-C. Two chemical compositions are selec…