Towards the Bottom of the Periodic Table

Publications

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

Author(s): Ivan Pidchenko, Juliane März, Myrtille O. J. Y. Hunault, Stephen Bauters, Sergei M. Butorin, Kristina O. Kvashnina
Published in: Inorganic Chemistry, 2020, ISSN 0020-1669
Publisher: American Chemical Society
DOI: 10.1021/acs.inorgchem.0c01335

5f states in UGa2 probed by x-ray spectroscopies

Author(s): A. V. Kolomiets; M. Paukov; J. Valenta; B. Chatterjee; A. V. Andreev; K. O. Kvashnina; F. Wilhelm; A. Rogalev; D. Drozdenko; P. Minarik; J. Kolorenč; M. Richter; J. Prchal; L. Havela
Published in: Physical Review B 104(2021)4, 045119, Issue 104, 2021, Page(s) 045119, ISSN 2469-9969
Publisher: American Physical Society
DOI: 10.1103/physrevb.104.045119

Enhanced Sorption of Radionuclides by Defect-Rich Graphene Oxide

Author(s): Nicolas Boulanger, Anastasiia S. Kuzenkova, Artem Iakunkov, Anna Yu. Romanchuk, Alexander L. Trigub, Alexander V. Egorov, Stephen Bauters, Lucia Amidani, Marius Retegan, Kristina O. Kvashnina, Stepan N. Kalmykov, Alexandr V. Talyzin
Published in: ACS Applied Materials & Interfaces, Issue 12/40, 2020, Page(s) 45122-45135, ISSN 1944-8244
Publisher: American Chemical Society
DOI: 10.1021/acsami.0c11122

To form or not to form: PuO2 nanoparticles at acidic pH

Author(s): E. Gerber, A. Yu. Romanchuk, S. Weiss, A. Kuzenkova, M. Hynault, S. Bauters, A. Egorov, A. S. M. Butorin, S. N. Kalmykov, K. O. Kvashnina
Published in: Environmental Science: Nano, 2022, ISSN 2051-8153
Publisher: Royal Society of Chemistry
DOI: 10.1039/d1en00666e

Eu 2+ : A suitable substituent for Pb 2+ in CsPbX 3 perovskite nanocrystals?

Author(s): Firoz Alam, K. David Wegner, Stephanie Pouget, Lucia Amidani, Kristina Kvashnina, Dmitry Aldakov, Peter Reiss
Published in: The Journal of Chemical Physics, Issue 151/23, 2019, Page(s) 231101, ISSN 0021-9606
Publisher: American Institute of Physics
DOI: 10.1063/1.5126473

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

Author(s): Damien Prieur, Walter Bonani, Karin Popa, Olaf Walter, Kyle W. Kriegsman, Mark H. Engelhard, Xiaofeng Guo, Rachel Eloirdi, Thomas Gouder, Aaron Beck, Tonya Vitova, Andreas C. Scheinost, Kristina Kvashnina, Philippe Martin
Published in: Inorganic Chemistry, Issue 59/8, 2020, Page(s) 5760-5767, ISSN 0020-1669
Publisher: American Chemical Society
DOI: 10.1021/acs.inorgchem.0c00506

X-ray spectroscopic study of chemical state in uranium carbides

Author(s): S. M. Butorin, S. Bauters, L. Amidani, A. Beck, S. Weiss, T. Vitova and O. Tougait
Published in: Journal of Synchrotron Radiaion, Issue 29, 2022, Page(s) 295-302, ISSN 0909-0495
Publisher: Blackwell Publishing Inc.
DOI: 10.1107/s160057752101314x

New insights into the mechanism of graphene oxide and radionuclide interaction

Author(s): Anastasiia S. Kuzenkova, Anna Yu Romanchuk, Alexander L. Trigub, Konstantin I. Maslakov, Alexander V. Egorov, Lucia Amidani, Carter Kittrell, Kristina O. Kvashnina, James M. Tour, Alexandr V. Talyzin, Stepan N. Kalmykov
Published in: Carbon, Issue 158, 2020, Page(s) 291-302, ISSN 0008-6223
Publisher: Pergamon Press Ltd.
DOI: 10.1016/j.carbon.2019.10.003

Towards the surface hydroxyl species in CeO 2 nanoparticles

Author(s): Tatiana V. Plakhova, Anna Yu. Romanchuk, Sergei M. Butorin, Anastasia D. Konyukhova, Alexander V. Egorov, Andrey A. Shiryaev, Alexander E. Baranchikov, Pavel V. Dorovatovskii, Thomas Huthwelker, Evgeny Gerber, Stephen Bauters, Madina M. Sozarukova, Andreas C. Scheinost, Vladimir K. Ivanov, Stepan N. Kalmykov, Kristina O. Kvashnina
Published in: Nanoscale, Issue 11/39, 2019, Page(s) 18142-18149, ISSN 2040-3364
Publisher: Royal Society of Chemistry
DOI: 10.1039/c9nr06032d

Sulfidation and Reoxidation of U(VI)-Incorporated Goethite: Implications for U Retention during Sub-Surface Redox Cycling

Author(s): Olwen Stagg; Katherine Morris; Luke Thomas Townsend; Kristina O. Kvashnina; Michael L. Baker; Ryan L. Dempsey; Liam Abrahamsen-Mills; Samuel Shaw
Published in: Environmental Science and Technology 56(2022)24, 17643-17652, Issue 1, 2022, ISSN 0013-936X
Publisher: American Chemical Society
DOI: 10.1021/acs.est.2c05314

Insight into the structure–property relationship of UO 2 nanoparticles

Author(s): Evgeny Gerber, Anna Yu. Romanchuk, Stephan Weiss, Stephen Bauters, Bianca Schacherl, Tonya Vitova, René Hübner, Salim Shams Aldin Azzam, Dirk Detollenaere, Dipanjan Banerjee, Sergei M. Butorin, Stepan N. Kalmykov, Kristina O. Kvashnina
Published in: Inorganic Chemistry Frontiers, Issue 8, 2021, Page(s) 1102-1110, ISSN 2052-1553
Publisher: Royal Society of Chemistry
DOI: 10.1039/d0qi01140a

Correction: Formation of plutonium(<scp>iv</scp>) silicate species in very alkaline reactive media

Author(s): Paul Estevenon; Thomas Dumas; Pier Lorenzo Solari; Eleonore Welcomme; Stephanie Szenknect; Adel Mesbah; Kristina O. Kvashnina; Philippe Moisy; Christophe Poinssot; Nicolas Dacheux
Published in: Dalton Transactions, Issue 1, 2022, ISSN 1477-9226
Publisher: Royal Society of Chemistry
DOI: 10.1039/d2dt90053j

Local Structure in U(IV) and U(V) Environments: The Case of U 3 O 7

Author(s): Gregory Leinders, René Bes, Kristina O. Kvashnina, Marc Verwerft
Published in: Inorganic Chemistry, Issue 59/7, 2020, Page(s) 4576-4587, ISSN 0020-1669
Publisher: American Chemical Society
DOI: 10.1021/acs.inorgchem.9b03702

A Novel Metastable Pentavalent Plutonium Solid Phase on the Pathway from Aqueous Plutonium(VI) to PuO 2 Nanoparticles

Author(s): Kristina O. Kvashnina, Anna Yu. Romanchuk, Ivan Pidchenko, Lucia Amidani, Evgeny Gerber, Alexander Trigub, Andre Rossberg, Stephan Weiss, Karin Popa, Olaf Walter, Roberto Caciuffo, Andreas C. Scheinost, Sergei M. Butorin, Stepan N. Kalmykov
Published in: Angewandte Chemie International Edition, Issue 58/49, 2019, Page(s) 17558-17562, ISSN 1433-7851
Publisher: John Wiley & Sons Ltd.
DOI: 10.1002/anie.201911637

From Molecular Oxo-Hydroxo Ce Clusters to Crystalline CeO2

Author(s): Paul Estevenon, Lucia Amidani, Stephen Bauters, Christelle Tamain, Michael Bodensteiner, Florian Meurer, Christoph Hennig, Gavin Vaughan, Thomas Dumas*, and Kristina O. Kvashnina*
Published in: Chemistry of Materials, Issue 35, 2023, Page(s) 1723-1734, ISSN 0897-4756
Publisher: American Chemical Society
DOI: 10.1021/acs.chemmater.2c03456

Application of multi-edge HERFD-XAS to assess the uranium valence electronic structure in potassium uranate (KUO 3)

Author(s): R. Bes, G. Leinders, K. Kvashnina
Published in: Journal of Synchrotron Radiation, Issue 29, 2022, Page(s) 21-29, ISSN 0909-0495
Publisher: Blackwell Publishing Inc.
DOI: 10.1107/s1600577521012431

Formation of plutonium(iv) silicate species in very alkaline reactive media

Author(s): P. Estevenon, T. Dumas, P. Solari, E. Welcomme, S. Szenknect, A. Mesbah, K. O. Kvashnina, P. Moisy, C. Poinssot, N. Dacheux
Published in: Dalton Transactions, Issue 50, 2021, Page(s) 12528-12536, ISSN 1477-9226
Publisher: Royal Society of Chemistry
DOI: 10.1039/d1dt02248b

High-energy resolution X-ray spectroscopy at actinide M 4,5 and ligand K edges: what we know, what we want to know, and what we can know

Author(s): K.O. Kvashnina and S.M.Butorin
Published in: Chemical Communication, Issue 58, 2022, Page(s) 327-342, ISSN 1359-7345
Publisher: Royal Society of Chemistry
DOI: 10.1039/d1cc04851a

HERFD-XANES and RIXS Study on the Electronic Structure of Trivalent Lanthanides across a Series of Isostructural Compounds

Author(s): P. Zasimov, L. Amidani, M. Retegan, O. Walter, R. Caciuffo, K.O. Kvashnina
Published in: Inorganic Chemistry, Issue 61, 2022, Page(s) 1817-1830, ISSN 0020-1669
Publisher: American Chemical Society
DOI: 10.1021/acs.inorgchem.1c01525

Nanoscale mechanism of UO2 formation through uranium reduction by magnetite

Author(s): Zezhen Pan, Barbora Bártová, Thomas LaGrange, Sergei M. Butorin, Neil C. Hyatt, Martin C. Stennett, Kristina O. Kvashnina, Rizlan Bernier-Latmani
Published in: Nature Communications, Issue 11/1, 2020, Page(s) 4001, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.1038/s41467-020-17795-0

Insights into the Electronic Structure of a U(IV) Amido and U(V) Imido Complex

Author(s): L. Köhler, M. Patzschke, S. Bauters, T. Vitova, S. M. Butorin, K. Kvashnina, M. Schmidt, J. März, T. Stumpf,
Published in: Chemistry - A European Journal, 2022, ISSN 0947-6539
Publisher: John Wiley & Sons Ltd.
DOI: 10.1002/chem.202200119

High Surface Area “3D Graphene Oxide” for Enhanced Sorption of Radionuclides

Author(s): Nicolas Boulanger, Anastasiia S. Kuzenkova, Artem Iakunkov, Andreas Nordenström, Anna Yu. Romanchuk, Alexander L. Trigub, Pavel V. Zasimov, Mariana Prodana, Marius Enachescu, Stephen Bauters, Lucia Amidani, Kristina O. Kvashnina, Stepan N. Kalmykov, Alexandr V. Talyzin
Published in: Advanced Materials Interfaces, 2022, ISSN 2196-7350
Publisher: Wiley-VCH GmbH, Weinheim
DOI: 10.1002/admi.202200510

Oxygen K-Edge X-ray Absorption Spectra of ThO2 and CeO2: Experiment, Interpretation, and Structural Effects

Author(s): Lucia Amidani, Thomas Dumas, David K. Shuh, Sergei M. Butorin, Christoph J. Sahle, Alessandro Longo, and Kristina O. Kvashnina
Published in: J. Phys. Chem. C, Issue 127, 2023, Page(s) 3077-3084, ISSN 1932-7447
Publisher: American Chemical Society
DOI: 10.1021/acs.jpcc.2c07771

Synthesis, Characterization, and Crystal Structure of Dominant Uranium(V) Brannerites in the UTi2–xAlxO6 System

Author(s): Malin C. Dixon Wilkins, Lucy M. Mottram, Ewan R. Maddrell, Martin C. Stennett, Claire L. Corkhill, Kristina O. Kvashnina, and Neil C. Hyatt
Published in: Inorganic Chemistry, Issue 60, 2021, Page(s) 18112-18121, ISSN 0020-1669
Publisher: American Chemical Society
DOI: 10.1021/acs.inorgchem.1c02733

Trends in the valence band electronic structures of mixed uranium oxides

Author(s): Kristina O. Kvashnina, Piotr M. Kowalski, Sergei M. Butorin, Gregory Leinders, Janne Pakarinen, René Bès, Haijian Li, Marc Verwerft
Published in: Chemical Communications, Issue 54/70, 2018, Page(s) 9757-9760, ISSN 1359-7345
Publisher: Royal Society of Chemistry
DOI: 10.1039/c8cc05464a

Size effects in nanocrystalline thoria

Author(s): Tatiana V. Plakhova, Anna Yu Romanchuk, Daria V Likhosherstova, Alexander E. Baranchikov, Pavel V. Dorovatovskii, Roman Svetogorov, Tatyana B. Shatalova, Tolganay B. Egorova, Alexander L. Trigub, Kristina Kvashnina, Vladimir K. Ivanov, Stepan N. Kalmykov
Published in: The Journal of Physical Chemistry C, 2019, ISSN 1932-7447
Publisher: American Chemical Society
DOI: 10.1021/acs.jpcc.9b04379

Understanding the size effects on the electronic structure of ThO 2 nanoparticles

Author(s): Lucia Amidani, Tatiana V. Plakhova, Anna Yu. Romanchuk, Evgeny Gerber, Stephan Weiss, Anna Efimenko, Christoph J. Sahle, Sergei M. Butorin, Stepan N. Kalmykov, Kristina O. Kvashnina
Published in: Physical Chemistry Chemical Physics, Issue 21/20, 2019, Page(s) 10635-10643, ISSN 1463-9076
Publisher: Royal Society of Chemistry
DOI: 10.1039/c9cp01283d

Uncovering the Origin of the Emitting States in Bi 3+ -Activated CaMO 3 (M = Zr, Sn, Ti) Perovskites: Metal-To-Metal Charge Transfer Versus s–p Transitions

Author(s): Michele Back, Jumpei Ueda, Jian Xu, Kazuki Asami, Lucia Amidani, Enrico Trave, Setsuhisa Tanabe
Published in: The Journal of Physical Chemistry C, Issue 123/23, 2019, Page(s) 14677-14688, ISSN 1932-7447
Publisher: American Chemical Society
DOI: 10.1021/acs.jpcc.9b03940

Effective coordination numbers from EXAFS: general approaches for lanthanide and actinidedioxides

Author(s): Anna Romanchuk, Alexander Trigub, Tatiana Plakhova, Anastasiia Kuzenkova, Roman Svetogorov, Kristina Kvashnina and Stepan Kalmykov
Published in: Journal of Synchrotron Radiation, Issue 29, 2022, ISSN 0909-0495
Publisher: Blackwell Publishing Inc.
DOI: 10.1107/s160057752101300x

The missing pieces of the PuO 2 nanoparticle puzzle

Author(s): Evgeny Gerber, Anna Yu. Romanchuk, Ivan Pidchenko, Lucia Amidani, Andre Rossberg, Christoph Hennig, Gavin B. M. Vaughan, Alexander Trigub, Tolganay Egorova, Stephen Bauters, Tatiana Plakhova, Myrtille O. J. Y. Hunault, Stephan Weiss, Sergei M. Butorin, Andreas C. Scheinost, Stepan N. Kalmykov, Kristina O. Kvashnina
Published in: Nanoscale, 2020, ISSN 2040-3364
Publisher: Royal Society of Chemistry
DOI: 10.1039/d0nr03767b

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

Author(s): Ivan Pidchenko, Stephen Bauters, Irina Sinenko, Simone Hempel, Lucia Amidani, Dirk Detollenaere, Laszlo Vinze, Dipanjan Banerjee, Roelof van Silfhout, Stepan N. Kalmykov, Jörg Göttlicher, Robert J. Baker, Kristina O. Kvashnina
Published in: RSC Advances, Issue 10/43, 2020, Page(s) 25529-25539, ISSN 2046-2069
Publisher: Royal Society of Chemistry
DOI: 10.1039/d0ra03375h

CeO2-Azacrown Conjugate as a Nanoplatform for Combined Radiopharmaceuticals

Author(s): Sofia Khabirova; Gleb Aleshin; Tatiana Plakhova; Anastasia Zubenko; Anna Shchukina; Olga Fedorova; Aleksey Averin; Ekaterina Belova; Elena Bazarkina; Kristina Kvashnina; Stepan Kalmykov
Published in: Nanomaterials 12(2022), 4484, Issue 1, 2022, ISSN 2079-4991
Publisher: MDPI
DOI: 10.3390/nano12244484

Signatures of technetium oxidation states: a new approach

Author(s): Stephen Bauters; Andreas C. Scheinost; Katja Schmeide; Stephan Weiss; Kathy Dardenne; Jörg Rothe; Natalia Mayordomo; Robin Steudtner; Thorsten Stumpf; Ulrich Abram; Sergei M. Butorin; Kristina O. Kvashnina
Published in: Chemical Communications, Issue 56/67, 2020, Page(s) 9608-9611, ISSN 1359-7345
Publisher: Royal Society of Chemistry
DOI: 10.5445/ir/1000122891

Probing the Local Coordination of Hexavalent Uranium and the Splitting of 5f Orbitals Induced by Chemical Bonding

Author(s): L. Amidani, M. Retegan, A. Volkova, K. Popa, P. Martin, K. O. Kvashnina
Published in: Inorganic Chemistry, Issue 60, 2021, Page(s) 16286-16293, ISSN 0020-1669
Publisher: American Chemical Society
DOI: 10.1021/acs.inorgchem.1c02107

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

Author(s): Lucia Amidani, Gavin B. M. Vaughan, Tatiana V. Plakhova, Anna Yu. Romanchuk, Evgeny Gerber, Roman Svetogorov, Stephan Weiss, Yves Joly, Stephan N. Kalmykov, Kristina O. Kvashnina
Published in: Chemistry – A European Journal, 2020, ISSN 0947-6539
Publisher: John Wiley & Sons Ltd.
DOI: 10.1002/chem.202003360

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

Author(s): Piotr. M. Kowalski, Steve Lange, Guido Deissmann, Mengli Sun, Kristina O. Kvashnina, Robert Baker, Philip Kegler, Gabriel Murphy, Dirk Bosbach
Published in: MRS Advances, Issue 5/5-6, 2020, Page(s) 213-222, ISSN 2059-8521
Publisher: Cambridge Univeristy Press
DOI: 10.1557/adv.2020.38

Theoretical Modelling of High-Resolution X-Ray Absorption Spectra at Uranium M 4 Edge

Author(s): Jindřich Kolorenč, Kristina O. Kvashnina
Published in: MRS Advances, Issue 3/53, 2018, Page(s) 3143-3148, ISSN 2059-8521
Publisher: Cambridge Univeristy Press
DOI: 10.1557/adv.2018.470

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