Dmitry Aksenov

Current projects:

Density functional theory study of cathode materials for battery applications.

Study of alkali ion diffusion mechanisms in battery cathode materials (LiFePO4, Na2FePO4F, KVPO4F).

Study of point and surface defects in battery cathode materials.

Prediction of catalytic activity of transition metal oxides.

Development of computational framework SIMAN for high-throughput DFT calculations.

Development of materials database of CEE CREI.

Past projects:

Study of grain boundary segregation and precipitation in titanium using first-principles,

Study of radiation swelling mechanism in vanadium radiation-resistant alloy

Prediction of hydrogen solubility in titanium

Keywords: Computational materials science, transition metal oxides, metallic alloys, defects of atomic structure, interface segregation, diffusion, metal-ion battery cathode materials, density functional theory, development of computational techniques.

My group:

1. Anton Boev
2. Irina Varlamova
3. Flor Garza

If you are interested in computational materials science and would like to work with me please send your CV .

1. D.A. Aksyonov, S.S. Fedotov, S.S. Stevenson, A. Zhugayevych, Understanding migration barriers for monovalent ion insertion in transition metal oxide and phosphate based cathode materials: A DFT study. Computational Materials Science, 154, 449-458 (2018)
2. S.S. Fedotov, A.S. Samarin, V.A. Nikitina, D.A. Aksyonov, S.A. Sokolov, A. Zhugayevych, K.J. Stevenson, N.R. Khasanova, A.M. Abakumov, E.V. Antipov, Reversible facile Rb+ and K+ ions de/insertion in a KTiOPO 4-type RbVPO 4 F cathode material. J. Mater. Chem. A 6 14420 (2018).
3. I. V. Tereshchenko, D.А. Aksyonov, O. A. Drozhzhin, I. A. Presniakov, A. V. Sobolev, A. Zhugayevych, K. Stevenson, E. V. Antipov, A. M. Abakumov, The role of semi-labile oxygen atoms for intercalation chemistry of the metal-ion battery polyanion cathodes  J. Am. Chem. Soc., 140 (11), 3994–4003 (2018)
4. D.A. Aksyonov, A.G. Lipnitskii, Solubility and grain boundary segregation of iron in hcp titanium: A computational study. Comput. Mater. Sci. 137, 266–272 (2017).
5. A.O. Boev, D.A. Aksyonov, A.I. Kartamyshev, V.N. Maksimenko, I.V Nelasov,  A.G. Lipnitskii, Interaction of Ti and Cr atoms with point defects in bcc vanadium: A DFT study. J. Nucl. Mater. 492, 14–21 (2017).
6. D.A. Aksyonov,  T. Hickel, J. Neugebauer, A.G. Lipnitskii,  The impact of carbon and oxygen in alpha-titanium: ab initio study of solution enthalpies and grain boundary segregation. J. Phys. Condens. Matter 28, 385001 (2016).
7. D.O. Poletaev, D.A. Aksyonov, D.D. Vo, A.G. Lipnitskii, Hydrogen solubility in hcp titanium with the account of vacancy complexes and hydrides: A DFT study. Comput. Mater. Sci. 114, 199–208 (2016).
8. D.O. Poletaev, A.G. Lipnitskii, A.I. Kartamyshev,  D.A. Aksyonov, E.S. Tkachev, S.S. Manokhin, Y.R., Kolobov, Ab initio-based prediction and TEM study of silicide precipitation in titanium. Comput. Mater. Sci. 95, 456–463 (2014).
9. D.A. Aksyonov, A.G. Lipnitskii, Y.R., Kolobov,  Grain boundary segregation of C, N and O in hexagonal close-packed titanium from first principles. Model. Simul. Mater. Sci. Eng. 21, 75009 (2013).
10. D.A. Aksyonov, A.G. Lipnitskii, Y.R., Kolobov, Ab initio study of Ti–C precipitates in hcp titanium: Formation energies, elastic moduli and theoretical diffraction patterns. Comput. Mater. Sci. 65, 434–441 (2012).
11. D.A. Aksyonov, A.G. Lipnitskii, Y.R., Kolobov, Ab initio calculation of characteristics of a hcp Ti-C system in α-titanium. Russ. Phys. J. 52, 1047–1051 (2009).

Belgorod State University, Belgorod, RU, Physics and Engineering, Specialist, 2011

Belgorod State University, Belgorod, RU, Condensed Matter Physics, Candidate of Science, 2014