I. IEEE International Symposium on Applications of Ferroelectrics ISAF (Sidney, Australia, 16-21 May 2021).

1. E. Makagon, M. Hoedl, R. Merkle, E.A. Kotomin, J. Maier, I. Lubomirsky. "Non-classical electrostrictive phenomena in hydrated acceptor doped BaZrO3: Proton trapping and dopant size effect". Abstract 3003. OR.

II. E-MRS 2021 Spring Meeting (Virtual Conference, 31 May - 4 June 2021).

2. D. Gryaznov, R. Merkle, M.F. Hoedl, E.A. Kotomin, J. Maier. "First-principles calculations of protonic defects in (Ba,Sr,La)(Fe,Co)O3-delta perovskite oxides". G.We1.3. OR.

3. R. Merkle, M.F. Hoedl, G. Raimondi, E.A. Kotomin, J. Maier. "Mixed conducting PCFC cathode materials with protons, oxygen vacancies and holes: Detailed defect-chemical understanding". G.We2.1. INV.R.

4. E.A. Kotomin, R.A. Evarestov, J. Maier. "First-principles calculations of defects in CsPbX3 (X = Br, I) crystals". J.I.1. INV.R.

5. A. Chesnokov, D. Gryaznov, E.A. Kotomin, J. Purans. "Thermoelectric properties of Ir-doped ZnO from hybrid DFT calculations". J.IV.2. OR.

6. A. Dauletbekova, A. Akylbekova, Z. Baimukhanov, Sh. Giniyatova, A. Kozlovskyi, F. Komarov, L. Vlasukova, A.I. Popov, A.T. Akilbekov. "Formation of oxide semiconductor nanocrystals based on ZnSe". J.IV.6. OR.

7. A. Platonenko, D. Gryaznov, A.I. Popov, E.A. Kotomin. "Ab initio study of the vibrational properties of F-type centers in oxide and halide crystals: case study of α-Al2O3 and KBr". J.IV.7. OR.

8. E. Makagon, M.F. Hoedl, R. Merkle, E.A. Kotomin, J. Maier, I. Lubomirsky. "Non-classical electrostrictive phenomena in hydrated acceptor doped BaZrO3: Proton trapping and dopant size effect". J.IX.3. OR.

9. R.I. Eglitis, J. Purans, A.I. Popov, R. Jia. "Systematic trends in ABO3 perovskite as well as CaF2, BaF2 and SrF2 bulk and surface F-center calculations". J.IX.6. OR.

10. D. Gryaznov, E.A. Kotomin, A. Platonenko, A. Popov. "First principles calculations of defect formation energies and oxide crystals". J.IX.9. INV.R.

11. Yu.A. Mastrikov, N.G. Chuklina, A.I. Popov, E.A. Kotomin, D.V. Gryaznov. "Small polarons in PbX2 (X= F, Cl, Br): computational study". J.XI.5. OR.

12. A. Platonenko, D. Gryaznov, A. Lushchik, A. I. Popov, E. K. Kotomin. "A comprehensive hybrid DFT study on oxygen interstitial behavior in α-Al2O3". L.3.2. OR.

13. R.I. Eglitis, J. Purans, A.I. Popov. "Ab initio calculations of ABO3 perovskite as well as ReO3 and WO3 (001) surfaces and F-centers therein". L.3.5. OR.

14. Yu.A. Mastrikov, D.S. Pavlov, M.V. Ananyev, M.N. Sokolov. "Antiphase boundary in LaScO3: computational study". G.Mo.Poster.8. PR.

15. A. Ivanova, A. Chesnokov, D. Bocharov, K.S. Exner. "Understanding selectivity for the competing oxygen evolution and peroxide formation reactions on graphene model electrodes". G.Mo.Poster.11. PR.

15. G. Zvejnieks, D. Zavickis, E. A. Kotomin, D. Gryaznov. "Monoclinic ground state of BaCoO3: first principles studies". G.Mo.Poster.12. PR.

16. T.S. Björheim, M.F. Hoedl, R. Merkle, E.A. Kotomin, J. Maier. "Proton, hydroxide ion, and oxide ion affinities of closed-shell oxides and its relation to electronic structure". G.We.Poster.4. PR.

17. R. Eglitis. "Ab initio calculations of Li2(Co,Mn)O8 solid solutions for rechargeable batteries". G.We.Poster.13. PR.

18. L.L. Rusevich, G. Zvejnieks, E.А. Kotomin, M. Maček Kržmanc. "Defect-induced variation of SrTiO3 band gap for photocatalytic applications: first-principles simulations". J.PI.13. PR.

19. L.L. Rusevich, G. Zvejnieks, E.A. Kotomin, A.I. Popov, T. Scherer. "First principles calculations of the atomic, electronic and vibrational properties of defective diamond". J.PI.15. PR.

20. K. Kumarbekov, A. Dauletbekova, Zh. Karipbayev, M. Zdorovets, I. Manika, J. Maniks, D. Sugak, S. Ubizskii, N. Mironova-Ulmane, A.I. Popov. "Optical and structural properties of Gd3Ga5O12 crystal irradiated with 150 MeV Kr ions". J.PI.21. PR.

21. L.A. Lisitsyna, A.I. Popov, Zh.T. Karipbayev, A.V. Strelkova. "Characterization of MgF2 ceramics doped with tungsten trioxide WO3". J.PI.24. PR.

22. V.M. Lisitsyn, A.T. Tulegenova, Zh.T. Karipbayev, A.I. Popov, A.V. Ermolaev, M.B. Aitzhanov, G.K. Alpyssova, Zh. Zhilgildinov. "Characterization of YAG: Ce ceramics obtained by high power 1.4 MeV electron beam assisted synthesis". J.PI.32. PR.

23. A. Antuzevics, M. Kemere, A.I. Popov. "Thermal annealing of neutron irradiation generated paramagnetic defects in transparent Al2O3 ceramics". J.PI.36. PR.

24. R.I. Eglitis, J. Purans, J. Gabrusenoks, A.I. Popov. "Ab initio calculations of ABO3 perovskite bulk and surface F-centers, BaTiO3/SrTiO3 (001) interfaces and ReO3 nano-surfaces". J.PII.1. PR.

25. V. Pankratov, A.P. Kozlova, A.I. Popov. "Optical and luminescence spectroscopy of neutron irradiated 3C-SiC". J.PII.6. PR.

26. A. Lushchik, V.N. Kuzovkov, A.I. Popov, G. Prieditis, V. Seeman, E. Shablonin, E. Vasil’chenko, E.A. Kotomin. "Evidence for the radiation-induced formation of two types of oxygen interstitials in sapphire single crystals". J.PII.8. PR.

27. N.V. Krainyukova, V.O. Hamalii, A.I. Popov, L.L. Rusevich, E.A. Kotomin. "In-plane contraction and structural transformations on the SrTiO3 (001) surface". J.PII.9. PR.

28. G. Zvejnieks, L.L. Rusevich, E.A. Kotomin, M. Maček Krzmanc. "Challenges of interpretation of Bi4Ti3O12 within orthorhombic space groups". J.PII.12. PR.

29. L.L. Rusevich, D. Gryaznov, E.А. Kotomin, V. Krasnenko. "Defect-induced properties of thin perovskite films: first-principles simulations". J.PII.16. PR.

30. D. Kenbayev, A. Dauletbekova, E. Polisadova, Sh. Giniyatova, A. Shalayev, A.I. Popov. "Optical properties of BaFBr crystals irradiated with fast krypton ions at 300 K". J.PII.21. PR.

31. Y.O. Suchikova, A.A. Konovalenko, I.S. Konovalenko, A.I. Popov. "Synthesis of periodic nanoporous structures on the surface of indium phosphide". J.PII.22. PR.

32. Y.O. Suchikova, A.A. Konovalenko, I.S. Konovalenko, A.I. Popov. "Nonlocal dielectric response of homogenized photonic crystal based on InP ladder structure". J.PII.24. PR.

33. N. Mironova–Ulmane, A.I. Popov, G. Krieke, A. Antuzevics, V. Skvortsova, E. Elsts, A.Sarakovskis. "Use of Cr3 ions in the study of the structure in the Mg-Al spinel". J.PII.27. PR.

34. A.I. Popov, V.N. Kuzovkov, A. Platonenko, E. Elsts, A.Moskina, E.A. Kotomin. "Comparative analysis of radiation defect annealing in scintillator materials for high-energy physics and medical applications". J.PII.31. PR.

35. H. Klym, I. Karbovnyk, L. Calvez, A.I. Popov. "Free-volume defects in modified Ge-Ga-S/Se glasses". J.PII.32. PR.

36. H. Klym, A.I. Popov. "Positron-positronium trapping defects in the MgAl2O4 spinel ceramics". J.PII.33. PR.

37. H. Klym, I. Karbovnyk, A. Luchechko, Yu. Kostiv, A.I. Popov. "Defect-related free volumes in BaGa2O4 ceramics doped with Eu3+ ions". J.PII.34. PR.

38. H. Klym, Yu. Kostiv, I. Karbovnyk, A.I. Popov. "Free-volume defects in the Cu0.1Ni0.8Co0.2Mn1.9O4 ceramics". J.PII.35. PR.

39. A. Usseinov, Zh. Koishybayeva, A. Platonenko, A. Akilbekov, S. Piskunov, V. Pankratov, Y. Suchikova, A.I. Popov. "Comparative DFT-LCAO study of oxygen and gallium vacancies in Ga2O3 crystal". L.3.18. PR.

III. Solid State Proton Conductors (SSPC-20) Online Conference (27.9. - 1.10.2021).

40. M.F. Hoedl, R. Merkle, E. Kotomin, J. Maier. "Proton uptake and defect interactions in mixed conducting BaxSr1-xFeO3-δ". Abstract 9-O, Book of Abstracts, p.13. OR.

41. E. Makagon, M. Hoedl, R. Merkle, E. Kotomin, J. Maier, I. Lubomirsky. "Non-classical electrostrictive phenomena in hydrated acceptor doped BaZrO3: proton trapping and dopant size effect". Abstract 60-O, Book of Abstracts, p.123. OR.

IV. International Conference on Fusion Reactor Materials ICFRM-20 (Online Conference, 24-29 October 2021).

42. E.A. Kotomin, V.N. Kuzovkov, A.I. Popov, D. Gryaznov, A. Platonenko, R. Vila. "Modelling of radiation-induced processes in advanced oxide solids". No.392. OR.

43. A.I. Popov. "Radiation defects and processes in ionic oxides – where we are standing now and what we understand better?" No.447. PR.

44. A.I. Popov. "Dose dependence and thermal annealing of paramagnetic defects in neutron irradiated Al2O3". No.448. PR.

V. 2nd International Workshop on Advanced Magnetic Oxides IWAMO-2021 (Online, 24-26 November 2021).

45. E.A. Kotomin, A.I. Popov, V.N. Kuzovkov, A. Platonenko. "First principles calculations of the electronic and magnetic properties for defects in oxide crystals". INV.R.

VI. 11th International Conference on Luminescent Detectors and Transformers of Ionizing Radiation LUMDETR-2021 (Bydgoszcz, Poland, 12-17 September 2021).

46. A. Lushchik, V. Seeman, E. Shablonin, E. Vasil'chenko, E.A. Kotomin, V.N. Kuzovkov, A.I. Popov. "Detection of uncatchable oxygen interstitials in neutron-irradiated corundum crystals". Abstract WeS8-K17, p.62. INV.R.

VII. IEEE XIIth International Conference on Electronics and Information Technologies (ELIT) (19 - 21 May  2021, Lviv, Ukraine).

47. A. Popov. "Distinctive features of point defect thermal annealing in functional ceramics for nuclear applications". PLEN.R.

VIII. 1st CERN Baltic Conference (CBC 2021) (28 – 30 June 2021, Tartu, Estonia).

48. A. Popov. "Overview of Research on scintillator materials in Latvia: past, present, and future". INV.R.


49. A.I. Popov, E.A. Kotomin. "Striking lattice parameter-dependent features in the delocalization of self-trapped hole centers Vk in binary and complex halides". INV.R.

X. 9th International Conference "Nanotechnologies and Nanomaterials" NANO-2021 (25 - 27 August 2021, Kiev, Ukraine).

50. A. Popov. "Distinctive features of diffusion-controlled point defect recombination in irradiated functional ceramics for nuclear applications". PLEN.R.

XI. 11th International Conference on Luminescent Detectors and Transformers of Ionizing Radiation (LUMDETR) (12-17 September 2021, Bydgoszcz, Poland).

51. A. Popov. "Detailed analysis of self-trapped hole Vk center mobility in binary and complex halides as a function of lattice parameters". INV.R.


52. A.I. Popov, E.A. Kotomin, V.N. Kuzovkov, A. Lushchik. "Thermal Annealing of Point Defects in Irradiated Functional Ceramics for Nuclear Applications". INV.R.