Ing. Alexandr Dejneka, Ph.D.

Alexandr Dejneka
Head of the Division of Optics, Head of the Department of Optical and Biophysical Systems
Category
Senior Scientist
Division (no.)
Department (no.)
Telephone
+420 266 05 2141
E-mail
dejneka [at] fzu.cz
Locality
Slovanka
Room
O 316
  1. M. Lunova, V. Zablotskyy, A. Prokhorov, M. Jirsa, M. Hof, A. Olzyńska, P. Jurkiewicz, Š. Kubinová, O. Lunov, A. Dejneka
    Amino-functionalized nanoparticles as a platform for mTOR activity modulation in hepatocellular carcinoma Huh7 cell line
    Journal of Hepatology 66 (2017) S645-S646.
  2. V. Zablotskyy, O. Lunov, T. Polyakova, A. Dejneka
    Biology and Magnetism: Mutual Attraction
    (2017) -.
  3. N. Kovaleva, D. Chvostová, A. Dejneka
    Localization Phenomena in Disordered Tantalum Films
    Metals 7 (7) (2017) 257(1)-257(12).
  4. A. Dejneka, M. Tjunina
    Elasto-optic behaviour in epitaxial films of perovskite oxide ferroelectrics
    Advances in Applied Ceramics 117 (2017) 62-65.
  5. T. Polyakova, V. Zablotskyy, A. Dejneka
    Cell Membrane Pore Formation and Change in Ion Channel Activity in High-Gradient Magnetic Fields
    IEEE Magnetics Letters 8 (2017) 1507806(1)-1507806(5).
  6. D.V.Azamat, V.V.Belykh, D.R.Yakovlev, F.Fobbe, D.H.Feng, E.Evers, L. Jastrabík, A. Dejneka, M.Bayer
    Electron spin dynamics of Ce3+ ions in YAG crystals studied by pulse-EPR and pump-probe Faraday rotation
    Physical Review B 96 (2017) 075160(1)-075160(10).
  7. E. Chernova, C. Brooks, D. Chvostová, Z. Bryknar, A. Dejneka, M. Tjunina
    Optical NIR-VIS-VUV constants of advanced substrates for thin-film devices
    Optical Materials Express 7/11 (2017) 3844-3862.
  8. N. N. Kovaleva, D. Chvostová, O. Pacherová, L. Fekete, K. I. Kugel, F. A. Pudonin, A. Dejneka
    Localization effects in the disordered Ta interlayer of multilayer Ta–FeNi films: Evidence from dc transport and spectroscopic ellipsometry study
    Applied Physics Letters 11, Iss.18 (2017) 183104(1)-183104(5).
  9. V. Lavrentev, D. Chvostová, I. Lavrentieva, J. Vacik, Ye. Daskal, M. Barchuk, D. Rafaja, A. Dejneka
    Optical transitions and electronic interactions in self-assembled cobalt-fullerene mixture films
    Journal of Physics D: Applied Physics 50 (2017) 485305(1) - 485305(8) .
  10. M. Lunova, A. Prokhorov, M. Jirsa, M. Hof, A. Olżyńska, P. Jurkiewicz, Š. Kubinová, O. Lunov, A. Dejneka
    Nanoparticle core stability and surface functionalization drive the mTOR signaling pathway in hepatocellular cell lines
    Scientific Reports 7 (2017) 16049(1) -16049(16) .
  11. M. Uzhytchak, A. Lynnyk, V. Zablotskyy, N. M. Dempsey, A. L. Dias, M. Bonfim, M. Lunova, M. Jirsa, Š. Kubinová1, O. Lunov, A. Dejneka
    The use of pulsed magnetic fields to increase the uptake of iron oxide nanoparticles by living cells
    Applied Physics Letters 111 (2017) 243703(1)-243703(5).
  12. D.V.Azamat, A.G.Badalyan, D.H.Feng, J. Lančok, L. Jastrabík, A. Dejneka, P.G.Baranov, D.R.Yakovlev, M.Bayer
    ENDOR investigations of the Ce3+ ions in YAG: Transferred hyperfine interaction with nearest aluminum ions.
    Journal of Applied Physics 122 (2017) 243903(1)-243903(3).
  13. P. A. Markovin, V. Trepakov, A. K. Tagantsev, A. Dejneka, D. A. Andreev
    Contribution of Spontaneous Polarization and Its Fluctuations to Refraction of Light in Ferroelectrics
    Physics of the Solid State 58 (2016) 134-139.
  14. O. Lunov, V. Zablotskyy, O. Churpita, A. Jäger, L. Polívka, E. Syková, A. Dejneka, Š. Kubinová
    The interplay between biological and physical scenarios of bacterial death induced by non-thermal plasma
    Biomaterials 82 (2016) 71-83.
  15. M. Makarova, A. Artemenko, J. Kopeček, F. Laufek, P. Zemenová, V. Trepakov, A. Dejneka
    Thermal stability of perovskite phase in heavily Mn-doped SrTiO3 nanoparticles in oxidizing and reducing atmospheres
    Scripta Materialia 116 (2016) 21-25.
  16. O. Lunov, V. Zablotskyy, O. Churpita, A. Jäger, L. Polívka, E. Syková, N. Terebova, A. Kulikov, Š. Kubinová, A. Dejneka
    Towards the understanding of non-thermal air plasma action: effects on bacteria and fibroblasts
    RSC Advances 6 (2016) 25286-25292.
  17. V. Lavrentev, A. Stupakov, M. Barchuk, I. Lavrentieva, J. Vacik, P. Capkova, A. Dejneka
    Phase evolution in mixture of cobalt and fullerene deposited from vapor
    Carbon 103 (2016) 425-435.
  18. E. Chernova1, O. Pacherová, T. Kocourek, M. Jelínek, A. Dejneka, M. Tjunina
    Optical Properties of Ferroelectric Epitaxial K0,5Na0,5NbO3 Films in Visible to Ultraviolet Range.
    PLoS One 11(4) (2016) e0153261(1)-e0153261(9).
  19. M. Lunova, V. Zablotskyy, N. Dempsey, T. Devillers, M. Jirsa, E. Syková, Š. Kubinová, O. Lunov, A. Dejneka
    Modulation of collective cell behaviour by geometrical constraints
    Integrative Biology 8 (2016) 1099-1110.
  20. V. Zablotskyy, O. Lunov, Š. Kubinová, T. Polyakova, E. Sykova, A. Dejneka
    Effects of high-gradient magnetic fields on living cell machinery
    Journal of Physics D: Applied Physics 49 (2016) 493003(1)-493003(23).
  21. P. Markovin, V. Trepakov, M. Guzhva, A. Razdobarin, A. Tagantsev, D. Andreev, A. Dejneka
    Short- and long-range polar order contributions to the Ferroelectric phase of Ca2+ doped SrTiO3
    Materials Research Express 3 (2016) 115705(1)-115705(12).
  22. V. Zablotskyy, T. Polyakova, O. Lunov, A. Dejneka
    How a High-Gradient Magnetic Field Could Affect Cell Life
    Scientific Reports 6 (2016) 37407(1)-37407(12).
  23. V. Zablotskyy, O. Lunov, N. Terebova, A. Kulikov, Š. Kubinová, E. Sykova, A. Dejneka
    Living Cells Response to Laser Light and Low- Temperature Plasma
    Laser Optics (LO), 2016 International Conference 27 June-1 July 2016. Invited talk.
  24. A. Stupakov, A. V. Bagdinov, V. V. Prokhorov, A. N. Bagdinova, E. I. Demikhov, A. Dejneka, K. I. Kugel, A. A. Gorbatsevich, F. A. Pudonin, N. N. Kovaleva
    Out-of-Plane and In-Plane Magnetization Behavior of Dipolar Interacting FeNi Nanoislands around the Percolation Threshold
    Journal of Nanomaterials 2016 (2016) 3190260(1)-3190260(9).
  25. D.V.Azamat, A.G.Badalyan, A. Dejneka, L. Jastrabík, J. Lančok
    Zero-field studies of spin–lattice relaxation processes in non-Kramers doublet of LiF:Ni2+
    Applied Physics A-Materials Science & Processing 122 (2016) 1026(1)-1026(5).
  26. M. Lunova, V. Zablotskyy, N. Dempsey, D. Givord, T. Devillers, M. Jirsa, E. Syková, Š. Kubinová, O. Lunov, A. Dejneka
    Control of Hepatic Cells Growth by Topologically Modulated Substrates
    Journal of Hepatology 64 (2016) S348-S349.
  27. V. Trepakov, O. E. Kvyatkovskii, M. Savinov, A. Dejneka, X. Wang, S. W. Cheong
    Features of the low-frequency polarization response in the region of the ferroelectric phase transition in multiferroic TbMnO3
    Physics of the Solid State 58 (2016) 2021-2026.
  28. A. Anspoks, J. Timoshenko, J. Purans, F. Rocca, V. Trepakov, A. Dejneka, M. Itoh
    Local dynamics and phase transition in quantum paraelectric SrTiO3 studied by Ti K-edge x-ray absorption spectroscopy
    Journal of Physics: Conference Series 712 (2016) 012101(1)-012101(4).
  29. N. Kovaleva, K. I. Kugel, Z. Potůček, O. E. Kusmartseva, N. S. Goryachev, Z. Bryknar, E. I. Demikhov, V. Trepakov, A. Dejneka, F. V. Kusmartsev, A. M. Stoneham
    Optical Evidence of Quantum Rotor Orbital Excitations in Orthorhombic Manganites1
    Journal of Experimental and Theoretical Physics 122, No5 (2016) 890-901.
  30. A.P.Skvortsov, Z. Potůček, N.K.Poletaev, P.P.Syrnikov, Z.Bryknar, A. Dejneka, L. Jastrabík, V. Trepakov
    Li-Impurity Effect in Optical Spectra of KTaO3:Er3+ Crystals
    Optics and Spectroscopy 121 (2016) 534-537.
  31. O. Lunov, O. Churpita, V. Zablotskyy, I. G. Deyneka, I. K. Meshkovskii, A. Jäger, E. Syková, Š. Kubinová, A. Dejneka
    Non-thermal plasma mills bacteria: Scanning electron microscopy observations
    Applied Physics Letters 106 (2015) 053703(1)-053703(5).
  32. D. Tukmachev, O. Lunov, V. Zablotskyy, A. Dejneka, M. Babic, E. Syková Š. Kubinová
    An effective strategy of magnetic stem cell delivery for spinal cord injury therapy
    Nanoscale 7 (2015) 3954-3958.
  33. M. Jelínek, J. Remsa, T. Kocourek, M. Tjunina, A. Dejneka, J. Mikšovský, P. Písařík
    Hybrid laser systems for thin layers
    Jemná mechanika a optika 3/2015 (2015) 91-95.
  34. M. Tjunina, L. D. Yao, D. Chvostová, T. Kocourek, M. Jelínek, A. Dejneka, S. van Dijken
    Effect of epitaxy on interband transitions in ferroelectric KNbO3
    New Journal of Physics 17 (2015) 043048(1)-043048(8).
  35. M. Tjunina, L. Yao, D. Chvostová, A. Dejneka, T. Kocourek, M. Jelínek, V. Trepakov, S. van Dijken
    Concurrent bandgap narrowing and polarization enhancement in epitaxial ferroelectric nanofilms
    Science and Technology of Advanced Materials 16 (2015) 026002(1)-026002(9).
  36. S. V. Jayanti, J. H. Park, A. Dejneka, D. Chvostová, K. M. McPeak, X. Chen, S. H. Oh, D. J. Norris
    Low-temperature enhancement of plasmonic performance in silver films
    Optical Materials Express 5 (2015) 1147-1155.
  37. A. Prokhorov, A. D. Prokhorov, L. F. Chernush, V. P. Dyakonov, H Szymczak, A. Dejneka
    EPR study of the ground state of Mn2+ impurity ions in alumoborates MAl3(BO3)4 (M=Y, Eu, Tm)
    Physica Scripta 90 (2015) 065804(1)-065804(6).
  38. E. Chernova, O. Pacherová, D. Chvostová, A. Dejneka, T. Kocourek, M. Jelínek, M. Tjunina
    Strain-controlled optical absorption in epitaxial ferroelectric BaTiO3 films
    Applied Physics Letters 106 (2015) 192903(1)-192903(4).
  39. V. Lavrentev, A. Stupakov, I. Lavrentieva, J. Vacik, A. Dejneka, M. Barchuk, P. Čapková
    Contrasting magnetism in dilute and supersaturated cobalt–fullerene mixture films
    Journal of Physics D: Applied Physics 48 (2015) 335002(1)-335002(10).
  40. M. Tjunina, D. Chvostová, L. D. Yao, A. Dejneka, T. Kocourek, M. Jelínek, S. van Dijken
    Interband transitions in epitaxial ferroelectric films of NaNbO3
    Physical Review B 92 (2015) 104101(1)-104101(6).
  41. V. Yu. Ivanov, M. Godlewski, A. Dejneka
    Photoionization of cobalt impurities in zinc oxide
    physica status solidi (b) 252 (2015) 1988-1992.
  42. N. N. Kovaleva, D. Chvostová, A. V. Bagdinov, M. G. Petrova, E. I. Demikhov, F. A. Pudonin, A. Dejneka
    Interplay of electron correlations and localization in disordered $\beta$-tantalum films: Evidence from dc transport and spectroscopic ellipsometry study
    Applied Physics Letters 106 (2015) 051907(1)-051907(5).
  43. V. Trepakov, A. Dejneka, L. Jastrabík, A. Lynnyk, D. Chvostová, P.Syrnikov, P.Markovin
    The negative thermo-optic effect in KTa03 : an ellipsometry study
    Phase Transitions 88 (2015) 991-1000.
  44. A.G.Badalyan, D.V.Azamat, V. Trepakov, M.V.Makarova, J. Rosa, A. Dejneka, L. Jastrabík
    Observation of Nano Sized Effect on EPR of Mn4+ and Cr3+ in SrTiO3 Powders
    Ferroelectrics 485 (2015) 63-67.
  45. T. Kocourek, S. Inkinen, O. Pacherová, E. Chernova, Z. Potůček, L. D. Yao, M. Jelínek, A. Dejneka, S. van Dijken, M. Tjunina
    Effects of doping and epitaxy on optical behavior of NaNbO3 films
    Applied Physics Letters 107 (2015) 172906-1-172906-4.
  46. A. Anspoks, J. Timoshenko, D. Bocharov, J. Purans, F. Rocca, A. Sarakovskis, V. Trepakov, A. Dejneka, M. Itoh
    Local Structure Studies of Ti for (SrTiO3)-O-16 and (SrTiO3)-O-18 by Advanced X-ray Absorption Spectroscopy Data Analysis
    Fizika Nizkikh Temperatur 485 (2015) 42-52.
  47. E.G. Bortchagovsky, A. Dejneka, L. Jastrabík, V.Z. Lozovski, T.O. Mishakova
    Deficiency of Standard Effective-Medium Approximation for Ellipsometry of Layers of Nanoparticles
    Journal of Nanomaterials 2015 (2015) ID 602848 (1)-ID 602848 (8).
  48. A.Kleiner, G.Suchaneck, A. Dejneka, L. Jastrabík, V. Lavrentev, D.A.Kiselev, G.Gerlach
    Multitarget Sputtering of Piezoelectric Mixed Oxide Thin Films onto Flexible Substrates
    Solid State Phenomena 230 (2015) 3-7.
  49. O. Lunov, V. Zablotskyy, O. Churpita, E. Chánová, E. Syková, A. Dejneka, Š. Kubinová
    Cell death induced by ozone and various non-thermal plasmas: therapeutic perspectives and limitations
    Scientific Reports 4 (2014) 7129(1)-7140(11).
  50. A. Anspoks, D. Bocharov, J. Purans, F. Rocca, A. Sarakovskis, V. Trepakov, A. Dejneka, M. Itoh.
    Local structure studies of (SrTiO3)-O-16 and (SrTi3)-O-18.
    Physica Scripta 89 (2014) 1-5.