Ivan I. Yakovkin

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"Simulation of low energy electron diffraction patterns in kinematical approximation"

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Yakovkin I.I.

XII International conference 'Electronics and applied physics', Kyiv (Ukraine), October 19 – 22, 2016

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"DFT and Monte Carlo study of the W(001) surface reconstruction"

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Yakovkin I.N., Yakovkin I.I., Petrova N.V.

European Physical Journal B, 90 (125), 2017

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"Електроіндукована орієнтаційна нестійкість у планарній нематичній флексоелектричній комірці з рухомою легкою віссю"

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Yakovkin I.I., Ledney M.F., Lesiuk A.I.

Наукова конференція молодих вчених 'Наука ХХІ сторіччя: сучасні проблеми фізики', Kyiv (Ukraine), May 7 – 10, 2019

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"Line profiles and magnetic fields in the limb solar flare of July 1, 1981. Preliminary results"

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Lozitsky V.G., Yakovkin I.I., Lozitska N.I.

Journal of Physical Studies, 24 (2), 2020

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"Geophysical effects of powerful solar flares and modern ideas about their physical nature"

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Yakovkin I.I., Lozitska N.I., Lozitsky V.G.

Всеукраїнська молодіжна наукова конференція-школа 'Сучасні проблеми наук про Землю', Kyiv (Ukraine), April 14 – 16, 2020

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"Simultaneous observations of K Ca II, Hδ and He I 4471.5 Å lines in a limb solar flare"

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Yakovkin I.I., Lozitsky V.G., Lozitska N.I.

International Conference 'Astronomy and Space Physics in the Kyiv University', Kyiv (Ukraine), May 27 – 29, 2020

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"A program on processing the solar spectra scans"

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Yakovkin I.I.

International Conference 'Astronomy and Space Physics in the Kyiv University', Kyiv (Ukraine), May 27 – 29, 2020

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"On the possible existence of superstrong magnetic fields in a limb solar flare"

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Yakovkin I.I., Lozitsky V.G.

Odessa Astronomical Publications, 33, 2020

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"Magnetic fields in limb solar flares on heights 2 – 14 Mm"

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Lozitsky V.G., Yakovkin I.I., Kravchenko E.O.

Bulletin of Taras Shevchenko National University of Kyiv. Astronomy, 61, 2020

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"Magnetic field measurements in a limb solar flare by hydrogen, helium and ionized calcium lines"

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Yakovkin I.I., Veronig A.M., Lozitsky V.G.

Advances in Space Research, 68 (3), 2021

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"Comparison of different methods of magnetic field measurements in the solar flares"

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Lozitsky V.G., Yakovkin I.I., Kravchenko E.O., Tarashchuk V.P.

International Conference 'Astronomy and Space Physics in the Kyiv University', Kyiv (Ukraine), May 25 – 28, 2021

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"Magnetic fields and turbulent velocities in a limb solar flare by hydrogen, helium and ionized calcium lines"

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Yakovkin I.I., Veronig A.M., Lozitsky V.G.

16th European Solar Physics Meeting, Rome (Italy), September 6 – 10, 2021

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"Comparison of different methods for magnetic field measurements in solar flares"

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Lozitsky V.G., Yakovkin I.I., Kravchenko E.O., Tarashchuk V.P.

Bulletin of Taras Shevchenko National University of Kyiv. Astronomy, 63, 2021

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"Вплив електричного поля на поверхневі плазмонні коливання в комірці нематичного рідкого кристалу"

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Yakovkin I.I., Ledney M.F.

Наукова конференція молодих вчених 'Наука ХХІ сторіччя: сучасні проблеми фізики', Kyiv (Ukraine), May 10 – 14, 2021

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"Signatures of superstrong magnetic fields in a limb solar flare from observations of the Hα line"

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Yakovkin I.I., Lozitsky V.G.

Advances in Space Research, 69 (12), 2022

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"Indications of superstrong magnetic fields in a limb solare flare and an active prominence from spectro-polarimetric observations in Hα and D3 lines"

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Yakovkin I.I., Lozitsky V.G.

XXII Gamow International Astronomical Conference-School, Odessa (Ukraine), August 22 – 26, 2022

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"Signatures of possible superstrong magnetic fields in a limb solar flare and an active prominence from polarization study of Hα and He I D3 spectral line profiles"

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Yakovkin I.I., Lozitsky V.G.

International Conference 'Astronomy and Space Physics', Kyiv (Ukraine), October 18 – 21, 2022

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"Magnetic fields in a limb solar flare at a height of 40 Mm according to spectral-polarization observations in the Hα line"

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Gromov M.A., Yakovkin I.I., Lozitsky V.G.

International Conference 'Astronomy and Space Physics', Kyiv (Ukraine), October 18 – 21, 2022

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"Magnetic field peculiarities in limb solar flare of 12 July 2012 at height of about 40 megameters"

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Gromov M.A., Yakovkin I.I., Lozitsky V.G.

Bulletin of Taras Shevchenko National University of Kyiv. Astronomy, 66, 2022

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"Director orientational instability in a planar flexoelectric nematic cell with easy axis gliding"

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Yakovkin I.I., Lesiuk A.I., Ledney M.F., Reshetnyak V.Yu.

Journal of Molecular Liquids, 363 (6), 2022

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"Surface plasmon oscillations control by nematic liquid crystal reorientation"

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Yakovkin I.I., Ledney M.F.

10th jubilee International Conference 'Nanotechnologies and Nanomaterials NANO-2022', Lviv (Ukraine), August 25 – 27, 2022

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"Orientational instability of the director in a planar flexoelectric nematic cell with easy axis gliding"

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Yakovkin I.I., Lesiuk A.I., Ledney M.F., Reshetnyak V.Yu.

International Symposium on Dielectric Materials and Applications ISyDMA'7, Poznań (Poland), December 6 – 8, 2022

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"Hysteresis of surface plasmon polariton effective index induced by liquid crystal reorientation"

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Yakovkin I.I., Ledney M.F.

International Symposium on Dielectric Materials and Applications ISyDMA'7, Poznań (Poland), December 6 – 8, 2022

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"Search for superstrong magnetic fields in active processes on the Sun using spectro-polarimetry within 15 angstroms around the D3 line"

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Yakovkin I.I., Lozitsky V.G.

International Conference 'Astronomy and Space Physics', Kyiv (Ukraine), May 23 – 26, 2023

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"Observations of high-speed downflows in the region of the seismic source in a large solar flare using spectro-polarimetry in the D3 line"

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Lozitska N.I., Yakovkin I.I., Lozitsky V.G.

International Conference 'Astronomy and Space Physics', Kyiv (Ukraine), May 23 – 26, 2023

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"Evidences of strong magnetic fields in the active prominence on July 24, 1999 observed at 07:00:10 UT"

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Gromov M.A., Yakovkin I.I., Lozitsky V.G.

International Conference 'Astronomy and Space Physics', Kyiv (Ukraine), May 23 – 26, 2023

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"Addressing non-local relations in differently digitized spectra using machine learning"

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Yakovkin I.I., Bartenev A.O., Petrova N.V.

International Conference 'Astronomy and Space Physics', Kyiv (Ukraine), May 23 – 26, 2023

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"Detecting and addressing spectral contamination through machine learning"

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Yakovkin I.I., Bartenev A.O., Petrova N.V.

International Conference 'Astronomy and Space Physics', Kyiv (Ukraine), May 23 – 26, 2023

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"Search for superstrong magnetic fields in active processes on the Sun using spectro-polarimetry within 15 angstroms around the D3 line"

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Yakovkin I.I., Lozitsky V.G.

Monthly Notices of the Royal Astronomical Society, 523 (40), 2023

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"Spectral manifestations of strong and super-strong magnetic fields in an active prominence on July 24, 1999"

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Yakovkin I.I., Hromov M.A., Lozitsky V.G.

Kinematics and Physics of Celestial Bodies, 39 (5), 2023

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"Comparison of magnetic fields by Sodium and Nickel lines measured in the area of the seismic source of a powerful solar flare"

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Lozitska N.I., Yakovkin I.I., Lozitsky V.G.

Bulletin of Taras Shevchenko National University of Kyiv. Astronomy, 67 (1), 2023

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"Comparison of magnetic fields by D1, D2 and NiI lines measured in the areas of the seismic source of a powerful solar flare and in a sunspot without flares"

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Lozitska N.I., Yakovkin I.I., Lozitsky V.G.

XXIII Gamow International Astronomical Conference, Odessa (Ukraine), August 21 – 25, 2023

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"Hidden manifestations of the Paschen-Back effect in D1 and D2 lines in the spectrum of a sunspot without flares"

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Yakovkin I.I., Lozitska N.I., Lozitsky V.G.

Bulletin of Taras Shevchenko National University of Kyiv. Astronomy, 67 (1), 2023

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"Comparison of magnetic fields by D1, D2 and NiI lines measured in the areas of the seismic source of a powerful solar flare and in a sunspot without flares"

[PDF] [PROC]

Yakovkin I.I., Lozitska N.I., Lozitsky V.G.

International Churyumov Readings CAMMAC-2023, Kyiv (Ukraine), October 31 – November 3, 2023

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"Electrically induced orientational instability of the director in a homeotropic nematic liquid crystal cell and its effect on surface plasmon oscillations"

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Yakovkin I.I., Ledney M.F.

Phase Transitions, 97 (6), 2023

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"Liquid crystal-enabled tunability of Yagi-Uda antenna resonant properties"

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Yakovkin I.I., Reshetnyak V.Yu.

Journal of Optical Microsystems, 3 (4), 2023

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"Tuning of localized surface plasmon resonance in arrays of gold nanospheres by reorientation of liquid crystals"

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Yakovkin I.I., Ledney M.F., Reshetnyak V.Yu.

20th Optics of Liquid Crystals Conference (OLC 2023), Szczecin (Poland), September 17 – 22, 2023

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"Controlling plasmon resonance of gold and silver nanoparticle arrays with help of liquid crystal"

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Yakovkin I.I., Reshetnyak V.Yu.

Photonics, 10 (10), 2023

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"Unique spectral manifestations around the D3 line observed in the region close to the seismic source of a large solar flare"

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Lozitska N.I., Yakovkin I.I., Lozitsky V.G.

Monthly Notices of the Royal Astronomical Society Letters, 528 (1), 2024

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"Dependence of strong magnetic field measurements in the solar atmosphere on the techniques used"

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Hromov M.A., Yakovkin I.I., Lozitsky V.G.

International Conference 'Astronomy and Space Physics', Kyiv (Ukraine), May 28 – 31, 2024

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"Comparison of magnetic fields and Doppler velocities in an X-class solar flare as measured by D1, D2, D3, H-alpha, and NiI 5892.9 lines"

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Lozitsky V.G., Yakovkin I.I., Lozitska N.I.

International Conference 'Astronomy and Space Physics', Kyiv (Ukraine), May 28 – 31, 2024

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"Altitude Heterogeneity of Magnetic Fields and Doppler Velocities in the Area of Seismic Source of a Strong Solar Flare from Data in Helium, Sodium, and Nickel Lines"

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Yakovkin I.I., Lozitska N.I., Lozitsky V.G.

Universe, 10 (6), 2024

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"Comparison of magnetic field measurements in a sunspot using spectral lines with different Lande factors and formation height in atmosphere"

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Lozitska N.I., Hromov M.A., Yakovkin I.I., Lozitsky V.G.

XXIV Gamow International Astronomical Conference, Odessa (Ukraine), August 19 – 23, 2024

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"Comparison of direct magnetic field measurements in a sunspot by spectral lines of Fe I, Fe II and Ti I"

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Lozitska N.I., Yakovkin I.I., Lozitsky V.G., Hromov M.A.

Kinematics and Physics of Celestial Bodies, 40 (6), 2024

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"Tunable THz absorbers based on LC-tuned Yagi–Uda antennas"

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Yakovkin I.I., Reshetnyak V.Yu., Bunning T.J., Evans D.R.

Liquid crystals, 51 (13), 2024

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"Modeling of laser generation in a Fabry-Perot-Tamm structure with a nematic liquid crystal layer"

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Yakovkin I.I., Ledney M.F., Reshetnyak V.Yu., Pakamoryte I., Hands P.J.W.

Journal of Applied Physics, 135 (21), 2024

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"Electro-optic tuning of Terahertz Yagi-Uda antenna arrays through liquid crystal reorientation"

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Yakovkin I.I., Reshetnyak V.Yu., Evans D.R., Bunning T.J.

SPIE Photonics Europe, Strasbourg (France), April 7 – 11, 2024

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"Laser generation in a Tamm plasmon structure controlled by a nematic liquid crystal"

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Yakovkin I.I., Ledney M.F., Reshetnyak V.Yu., Pakamoryte I., Hands P.J.W.

SPIE Photonics Europe, Strasbourg (France), April 7 – 11, 2024

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"Electrocontrol over Surface Plasmon Oscillations in a Homeotropic Nematic Liquid Crystal Cell"

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Yakovkin I.I., Ledney M.F.

Ukrainian Journal of Physics, 69 (6), 2024

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"Controlling reflection and absorption of antennae array in THz using liquid crystals and liquid crystal elastomers"

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Yakovkin I.I., Reshetnyak V.Yu., Gleeson H.F., Bunning T.J., Evans D.R.

29th International Liquid Crystal Conference (ILCC 2024), Rio de Janeiro (Brazil), July 21 – 26, 2024

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"Modeling the kinetics of auto-oscillations in a nematic liquid crystal cell with photoaligning in an azo-dye layer on a substrate"

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Yakovkin I.I., Ledney M.F., Nych A.B.

The 4th International Online Conference on Crystals (IOCC2024), Basel (Switzerland), September 18 – 20, 2024

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"Comparison of magnetic fields and Doppler velocities in an X-class solar flare as measured by D1, D2, D3, Hα, and NiI 5892.9 lines"

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Lozitsky V.G., Yakovkin I.I., Lozitska N.I.

Advances in Space Research, 75 (1), 2025

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"Machine Learning in Application to Automatic Noise Processing of Solar Spectrograms"

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Yakovkin I.I., Bartenev A.O., Petrova N.V.

Journal of Physical Studies, 29 (1), 2025

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"Voltage-controlled surface plasmon in a flexoelectric nematic liquid crystal cell"

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Yakovkin I.I., Ledney M.F.

Liquid Crystals, 1-15, 2025