Solid State Physics
| # | Authors | Title | Jounal |
|---|---|---|---|
| 1 | Yakovkin I.I. | Simulation of low energy electron diffraction patterns in kinematical approximation [ResearchGate] [PDF] | XII International conference “Electronics and applied physics”, October 19 – 22, 2016 (Kyiv, Ukraine) |
| 2 1 |
Yakovkin I.N., Yakovkin I.I., Petrova N.V. | DFT and Monte Carlo study of the W(001) surface reconstruction [DOI] [ResearchGate] [PDF] | European Physical Journal B, 90 (125), 2017 [Q2] |
Solar Physics
| # | Authors | Title | Jounal |
|---|---|---|---|
| 1 1 |
Lozitsky V.G., Yakovkin I.I., Lozitska N.I. | Line profiles and magnetic fields in the limb solar flare of July 1, 1981. Preliminary results [DOI] [ResearchGate] [PDF] | Journal of Physical Studies, 24 (2), p. 2901, 2020 [Q4] |
| 2 | Yakovkin I.I., Lozitska N.I., Lozitsky V.G. | Geophysical effects of powerful solar flares and modern ideas about their physical nature [Proceedings] [PDF] | Всеукраїнська молодіжна наукова конференція-школа “Сучасні проблеми наук про Землю”, 14 – 16 квітня, 2020 (Київ, Україна) |
| 3 | Yakovkin I.I., Lozitsky V.G., Lozitska N.I. | Simultaneous observations of K Ca II, Hδ and He I 4471.5 Å lines in a limb solar flare [Proceedings] [PDF] | International Conference “Astronomy and Space Physics in the Kyiv University”, May 27 – 29, 2020 (Kyiv, Ukraine) |
| 4 | Yakovkin I.I. | A program on processing the solar spectra scans [Proceedings] [Project Page] [PDF] | International Conference “Astronomy and Space Physics in the Kyiv University”, May 27 – 29, 2020 (Kyiv, Ukraine) |
| 5 2 |
Yakovkin I.I., Lozitsky V.G. | On the possible existence of superstrong magnetic fields in a limb solar flare [DOI] [ResearchGate] [PDF] | Odessa Astronomical Publications, 33, 2020 |
| 6 3 |
Lozitsky V., Yakovkin I., Kravchenko E. | Magnetic fields in limb solar flares on heights 2 – 14 Mm [DOI] [ResearchGate] [PDF] | Bulletin of Taras Shevchenko National University of Kyiv. Astronomy, 61, p. 6 – 14, 2020 |
| 7 4 |
Yakovkin I.I., Veronig A.M., Lozitsky V.G. | Magnetic field measurements in a limb solar flare by hydrogen, helium and ionized calcium lines [DOI] [ResearchGate] [PDF] | Advances in Space Research, 68 (3), 2021 [Q2] |
| 8 | Lozitsky V.G., Yakovkin I.I., Kravchenko Ye.O., Tarashchuk V.P. | Comparison of different methods of magnetic field measurements in the solar flares. [Proceedings] [PDF] | International Conference “Astronomy and Space Physics in the Kyiv University”, May 25 – 28, 2021 (Kyiv, Ukraine) |
| 9 | Yakovkin I.I., Veronig A.M., Lozitsky V.G. | Magnetic fields and turbulent velocities in a limb solar flare by hydrogen, helium and ionized calcium lines [Contribution] [ResearchGate] [PDF] | 16th European Solar Physics Meeting, September 6 – 10, 2021 (Rome, Italy) |
| 10 5 |
Lozitsky V., Yakovkin I., Kravchenko E., Tarashchuk V. | Comparison of different methods for magnetic field measurements in solar flares [DOI] [ResearchGate] [PDF] | Bulletin of Taras Shevchenko National University of Kyiv. Astronomy, 63, p. 15 – 21, 2021 |
| 11 6 |
Yakovkin I.I., Lozitsky V.G. | Signatures of superstrong magnetic fields in a limb solar flare from observations of the Hα line [DOI] [ResearchGate] [PDF] | Advances in Space Research, 69 (12), 2022 [Q2] |
| 12 | Yakovkin I.I., Lozitsky V.G. | Indications of superstrong magnetic fields in a limb solare flare and an active prominence from spectro-polarimetric observations in Hα and D3 lines [Proceedings] [ResearchGate] [PDF] | XXII Gamow International Astronomical Conference-School, August 22 – 26, 2022 (Odessa, Ukraine) |
| 13 | Yakovkin I.I., Lozitsky V.G. | 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 [Proceedings] [PDF] | International Conference “Astronomy and Space Physics”, October 18 – 21, 2022 (Kyiv, Ukraine) |
| 14 | Gromov M.A., Yakovkin I.I., Lozitsky V.G. | Magnetic fields in a limb solar flare at a height of 40 Mm according to spectral-polarization observations in the Hα line [Proceedings] [PDF] | International Conference “Astronomy and Space Physics”, October 18 – 21, 2022 (Kyiv, Ukraine) |
| 15 7 |
Gromov M.A., Yakovkin I.I., Lozitsky V.G. | Magnetic field peculiarities in limb solar flare of 12 July 2012 at height of about 40 megameters [DOI] [ResearchGate] [PDF] | Bulletin of Taras Shevchenko National University of Kyiv. Astronomy, 66, p. 36 – 41, 2022 |
| 16 | Yakovkin I.I., Lozitsky V.G. | Search for superstrong magnetic fields in active processes on the Sun using spectro-polarimetry within 15 angstroms around the D3 line [Proceedings] [PDF] | International Conference “Astronomy and Space Physics”, May 23 – 26, 2023 (Kyiv, Ukraine) |
| 17 | Lozitska N.I., Yakovkin I.I., Lozitsky V.G. | Observations of high-speed downflows in the region of the seismic source in a large solar flare using spectro-polarimetry in the D3 line [Proceedings] [PDF] | International Conference “Astronomy and Space Physics”, May 23 – 26, 2023 (Kyiv, Ukraine) |
| 18 | Gromov M.A., Yakovkin I.I., Lozitsky V.G. | Evidences of strong magnetic fields in the active prominence on July 24, 1999 observed at 07:00:10 UT [Proceedings] [PDF] | International Conference “Astronomy and Space Physics”, May 23 – 26, 2023 (Kyiv, Ukraine) |
| 19 | Yakovkin I.I., Bartenev A.O., Petrova N.V. | Addressing non-local relations in differently digitized spectra using machine learning [Proceedings] [PDF] | International Conference “Astronomy and Space Physics”, May 23 – 26, 2023 (Kyiv, Ukraine) |
| 20 | Yakovkin I.I., Bartenev A.O., Petrova N.V. | Detecting and addressing spectral contamination through machine learning [Proceedings] [PDF] | International Conference “Astronomy and Space Physics”, May 23 – 26, 2023 (Kyiv, Ukraine) |
| 21 8 |
Yakovkin I.I., Lozitsky V.G. | Search for superstrong magnetic fields in active processes on the Sun using spectro-polarimetry within 15 angstroms around the D3 line [DOI] [ResearchGate] [PDF] | Monthly Notices of the Royal Astronomical Society, 523 (40), p. 5812 – 5822, 2023 [Q1] |
| 22 9 |
Yakovkin I.I., Hromov M.A., Lozitsky V.G. | Spectral manifestations of strong and super-strong magnetic fields in an active prominence on July 24, 1999 [DOI] [ResearchGate] [PDF] | Kinematics and Physics of Celestial Bodies, 39 (5), 2023 [Q4] |
| 23 10 |
Lozitska N.I., Yakovkin I.I., Lozitsky V.G. | Comparison of magnetic fields by Sodium and Nickel lines measured in the area of the seismic source of a powerful solar flare [DOI (todo:update)] [ResearchGate] | Bulletin of Taras Shevchenko National University of Kyiv. Astronomy, 67 (1), 2023 |
| 24 | Lozitska N.I., Yakovkin I.I., Lozitsky V.G. | 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 [Proceedings] [ResearchGate] | XXIII Gamow International Astronomical Conference, August 21 – 25, 2023 (Odessa, Ukraine) |
| 25 11 |
Yakovkin I.I., Lozitska N.I., Lozitsky V.G. | Hidden manifestations of the Paschen-Back effect in D1 and D2 lines in the spectrum of a sunspot without flares [DOI (todo:update)] | Bulletin of Taras Shevchenko National University of Kyiv. Astronomy, 67 (1), 2023 |
| 26 | Yakovkin I.I., Lozitska N.I., Lozitsky V.G. | 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 [Proceedings] | International Churyumov Readings CAMMAC-2023, October 31 – November 3, 2023 (Kyiv, Ukraine) |
| 27 12 |
Lozitska N.I., Yakovkin I.I., Lozitsky V.G. | Unique spectral manifestations around the D3 line observed in the region close to the seismic source of a large solar flare [DOI] [ResearchGate] | Monthly Notices of the Royal Astronomical Society Letters, 528 (1), 2024 [Q1] |
| 28 | Hromov M.A., Yakovkin I.I., Lozitsky V.G. | Dependence of strong magnetic field measurements in the solar atmosphere on the techniques used [Proceedings] | International Conference “Astronomy and Space Physics”, May 28 – 31, 2024 (Kyiv, Ukraine) |
| 29 | Lozitsky V.G., Yakovkin I.I., Lozitska N.I. | 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 [Proceedings] | International Conference “Astronomy and Space Physics”, May 28 – 31, 2024 (Kyiv, Ukraine) |
| 30 13 |
Yakovkin I.I., Lozitska N.I., Lozitsky V.G. | 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 [DOI] [ResearchGate] | Universe, 10(6), 262, 2024 [Q1] |
| 31 14 |
Lozitsky V.G Yakovkin I.I., Lozitska N.I. | 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 [DOI] | Advances in Space Research, 2024 [Q1] |
| 32 | Lozitska N.I., Hromov M.A., Yakovkin I.I., Lozitsky V.G. | Comparison of magnetic field measurements in a sunspot using spectral lines with different Lande factors and formation height in atmosphere [Proceedings] | XXIV Gamow International Astronomical Conference, August 19 – 23, 2024 (Odessa, Ukraine) |
| 33 15 |
Lozitska N.I., Yakovkin I.I., Lozitsky V.G., Hromov M.A. | Comparison of direct magnetic field measurements in a sunspot by spectral lines of Fe I, Fe II and Ti I | Kinematics and Physics of Celestial Bodies, 40(6), 2024 [Q4] |
Liquid Crystals
| # | Authors | Title | Jounal |
|---|---|---|---|
| 1 | Яковкін І.І., Ледней М.Ф., Лесюк А.І. | Електроіндукована орієнтаційна нестійкість у планарній нематичній флексоелектричній комірці з рухомою легкою віссю [PDF] | Наукова конференція молодих вчених “Наука ХХІ сторіччя: сучасні проблеми фізики”, 7 – 10 травня, 2019 (Київ, Україна) |
| 2 | Яковкін І.І., Ледней М.Ф. | Вплив електричного поля на поверхневі плазмонні коливання в комірці нематичного рідкого кристалу [PDF] | Наукова конференція молодих вчених “Наука ХХІ сторіччя: сучасні проблеми фізики”, 10 – 14 травня, 2021 (Київ, Україна) |
| 3 1 |
Yakovkin I.I., Lesiuk A.I., Ledney M.F., Reshetnyak V.Yu. | Director orientational instability in a planar flexoelectric nematic cell with easy axis gliding [DOI] [ResearchGate] [PDF] | Journal of Molecular Liquids, 363 (6), 2022 [Q1] |
| 4 | Yakovkin I.I., Ledney M.F. | Surface plasmon oscillations control by nematic liquid crystal reorientation [Proceedings] [ResearchGate] [Poster PDF] [PDF] | 10th jubilee International Conference "Nanotechnologies and Nanomaterials NANO-2022", August 25 – 27, 2022 (Lviv, Ukraine) |
| 5 | Yakovkin I.I., Lesiuk A.I., Ledney M.F., Reshetnyak V.Yu. | Orientational instability of the director in a planar flexoelectric nematic cell with easy axis gliding [Proceedings] [ResearchGate] [PDF] | International Symposium on Dielectric Materials and Applications ISyDMA'7, December 6 – 8, 2022 (Poznań, Poland) |
| 6 | Yakovkin I.I., Ledney M.F. | Hysteresis of surface plasmon polariton effective index induced by liquid crystal reorientation [Proceedings] [ResearchGate] [Best poster award] [Poster PDF] [PDF] | International Symposium on Dielectric Materials and Applications ISyDMA'7, December 6 – 8, 2022 (Poznań, Poland) |
| 7 2 |
Yakovkin I.I., Ledney M.F. | Electrically induced orientational instability of the director in a homeotropic nematic liquid crystal cell and its effect on surface plasmon oscillations [DOI] [ResearchGate] [PDF] | Phase Transitions, 97(6), 394 – 404, 2023 [Q3] |
| 8 3 |
Yakovkin I.I., Reshetnyak V.Yu. | Liquid crystal-enabled tunability of Yagi-Uda antenna resonant properties [DOI] [ResearchGate] | Journal of Optical Microsystems, 3 (4), 041203, 2023 [Q2] |
| 9 | Yakovkin I.I., Ledney M.F., Reshetnyak V.Yu. | Tuning of localized surface plasmon resonance in arrays of gold nanospheres by reorientation of liquid crystals [Conference] | 20th Optics of Liquid Crystals Conference (OLC 2023), September 17 – 22, 2023 (Szczecin, Poland) |
| 10 4 |
Yakovkin I.I., Reshetnyak V.Yu. | Controlling plasmon resonance of gold and silver nanoparticle arrays with help of liquid crystal [DOI] [ResearchGate] | Photonics, 10 (10), 1088, 2023 [Q2] |
| 11 5 |
Yakovkin I.I., Reshetnyak V.Yu., Bunning T.J., Evans D.R. | Tunable THz absorbers based on LC-tuned Yagi–Uda antennas [DOI] [ResearchGate] | Liquid crystals, 1 – 11, 2024 [Q2] |
| 12 6 |
Yakovkin I.I., Ledney M.F., Reshetnyak V.Yu., Pakamoryte I., Hands P.J.W. | Modeling of laser generation in a Fabry-Perot-Tamm structure with a nematic liquid crystal layer [DOI] [ResearchGate] | Journal of Applied Physics 135 (21), 213102, 2024 [Q2] |
| 13 | Reshetnyak V.Yu., Yakovkin I.I., Evans D.R., Bunning T.J. | Electro-optic tuning of Terahertz Yagi-Uda antenna arrays through liquid crystal reorientation (Invited Paper) [Contribution] | SPIE Photonics Europe, April 7 – 11, 2024 (Strasbourg, France) |
| 14 | Yakovkin I.I., Ledney M.F., Reshetnyak V.Yu., Pakamoryte I., Hands P.J.W. | Laser generation in a Tamm plasmon structure controlled by a nematic liquid crystal [Contribution] | SPIE Photonics Europe, April 7 – 11, 2024 (Strasbourg, France) |
| 15 7 |
Yakovkin I.I., Ledney M.F. | Electrocontrol over Surface Plasmon Oscillations in a Homeotropic Nematic Liquid Crystal Cell [DOI] | Ukrainian Journal of Physics 69 (6), 417, 2024 [Q3] |
| 16 | Yakovkin I.I., Reshetnyak V.Yu., Gleeson H.F., Bunning T.J., Evans D.R. | Controlling reflection and absorption of antennae array in THz using liquid crystals and liquid crystal elastomers [Conference] | 29th International Liquid Crystal Conference (ILCC 2024), July 21 – 26, 2024 (Rio de Janeiro, Brazil) |
| 17 | Yakovkin I.I., Ledney M.F., Nych A.B. | Modeling the kinetics of auto-oscillations in a nematic liquid crystal cell with photoaligning in an azo-dye layer on a substrate [Contribution] | The 4th International Online Conference on Crystals (IOCC2024), September 18 – 20, 2024 (Online/Basel, Switzerland) |