Home Kostiantyn V. Yershov

Kostiantyn V. Yershov

Institution

kostya Bogolyubov Institute for Theoretical Physics of NAS of Ukraine
National University of “Kyiv-Mohyla Academy”

Contacts

e-mail:

Research Interests

  • Micromagnetism.
  • Dynamics of magnetic vortices and domain walls.
  • Computer simulations of physical processes.

Publications

The articles and abstracts of conferences are Copyright © by the respective publishers, and may be downloaded for personal use only. Any other use requires prior permission of the author and the respective publisher.

Works, where SLaSi is used, are highlighted

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Articles

    2023

  1. Kostiantyn V. Yershov, Denis D. Sheka. Control of magnetic response in curved stripes by tailoring the cross section, Physical Review B 107, P. L100415 (2023) DOI: 10.1103/physrevb.107.l100415, Supplementary, PDF

    2. 2022

  2. Denis D. Sheka, Oleksandr V. Pylypovskyi, Oleksii M. Volkov, Kostiantyn V. Yershov, Volodymyr P. Kravchuk, Denys Makarov. Fundamentals of Curvilinear Ferromagnetism: Statics and Dynamics of Geometrically Curved Wires and Narrow Ribbons, Small P. 2105219 (2022) DOI: 10.1002/smll.202105219, PDF

    3. 2021

  3. Kostiantyn V. Yershov, Attila Kakay, Volodymyr P. Kravchuk. Curvature induced drift and deformation of magnetic skyrmions: comparison of ferro- and antiferromagnetic cases (2021), arXiv:https://arxiv.org/abs/2111.07349
  4. Kostiantyn V. Yershov. Dynamics of domain walls in curved antiferromagnetic wires (2021), arXiv:https://arxiv.org/abs/2111.11261

    5. 2020

  5. Kostiantyn V. Yershov, Volodymyr P. Kravchuk, Denis D. Sheka, Jeroen van den Brink, Avadh Saxena. Domain wall diode based on functionally graded Dzyaloshinskii-Moriya interaction, Applied Physics Letters 116, P. 222406 (2020) DOI: 10.1063/5.0010107, Supplementary, PDF
  6. Oleksandr V. Pylypovskyi, Denys Y. Kononenko, Kostiantyn V. Yershov, Ulrich K. Rößler, Artem Tomilo, Jürgen Faßbender, Jeroen van den Brink, Denys Makarov, Denis D. Sheka. Curvilinear one-dimensional antiferromagnets, Nano Letters 20, P. 8157-8162 (2020) DOI: 10.1021/acs.nanolett.0c03246, arXiv:2005.05835, Supplementary, PDF
  7. Kostiantyn V. Yershov, Volodymyr P. Kravchuk, Denis D. Sheka, Ulrich K. Rößler. Curvature effects on phase transitions in chiral magnets, SciPost Phys. 9, P. 043 (2020) DOI: 10.21468/SciPostPhys.9.4.043, PDF

    8. 2019

  8. Yuri Gaididei, Kostiantyn V. Yershov, Denis D. Sheka, Volodymyr P. Kravchuk, Avadh Saxena. Magnetization-induced shape transformations in flexible ferromagnetic rings, Physical Review B 88, P. 014404 (2019) DOI: 10.1103/PhysRevB.99.014404, arXiv:1809.10622, PDF
  9. Kostiantyn V. Yershov, Volodymyr P. Kravchuk, Denis D. Sheka, Jeroen van den Brink, Yuri Gaididei. Spontaneous deformation of flexible ferromagnetic ribbons induced by Dzyaloshinskii-Moriya interaction, Physical Review B 100, P. 140407(R) (2019) DOI: 10.1103/PhysRevB.100.140407, Supplementary, PDF

    10. 2018

  10. Kostiantyn V. Yershov, Volodymyr P. Kravchuk, Denis D. Sheka, Oleksandr V. Pylypovskyi, Denys Makarov, Yuri Gaididei. Geometry-induced motion of magnetic domain walls in curved nanostripes, Physical Review B (Rapid Communications) 98, P. 060409 (2018) DOI: 10.1103/physrevb.98.060409, arXiv:1805.04539, PDF

    11. 2016

  11. Oleksandr V. Pylypovskyi, Denis D. Sheka, Volodymyr P. Kravchuk, Kostiantyn V. Yershov, Denys Makarov, Yuri Gaididei. Rashba Torque Driven Domain Wall Motion in Magnetic Helices, Scientific Reports 6, P. 23316 (2016) DOI: 10.1038/srep23316, arXiv:1510.04725, PDF
  12. Kostiantyn V. Yershov, Volodymyr P. Kravchuk, Denis D. Sheka, Yuri Gaididei. Curvature and torsion effects in the spin-current driven domain wall motion, Phys. Rev. B. 93, P. 094418 (2016) DOI: 10.1103/PhysRevB.93.094418, arXiv:1511.02193, PDF

    13. 2015

  13. Kostiantyn V. Yershov, Volodymyr P. Kravchuk, Denis D. Sheka, Yuri Gaididei. Controllable vortex chirality switching on spherical shells, J. Appl. Phys. 117, P. 083908 (2015) DOI: 10.1063/1.4913486, PDF
  14. Denis D. Sheka, Volodymyr P. Kravchuk, Kostiantyn V. Yershov, Yuri Gaididei. Torsion-induced effects in magnetic nanowires, Phys. Rev. B. 92, P. 054417 (2015) DOI: 10.1103/PhysRevB.92.054417, arXiv:1502.06482, PDF
  15. Kostiantyn V. Yershov, Volodymyr P. Kravchuk, Denis D. Sheka, Yuri Gaididei. Curvature-induced domain wall pinning, Phys. Rev. B. 92, P. 104412 (2015) DOI: 10.1103/PhysRevB.92.104412, arXiv:1505.07867, PDF

Conference works

    2024

  1. Dmytro Karakuts, Kostiantyn V. Yershov, Denis D. Sheka. Influence of the variable cross section on the domain wall dynamics in curved ferromagnetic nanostripes
    https://indico.bitp.kiev.ua/event/11/contributions/266/
    , Abstracts of XIV Conference of Young Scientists Problems in Theoretical Physics, 16-18 January 2024. Kyiv, Ukraine, P. 40-41 (2024), PDF
  2. Dmytro Karakuts, Kostiantyn V. Yershov, Denis D. Sheka. Domain Wall Automotion in Curved Ferromagnetic Nanostripes by Cross-section Tailoring
    https://ieeenap.org/data/IEEE_NAP-2024_Abstract_Book.pdf
    , Book of Abstracts of 2024 IEEE 14th International Conference on Nanomaterials: Applications & Properties (NAP-2024), Riga, Latvia, September 8-13, 2024, P. NMM-1224 (2024), PDF

    3. 2023

  3. Kostiantyn V. Yershov, Denis D. Sheka. Curvature-induced effects in dynamics of domain walls in chiral biaxail nanotubes
    https://www.dpg-verhandlungen.de/year/2023/conference/skm/part/ma/session/40/contribution/2
    , DPG Meeting of the Condensed Matter Section: Magnetism Division (Book of Abstracts), P. MA 40.2 (2023)
  4. Kostiantyn V. Yershov, Denis D. Sheka. Geometry-induced effects in domain wall dynamics in stripes with spatially varying cross section
    https://www.dpg-verhandlungen.de/year/2023/conference/skm/part/ma/session/50/contribution/2
    , DPG Meeting of the Condensed Matter Section: Magnetism Division (Book of Abstracts), P. MA 50.2 (2023)
  5. Kostiantyn V. Yershov, Denis D. Sheka. Curvature-induced effects in domain wall dynamics in stripes with spatially varying cross section
    https://meetings.aps.org/Meeting/MAR23/Session/B56.10
    , APS March Meeting 2023, Las Vegas, Nevada (March 5-10), Virtual (March 20-22), P. B56.00010 (2023)
  6. Oleksandr V. Pylypovskyi, Yelyzaveta A. Borysenko, Denys Y. Kononenko, Kostiantyn V. Yershov, Ulrich K. Roessler, Artem Tomilo, Jeroen van den Brink, Jürgen Fassbender, Denis D. Sheka, Denys Makarov. Anisotropic effects in antiferromagnetic curvilinear spin chains
    https://www.dpg-verhandlungen.de/year/2023/conference/skm/part/ma/session/18/contribution/6
    , DPG Meeting of the Condensed Matter Section: Magnetism Division (Book of Abstracts), P. 407 (2023)
  7. Oleksandr V. Pylypovskyi, Yelyzaveta A. Borysenko, Artem Tomilo, Denys Y. Kononenko, Kostiantyn V. Yershov, Ulrich Roessler, Jurgen Fassbender, Jeroen van den Brink, Denis D. Sheka, Denys Makarov. Effects of geometry on antiferromagnetic textures: boundaries and geometric curvature
    https://meetings.aps.org/Meeting/MAR23/Session/SS01.16
    , APS March Meeting 2023, Las Vegas, Nevada (March 5-10), Virtual (March 20-22), P. SS01.00016 (2023)
  8. Vladislav Rozhenko, Kostiantyn V. Yershov, Denis D. Sheka. Dynamics Of Domain Walls In Antiferromagnetic Stripes With Functionally Graded Dzialoshinskii-Moriya Interaction, Proceedings of the XXIII International Young Scientists’ Conference on Applied Physics, May, 16-20, 2023 , Kyiv, Ukraine, P. 42-43 (2023), PDF
  9. Yelyzaveta A. Borysenko, Denis D. Sheka, Kostiantyn V. Yershov, Juergen Fassbender, Jeroen van den Brink, Denys Makarov, Oleksandr V. Pylypovskyi. Curvilinear Antiferromagnetic Spin Chains: Interplay Between Geometry And External Magnetic Field, Abstracts of the 13th International Conference ``Nanomaterials: Applications & Properties’’, Bratislava, Slovakia, Sep. 10-15, 2023 (2023), PDF
  10. Yelyzaveta A. Borysenko, Denis D. Sheka, Kostiantyn V. Yershov, Juergen Fassbender, Jeroen van den Brink, Denys Makarov, Oleksandr V. Pylypovskyi. Antiferromagnetic spin chains: ground states and phase transitions in static magnetic field of arbitrary direction., 4th IEEE International Conference on Advances in Magnetics, IEEE AIM 2023. 15-18 January 2023, Moena, Italy, P. 140 (2023)
  11. Yelyzaveta A. Borysenko, Denis D. Sheka, Kostiantyn V. Yershov, Jürgen Fassbender, Jeroen van den Brink, Denys Makarov, Oleksandr V. Pylypovskyi. Magnetic field-induced textures and phase transitions in antiferromagnetic spin chains: geometry-induced effects., Book of Abstracts of 776. WE-Heraeus-Seminar “Re-thinking Spintronics: From Unconventional Materials to Novel Technologies”, 4-6 January 2023, Bad Honnef, Germany, P. 45 (2023), PDF
  12. Dmytro Karakuts, Kostiantyn V. Yershov, Denis D. Sheka. Peculiarities Of Domain Wall Dynamics In Curved Ferromagnetic Nanostripes Of Variable Cross Section, Proceedings of the XXIII International Young Scientists’ Conference on Applied Physics, May, 16-20, 2023 , Kyiv, Ukraine, P. 40-41 (2023), PDF

    13. 2022

  13. Oleksandr V. Pylypovskyi, Denys Y. Kononenko, Yelyzaveta A. Borysenko, Artem Tomilo, Kostiantyn V. Yershov, Ulrich K. Roessler, Jurgen Fassbender, Jeroen van den Brink, Denis D. Sheka, Denys Makarov. Chiral Effects in Curvilinear 1D Antiferromagnets
    https://submission.ieeenap.org/site/submission.html?id=178
    , Abstracts of the 12th International Conference \"Nanomaterials: Applications & Properties\", Kraków, Poland, P. ID 0178 (2022)

    14. 2021

  14. Oleksandr V. Pylypovskyi, Denys Y. Kononenko, Kostiantyn V. Yershov, Ulrich K. Rößler, Artem Tomilo, Juergen Fassbender, Jeroen van den Brink, Denys Makarov, Denis D. Sheka. Effects of torsion and curvature in antiferromagnetic spin chains
    https://www.we-heraeus-stiftung.de/veranstaltungen/seminare/2021/curvilinear-condensed-matter-fundamentals-and-applications
    , Curvilinear Condensed Matter: Fundamentals and Applications. 717. WE-Heraeus-Seminar. 24 - 26 June 2021 ONLINE, P. 55 (2021)
  15. Artem Tomilo, Oleksandr V. Pylypovskyi, Kostiantyn V. Yershov, Denis D. Sheka. Parallel computation of 3D magnetic structures
    https://www.we-heraeus-stiftung.de/fileadmin/Redaktion/PDF/Seminare/2021/717_booklet.pdf
    , Curvilinear Condensed Matter: Fundamentals and Applications, P. 58 (2021)
  16. Oleksandr V. Pylypovskyi, Denys Y. Kononenko, Kostiantyn V. Yershov, Ulrich K. Rößler, Jurgen Fassbender, Jeroen van den Brink, Denys Makarov, Denis D. Sheka. Effects of geometry on curvilinear antiferromagnetic spin chains
    http://meetings.aps.org/Meeting/MAR21/Session/E40.8
    , APS March Meeting 2021 (Online), P. E40.00008 (2021)
  17. Oleksandr V. Pylypovskyi, Denys Y. Kononenko, Kostiantyn V. Yershov, Ulrich K. Rößler, Artem Tomilo, Jürgen Fassbender, Jeroen van den Brink, Denys Makarov, Denis D. Sheka. Geometrically driven chiral effects in curvilinear antiferromagnetic spin chains
    https://www.we-heraeus-stiftung.de/veranstaltungen/seminare/2021/magnetism-at-the-nanoscale-imaging-fabrication-physics/
    , Magnetism at the Nanoscale: Imaging - Fabrication - Physics. 736. WE-Heraeus-Seminar. 06 - 08 January 2021 ONLINE, P. 68 (2021)

    18. 2020

  18. Artem Tomilo, Oleksandr V. Pylypovskyi, Kostiantyn V. Yershov, Denis D. Sheka. Parallel computing of elastic magnetic systems at the nanoscale, Proceedings of the Sixth International Conference on High Performance Computing (HPC-UA 2020), November 6 — November 7, 2020, P. E39.00011 (2020)
  19. Denys Y. Kononenko, Oleksandr V. Pylypovskyi, Kostiantyn V. Yershov, Ulrich K. Rößler, Artem Tomilo, Jürgen Fassbender, Jeroen van den Brink, Denys Makarov, Denis D. Sheka. Effects of Geometry on Curvilinear Spin Chains, MMM 2020 Virtual Conference. Abstracts, P. 294 (2020)

    20. 2019

  20. Kostiantyn V. Yershov, Volodymyr P. Kravchuk, Denis D. Sheka, Avadh Saxena, Yuri Gaididei. Shape transformations of elastic ferromagnetic systems
    https://indico.knu.ua/event/4/contributions/619/
    , International workshop Curvilinear Micromagnetism. May 22-25, 2019, Kyiv, Ukraine (Book of Abstracts), P. 12-13 (2019), PDF
  21. Kostiantyn V. Yershov, Denis D. Sheka, Volodymyr P. Kravchuk, Avadh Saxena, Yuri Gaididei. Magnetically controlled geometry of flexible ferromagnetic rings, APS March Meeting 2019, Bulletin of the American Physical Society, P. E39.00011 (2019), PDF

    22. 2018

  22. Artem Tomilo, Oleksandr V. Pylypovskyi, Denis D. Sheka, Kostiantyn V. Yershov. Spin-lattice simulation of magnetic nanowires with geometry-driven parameters, Proceedings of the Fifth International Conference on High Performance Computing (HPC-UA 2018), October 22-23, 2018, P. 158-161 (2018)
  23. Artem Tomilo, Oleksandr V. Pylypovskyi, Kostiantyn V. Yershov, Denis D. Sheka. Simulation of 3D spin chains with geometry-driven anisotropy, Proceedings of the XVIII International Young Scientists’ Conference on Applied Physics, May 22 — May 26, 2018, P. 112-113 (2018), PDF

    24. 2017

  24. Kostiantyn V. Yershov, Denis D. Sheka, Volodymyr P. Kravchuk, Yuri Gaididei, Avadh Saxena. Current-driven domain wall ratchet in a nanomagnet with functionally graded Dzyaloshinskii-Moriya interaction
    http://meetings.aps.org/Meeting/MAR17/Session/R47.5
    , APS March Meeting 2017, Bulletin of the American Physical Society, P. R47.00005 (2017), PDF

    25. 2016

  25. Kostiantyn V. Yershov, Volodymyr P. Kravchuk, Denis D. Sheka, Yuri Gaididei. Torsion induced negative domain wall mobility in helix nanowires, Proceedings of the VII Young Scientists Conference «Problems of Theoretical Physics», December 13-15, Kyiv, Ukraine (2016)
  26. Kostiantyn V. Yershov, Volodymyr P. Kravchuk, Denis D. Sheka, Yuri Gaididei. Curvature and torsion effects in domain wall dynamics in magnetic nanowires, International School & Conference on Nanoscience and Quantum Transport 8 – 14 October (2016)
  27. Oleksandr V. Pylypovskyi, Denis D. Sheka, Volodymyr P. Kravchuk, Kostiantyn V. Yershov, Denys Makarov, Yuri Gaididei. Effects of geometry on the domain wall dynamics in magnetic helices, International School & Conference on Nanoscience and Quantum Transport 8 - 14 October 2016 (2016)
  28. Oleksandr V. Pylypovskyi, Denis D. Sheka, Volodymyr P. Kravchuk, Kostiantyn V. Yershov, Denys Makarov, Yuri Gaididei. Action of Rashba Torque on Domain Wall in Magnetic Helix
    https://www.pks.mpg.de/topmag16
    , Topological Patterns and Dynamics in Magnetic Elements and in Condensed Matter (TopMag) (2016)
  29. Kostiantyn V. Yershov, Volodymyr P. Kravchuk, Denis D. Sheka, Yuri Gaididei. Current Driven Domain Wall Motion in Magnetic Helix, VII International Conference for Young Scientists «Low Temperature Physics», June 06-10, 2016, Kharkiv, Ukraine, Book of Abstracts, P. 77 (2016)
  30. Oleksandr V. Pylypovskyi, Denis D. Sheka, Volodymyr P. Kravchuk, Kostiantyn V. Yershov, Denys Makarov, Yuri Gaididei. Domain Wall Motion in Magnetic Helices Under Actionion of Rashba Torque, VII International Conference for Young Scientists «Low Temperature Physics», June 06-10, 2016, Kharkiv, Ukraine, Book of Abstracts, P. 75 (2016)
  31. Oleksandr V. Pylypovskyi, Denis D. Sheka, Volodymyr P. Kravchuk, Kostiantyn V. Yershov, Denys Makarov, Yuri Gaididei. Structure and Dynamics of Domain Walls in Magnetic Helices Under the Action of the Rashba Torque, Bogolyubov Conference «Problems of Theoretical Physics», May 24-26, 2016, Kyiv, Ukraine,Book of Abstracts, P. O.22 (2016)
  32. Kostiantyn V. Yershov, Volodymyr P. Kravchuk, Denis D. Sheka, Yuri Gaididei. Curvature induced domain wall pinning at a local wire bend, Bogolyubov Conference «Problems of Theoretical Physics», May 24-26, 2016, Kyiv, Ukraine,Book of Abstracts, P. O.20 (2016)

    33. 2015

  33. Kostiantyn V. Yershov, Volodymyr P. Kravchuk, Denis D. Sheka, Yuri Gaididei. Torsion Effects in a Helix Nanowire with Easy-Tangential Anisotropy, International Young Scientists Forum on Applied Physics, September 29 - October 2, Dnipropetrovsk, Ukraine, Forum Proceedings CD (ISBN: 978-1-4673-6976-3), MMM-5 (3 pages) (2015), PDF
  34. Kostiantyn V. Yershov, Volodymyr P. Kravchuk, Denis D. Sheka, Yuri Gaididei. Domain Wall Dynamics at the Local Wire Bend, International Young Scientists Forum on Applied Physics, September 29 - October 2, Dnipropetrovsk, Ukraine, Forum Proceedings CD (ISBN: 978-1-4673-6976-3), MMM-4 (3 pages) (2015), PDF
  35. Kostiantyn V. Yershov, Volodymyr P. Kravchuk, Denis D. Sheka, Yuri Gaididei, Oleksii M. Volkov. Domain Wall Dynamics in Parabolic Wire, International Conference on Magnetism, July 5–10, 2015, Barcelona, Spain. Book of Abstracts, P. Mo.K-P23 (2015), PDF

    36. 2014

  36. Kostiantyn V. Yershov, Volodymyr P. Kravchuk, Denis D. Sheka, Yuri Gaididei. Control of Chirality of Vortex Magnetization on Hemispherical Nanoshells, Proceedings of the VI Young Scientists Conference «Problems of Theoretical Physics», Kyiv, Ukraine, November 25-27, 2014, P. 59 (2014)
  37. Kostiantyn V. Yershov, Volodymyr P. Kravchuk, Denis D. Sheka, Yuri Gaididei. Curvature Effects in Vortex Chirality Switching, Proceedings of the X International Conference «Electronics and Applied Physics», October 22-25, 2014, Kiev, Ukraine, P. 40-41 (2014)

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