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Profil
| Derzeitige Stellung | Professor W-3 und Äquivalente |
|---|---|
| Fachgebiet | Theoretische Physik,Experimentelle Physik der Kondensierten Materie,Theoretische Physik der Kondensierten Materie |
| Keywords | nanomagnetism, curvature effects, classical spin models, nanowire, nanoshell |
| Auszeichnungen | 2023: Research Grant No. 9918 from IEEE Magnetics Society and the Science and Technology Center of Ukraine 2020: Joined German-Ukrainian project ID MC 9/22-1: grant from DFG, Germany 2019: Research Project No. 19BF052-01 from Taras Shevchenko National University of Kyiv, Ukraine 2018: Joined German-Ukrainian project ID 57430566: grant from DAAD Leonhard Euler Programm, Germany 2017: Joined German-Ukrainian project Reserach Group Linkage Programme from the Alexander von Humboldt Foundation, Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany 2015: Renewal Grant from the Alexander von Humboldt Foundation, Bayreuth University, Germany 2013: Joined German-Ukrainian project ID MA 5144/3-1, grant from DFG, Germany 2012: Renewal Grant from the Alexander von Humboldt Foundation, Bayreuth University, Germany 2011: Research Grant of the President of Ukraine F35/528: State fund for fundamental researches, Kyiv, Ukraine 2010: Renewal Grant from the Alexander von Humboldt Foundation, Bayreuth University, Germany 2007: Research Grant F25.2/081 from the State fund for fundamental researches, Ukraine 2006: Research Grant from the Alexander von Humboldt Foundation, Bayreuth University, Germany 2005: Davydov Prize from the National Academy of Science of Ukraine 1998: Soros Grant for Young Teaching Scientists, Ukraine 1995: Soros Postgraduate Student Grant, Ukraine |
Aktuelle Kontaktadresse
| Land | Ukraine |
|---|---|
| Ort | Kiev |
| Universität/Institution | Kiev National University - Taras Shevchenko - |
| Institut/Abteilung | Institute of High Technologies |
| Website | http://ritm.knu.ua/sheka/ |
Gastgeber*innen während der Förderung
| Prof. Dr. Franz G. Mertens | Lehrstuhl für Theoretische Physik I, Universität Bayreuth, Bayreuth |
|---|---|
| Prof. Dr. Denis D. Sheka | Faculty of Radiophysics, Chair of Mathematics and Theoretical Radiophysics, Kiev National University - Taras Shevchenko -, Kiev |
| Dr. Denys Makarov | Institut für Ionenstrahlphysik und Materialforschung, Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Dresden |
| Beginn der ersten Förderung | 01.01.2006 |
Programm(e)
| 2005 | Humboldt-Forschungsstipendien-Programm |
|---|
Publikationen (Auswahl)
| 2016 | Kostiantyn V. Yershov, Volodymyr P. Kravchuk, Denis D. Sheka,Yuri Gaididei: Curvature and torsion effects in the spin-current driven domain wall motion. In: Physical Review B, 2016, 094418 |
|---|---|
| 2016 | Robert Streubel, Peter Fischer, Florian Kronast, Volodymyr P. Kravchuk, Denis D. Sheka, Yuri Gaididei, Oliver G Schmidt, Denys Makarov: Magnetism in curved geometries (topical review). In: Journal of Physics D: Applied Physics, 2016, 363001-1-363001-45 |
| 2016 | 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. In: Scientific Reports (Nature Publishing Group), 2016, 23316 |
| 2016 | Volodymyr P. Kravchuk, Ulrich K. Rößler, Oleksii M. Volkov, Denis D. Sheka, Jeroen van den Brink, Denys Makarov, Hagen Fuchs, Hans Fangohr, Yuri Gaididei Topologically stable magnetization states on a spherical shell: Curvature-stabilized skyrmions. In: Physical Review B. , 2016, 144402-1-144402-11 |
| 2015 | Kostiantyn V. Yershov, Volodymyr P. Kravchuk, Denis D. Sheka,Yuri Gaididei: Controllable vortex chirality switching on spherical shells. In: Journal of Applied Physics, 2015, 083908 |
| 2015 | Oleksandr V. Pylypovskyi, Volodymyr P. Kravchuk, Denis D. Sheka, Denys Makarov, Oliver G. Schmidt, Yuri Gaididei: Coupling of Chiralities in Spin and Physical Spaces: The Möbius Ring as a Case Study. In: Physical Review Letters, 2015, 197204 |
| 2015 | Denis D. Sheka, Volodymyr P. Kravchuk, Yuri Gaididei: Curvature effects in statics and dynamics of low dimensional magnets. In: Journal of Physics A: Mathematical and Theoretical, 2015, 125202 |
| 2015 | Kostiantyn V. Yershov, Volodymyr P. Kravchuk, Denis D. Sheka,Yuri Gaididei: Curvature-induced domain wall pinning. In: Physical Review B, 2015, 104412 |
| 2015 | Oleksii M. Volkov, Volodymyr P. Kravchuk, Denis D. Sheka, Yuri Gaididei, Franz G. Mertens: Effects of a spin-polarized current assisted Ørsted field in magnetization patterning. In: Journal of Applied Physics, 2015, 213910 |
| 2015 | Sang-Koog Kim, Myoung-Woo Yoo, Jehyun Lee, Ha-Youn Lee, Jae-Hyeok Lee, Yuri Gaididei, Volodymyr P. Kravchuk, Denis D. Sheka: Resonantly excited precession motion of three-dimensional vortex core in magnetic nanospheres. In: Scientific Reports (Nature Publishing Group), 2015, 11370 |
| 2015 | Denis D. Sheka, Volodymyr P. Kravchuk, Kostiantyn V. Yershov,Yuri Gaididei: Torsion-induced effects in magnetic nanowires. In: Physical Review B, 2015, 054417 |
| 2015 | Oleksandr V. Pylypovskyi, Denis D. Sheka, Volodymyr P. Kravchuk, Yuri Gaididei: Vortex Polarity Switching in Magnets with Surface Anisotropy. In: Low Temperature Physics, 2015, 466-481 |
| 2014 | Yuri Gaididei, Volodymyr P. Kravchuk, Denis D. Sheka: Curvature Effects in Thin Magnetic Shells. In: Physical Review Letters, 2014, 257203 |
| 2014 | Mykola I. Sloika, Volodymyr P. Kravchuk, Denis D. Sheka, Yuri Gaididei: Curvature induced chirality symmetry breaking in vortex core switching phenomena. In: Applied Physics Letters, 2014, 252403 |
| 2014 | Oleksandr V. Pylypovskyi, Denis D. Sheka, Volodymyr P. Kravchuk, Yuri Gaididei : Effects of Surface Anisotropy on Magnetic Vortex Core. In: Journal of Magnetism and Magnetic Materials, 2014, 201-205 |
| 2013 | Denis D. Sheka, Volodymyr P. Kravchuk, Mykola I. Sloika, Yuri Gaididei: Equilibrium states of soft magnetic hemispherical shell. In: SPIN, 2013, 1340003 |
| 2013 | Oleksandr V. Pylypovskyi, Denis D. Sheka, Volodymyr P. Kravchuk, Yuri Gaididei, Franz G. Mertens: Mechanism of Fast Axially-Symmetric Reversal of Magnetic Vortex Core. In: Ukrainian Journal of Physics, 2013, 596-603 |
| 2013 | Oleksii M. Volkov, Volodymyr P. Kravchuk, Denis D. Sheka, Franz G. Mertens, Yuri Gaididei: Periodic magnetic structures generated by spin-polarized currents in nanostripes. In: Applied Physics Letters, 2013, 222401 |
| 2013 | Volodymyr P. Kravchuk, Oleksii M. Volkov, Denis D. Sheka, Yuri Gaididei: Periodic magnetization structures generated by transverse spin-current in magnetic nanowires. In: Physical Review B, 2013, 224402 |
| 2013 | Oleksandr V. Pylypovskyi, Denis D. Sheka, Volodymyr P. Kravchuk, Franz G. Mertens, Yuri Gaididei: Regular and chaotic vortex core reversal by a resonant perpendicular magnetic field. In: Physical Review B, 2013, 014432 |
| 2012 | Oleksandr V. Pylypovskyi, Denis D. Sheka, Yuri Gaididei Bloch point structure in a magnetic nanosphere. In: Physical Review B, 2012, 224401 |
| 2012 | Robert Streubel, Volodymyr P. Kravchuk, Denis D. Sheka, Denys Makarov, Florian Kronast, Oliver G. Schmidt, Yuri Gaididei: Equilibrium magnetic states in individual hemispherical permalloy caps. In: Applied Physics Letters, 2012, 132419 |
| 2012 | Yuri Gaididei, Oleksii M. Volkov, Volodymyr P. Kravchuk, Denis D. Sheka: Magnetic vortex-antivortex crystals generated by spin-polarized current. In: Phyical. Review B , 2012, 144401 |
| 2012 | Robert Streubel, Dominic J. Thurmer, Denys Makarov, Florian Kronast, Tobias Kosub, Volodymyr P. Kravchuk, Denis D. Sheka, Yuri Gaididei, Rudolf Schaefer, Oliver G. Schmidt: Magnetically Capped Rolled-up Nanomembranes. In: Nano Letters , 2012, 3961-3966 |
| 2012 | Volodymyr P. Kravchuk, Denis D. Sheka, Robert Streubel, Denys Makarov, Oliver G. Schmidt, Yuri Gaididei: Out-of-surface vortices in spherical shells. In: Physical Review B, 2012, 144433 |
| 2011 | Volodymyr P. Kravchuk, Denis D. Sheka, Franz G Mertens, Yuri Gaididei Off-centred immobile magnetic vortex under influence of spin-transfer torque. In: Journal of Physics D: Applied Physics, 2011, 285001 |
| 2011 | Oleksii M. Volkov, Volodymyr P. Kravchuk, Denis D. Sheka, Yuri Gaididei: Spin-transfer torque and current-induced vortex superlattices in nanomagnets. In: Physical Review B, 2011, 052404 |
| 2010 | Yuri Gaididei, Volodymyr P. Kravchuk, Denis D. Sheka: Magnetic vortex dynamics induced by an electrical current. In: International Journal of Quantum Chemistry, 2010, 83-97 |
| 2010 | Yuri Gaididei, Volodymyr P. Kravchuk, Denis D. Sheka, Franz G. Mertens: Multiple vortex-antivortex pair generation in magnetic nanodots. In: Physical Review B, 2010, 094431 |
| 2009 | Volodymyr P. Kravchuk, Yuri Gaididei, Denis D. Sheka: Nucleation of a vortex-antivortex pair in the presence of an immobile magnetic vortex. In: Physical Review B, 2009, 100405(R) |
| 2008 | Yuri Gaididei, Denis D. Sheka, Franz G. Mertens: Controllable switching of vortex chirality in magnetic nanodisks by a field pulse. In: Applied Physics Letters, 2008, 012503 |
| 2008 | Denis D. Sheka, Yuri Gaididei and Franz G. Mertens: Current induced vortex dynamics in magnetic nanodisks. In: E. Kamenetskii, Electromagnetic, magnetostatic, and exchange-interaction vortices in confined magnetic structures. Research Signpost, 2008. 59-75 |
| 2008 | Volodymyr P. Kravchuk, Denis D. Sheka: Effective magnetic dipolar anisotropy in nanomagnets: equilibrium magnetization states. In: Ukr. Journal Phys., 2008, 802-809 |
| 2008 | Yuri Gaididei, Volodymyr P. Kravchuk, Denis D. Sheka, Franz G. Mertens: Switching phenomena in magnetic vortex dynamics. In: Low Temp. Physics, 2008, 669-676 |
| 2007 | Denis D. Sheka: Comment on ``Magnon wave forms in the presence of a soliton in two--dimensional antiferromagnets with a staggered field''. In: Physical Review B, 2007, 107401 |
| 2007 | Volodymyr P. Kravchuk, Denis D. Sheka, Yuri Gaididei, Franz G. Mertens: Controlled vortex core switching in a magnetic nanodisk by a rotating field. In: Journal of Applied Physics, 2007, 043908 |
| 2007 | Denis D. Sheka, Yuri Gaididei, Franz G. Mertens: Current induced switching of vortex polarity in magnetic nanodisks. In: Applied Physics Letters, 2007, 082509 |
| 2007 | Jean-Guy Caputo, Yuri Gaididei, Volodymyr P. Kravchuk, Franz G. Mertens, Denis D. Sheka: Effective anisotropy of thin nanomagnets: beyond the surface anisotropy approach. In: Physical Review B, 2007, 174428 |
| 2007 | Volodymyr P. Kravchuk, Denis D. Sheka, Yuri B. Gaididei: Equilibrium magnetisation structures in ferromagnetic nanorings. In: Journal of Magnetism and Magnetic Materials, 2007, 116-125 |
| 2007 | B.A.Ivanov, P.V.Bondarenko, A.Yu.Galkin, K.A.Zaspel, D.D. Sheka: Fine structure of spectrum of magnetic particles in a vortex state and their ordered arrais. In: Bulletin of the Russian Academy of Sciences. Physics., 2007, 1494-1496 |
| 2007 | Boris A. Ivanov, Denis D. Sheka, Vasyl V. Kryvonos, Franz G. Mertens: Quantum effects for the two-dimensional soliton in isotropic ferromagnets. In: Physical Review B, 2007, 132401 |
| 2007 | Volodymyr P. Kravchuk, Denis D. Sheka: Thin ferromagnetic nanodisk in a transversal magnetic field. In: Physics of the Solid State, 2007, 1923-1931 |
| 2007 | Jean-Guy Caputo, Yuri Gaididei, Franz G. Mertens and Denis D. Sheka: Vortex polarity switching by a spin-polarized current. In: Physical Review Letters, 2007, 056604 |
| 2006 | Denis D. Sheka, Christian Schuster, Boris A. Ivanov, Franz G. Mertens: Dynamics of topological solitons in two-dimensional ferromagnets. In: The European Physical Journal B, 2006, 393-402 |
| 2006 | Denis D. Sheka: Field momentum and gyroscopic dynamics of classical systems with topological defects. In: Journal of Physics A: Mathematical and General, 2006, 15477-15489 |
| 2006 | Denis D. Sheka and Franz G. Mertens: Levinson theorem for Aharonov-Bohm scattering in two dimensions. In: Physical Review A, 2006, 052703 |
| 2005 | Denis D. Sheka, Yuri Gaididei, Jean-Guy Caputo, Juan P. Zagorodny, Franz G. Mertens: A Limit Cycle in the Dynamics of a Magnetic Vortex in a Two-dimensional Nanodot. In: Ukrainian Journal of Physics, 2005, 1278-1287 |
| 2005 | Elena G. Galkina, Boros A. Ivanov, Vladimir M. Murav'ev, Denis D. Sheka: Effective Equations of Motion of the particle-like excitations in two-dimensional magnets. In: Ukrainian Journal of Physics, 2005, A65-A71 |
| 2005 | Boris A. Ivanov, Denis D. Sheka: Local magnon modes and dynamics of the small radius two-dimensional magnetic soliton in the easy-axes ferromagnet. In: JETP Letts, 2005, 436-440 |
| 2005 | Denis D. Sheka, Juan P. Zagorodny, Jean-Guy Caputo, Yuri Gaididei, Franz G. Mertens: Vortex motion in a finite-size easy-plane ferromagnet and applicationd to a nanodot. In: Physical Review B, 2005, 134420 |
| 2004 | Elena G. Galkina, Boris A. Ivanov, Vladimir M. Murav'ev, Dmitry V. Filin, Denis D. Sheka: About thye Dynamics of the Vortex Magnetization in the Two-Sublattice Magnet Nanodot. In: Metallophysics and New Technologies, 2004, 1423-1430 |
| 2004 | Denis D. Sheka, Ivan A. Yastremsky, Boris A. Ivanov, Gary M. Wysin, Franz G. Mertens: Amplitudes for magnon scattering by vortices in two-dimensional weakly easy-plane ferromagnets. In: Physical Review B, 2004, 054429 |
| 2004 | Juan P. Zagorodny, Yuri Gaididei, Denis D. Sheka, Jean-Guy Caputo, Franz G. Mertens: Importance of the Internal Shape Mode in Magnetic Vortex Dynamics. In: Physical Review Letters, 2004, 167201 |
| 2003 | Denis Sheka, Boris Ivanov, Franz G. Mertens: Generalized Levinson theorem for singular potentials in two dimensions. In: Physical Review A, 2003, 012707 |
| 2003 | Elena G. Galkina, Boris A. Ivanov, Vladimir M. Murav'ev, Denis D. Sheka: Soliton-Magnon Scattering and Effective Equation of Soliton Motion in Isotropic Magnets. In: The Physics of Metals and Metallography, 2003, 68-79 |
| 2001 | Denis D. Sheka, Boris A. Ivanov, Franz G. Mertens: Internal modes and magnon scattering on topological solitons in two-dimensional easy-axis ferromagnets. In: Physical Review B, 2001, 024432 |