Zobrazeno 1 - 10
of 183
pro vyhledávání: '"Filipp N"'
Autor:
Oleksii M. Volkov, Oleksandr V. Pylypovskyi, Fabrizio Porrati, Florian Kronast, Jose A. Fernandez-Roldan, Attila Kákay, Alexander Kuprava, Sven Barth, Filipp N. Rybakov, Olle Eriksson, Sebastian Lamb-Camarena, Pavlo Makushko, Mohamad-Assaad Mawass, Shahrukh Shakeel, Oleksandr V. Dobrovolskiy, Michael Huth, Denys Makarov
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-13 (2024)
Abstract Additive nanotechnology enable curvilinear and three-dimensional (3D) magnetic architectures with tunable topology and functionalities surpassing their planar counterparts. Here, we experimentally reveal that 3D soft magnetic wireframe struc
Externí odkaz:
https://doaj.org/article/cb736b0f18ee47fa908cdbc2e9c70fa3
Publikováno v:
Frontiers in Physics, Vol 11 (2023)
In magnetic multilayers with perpendicular anisotropy, the competition of short-range and long-range interactions gives rise to the stability of cylindrical magnetic domains, also known as magnetic bubbles. The presence of Dzyaloshinsky-Moriya intera
Externí odkaz:
https://doaj.org/article/df3b08c2412d43d4b0b12b15bd4f8497
Autor:
Vladyslav M. Kuchkin, Nikolai S. Kiselev, Filipp N. Rybakov, Igor S. Lobanov, Stefan Blügel, Valery M. Uzdin
Publikováno v:
Frontiers in Physics, Vol 11 (2023)
Cubic chiral magnets exhibit a remarkable diversity of two-dimensional topological magnetic textures, including skyrmions. However, the experimental confirmation of topological states localized in all three spatial dimensions remains challenging. In
Externí odkaz:
https://doaj.org/article/d46143ebc9d04bc082c4c93b439c6336
Autor:
Qichen Xu, I. P. Miranda, Manuel Pereiro, Filipp N. Rybakov, Danny Thonig, Erik Sjöqvist, Pavel F. Bessarab, Anders Bergman, Olle Eriksson, Pawel Herman, Anna Delin
Publikováno v:
Physical Review Research, Vol 5, Iss 4, p 043199 (2023)
We present a metaheuristic conditional neural-network-based method aimed at identifying physically interesting metastable states in a potential energy surface of high rugosity. To demonstrate how this method works, we identify and analyze spin textur
Externí odkaz:
https://doaj.org/article/69d184e726dd4ed98c433fd517377a57
Publikováno v:
Frontiers in Physics, Vol 11 (2023)
We report tailed skyrmions—a new class of stable soliton solutions of the 2D chiral magnet model. Tailed skyrmions have elongated shapes and emerge in a narrow range of fields near the transition between the spin spirals and the saturated state. We
Externí odkaz:
https://doaj.org/article/f239776476ff4fef81479659e74014ba
Autor:
Filipp N. Rybakov, Nikolai S. Kiselev, Aleksandr B. Borisov, Lukas Döring, Christof Melcher, Stefan Blügel
Publikováno v:
APL Materials, Vol 10, Iss 11, Pp 111113-111113-10 (2022)
Hopfions are an intriguing class of string-like solitons, named according to a classical topological concept classifying three-dimensional direction fields. The search for hopfions in real physical systems has been ongoing for nearly half a century,
Externí odkaz:
https://doaj.org/article/fd2ec3a027584368b6336e5f25d12b35
Autor:
Fengshan Zheng, Filipp N. Rybakov, Nikolai S. Kiselev, Dongsheng Song, András Kovács, Haifeng Du, Stefan Blügel, Rafal E. Dunin-Borkowski
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-7 (2021)
Skyrmions are topological two-dimensional spin textures that in three-dimensional systems resemble strings or tubes. Here, using transmission electron microscopy Zheng et al observe the braiding of skyrmion strings in FeGe and predict this phenomenon
Externí odkaz:
https://doaj.org/article/5943577719c84074bac1634bc473c588
Autor:
Andrii S. Savchenko, Vladyslav M. Kuchkin, Filipp N. Rybakov, Stefan Blügel, Nikolai S. Kiselev
Publikováno v:
APL Materials, Vol 10, Iss 7, Pp 071111-071111-12 (2022)
This work studies the resonance excitations of the three-dimensional skyrmions lattice in the finite thickness plate of an isotropic chiral magnet using spin dynamics simulations. We found that the absorption spectra and resonance modes differ from t
Externí odkaz:
https://doaj.org/article/4ecba40339e04c0889ab28d6eb299786
Autor:
Andrii S. Savchenko, Fengshan Zheng, Nikolai S. Kiselev, Luyan Yang, Filipp N. Rybakov, Stefan Blügel, Rafal E. Dunin-Borkowski
Publikováno v:
APL Materials, Vol 10, Iss 6, Pp 061110-061110-6 (2022)
The diversity of three-dimensional magnetic states in a FeGe nanocylinder is studied using micromagnetic simulations and off-axis electron holography in the transmission electron microscope. In particular, we report the observation of a dipole string
Externí odkaz:
https://doaj.org/article/37a00f9db98c4085b78ee92fc3935c7d
We investigate the behavior of minimizers of perturbed Dirichlet energies supported on a wire generated by a regular simple curve $\gamma$ and defined in the space of $\mathbb{S}^2$-valued functions. The perturbation $K$ is represented by a matrix-va
Externí odkaz:
http://arxiv.org/abs/2407.15430