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Related papers: Multifarious skyrmion phases on a trilayer triangu…

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We consider multiskyrmion configurations in 2D ferromagnets with Dzyaloshinskii-Moriya (DM) interaction and the magnetic field, using the stereographic projection method. In the absence of DM interaction, $D$, and the field, $B$, the…

Strongly Correlated Electrons · Physics 2019-02-20 V. E. Timofeev , A. O. Sorokin , D. N. Aristov

Magnetic skyrmions have been proposed as promising candidates for storing information due to their high stability and easy manipulation by spin-polarized currents. Here, we study how these properties are influenced by the interlayer…

Mesoscale and Nanoscale Physics · Physics 2026-02-19 Tim Matthies , Levente Rózsa , Roland Wiesendanger , Elena Y. Vedmedenko

Chirality is an inherent characteristics of some objects in nature. In magnetism chiral magnetic textures can be formed in systems with broken inversion symmetry and due to an antisymmetric magnetic interaction, known as…

Strongly Correlated Electrons · Physics 2025-07-02 Khalil Zakeri , Albrecht von Faber , Sergiy Mankovsky , Hubert Ebert

We present an analytical theory to describe three-dimensional magnetic textures in perpendicularly magnetized magnetic multilayers that arise in the presence of magnetostatic interactions and the Dzyaloshinskii-Moriya interaction (DMI). We…

Materials Science · Physics 2018-09-06 Ivan Lemesh , Geoffrey S. D. Beach

We have developed a sensitive technique to probe the magnetic skyrmion phases and dynamics by employing the interfacial coupling effect in a magnetoelectric composite configuration. The study on a MnSi single crystal sample using this…

Materials Science · Physics 2021-09-29 Yisheng Chai , Peipei Lu , Haifeng Du , Jianxin Shen , Yinina Ma , Kun Zhai , Le Wang , Youguo Shi , Hang Li , Wenhong Wang , Young Sun

We analyze magnetic properties of monolayers and bilayers of chromium trihalides, CrI$_3$, in two different stacking configurations: AA and rhombohedral ones. Our main focus is on the corresponding Curie temperatures, hysteresis curves,…

Mesoscale and Nanoscale Physics · Physics 2024-04-25 S. Stagraczynski , P. Balaz , M. Jafari , J. Barnas , A. Dyrdal

A skyrmion crystal has internal degrees of freedom in terms of vorticity and helicity, which gives rise to fascinating types of skyrmion phases (N\'eel, Bloch, and anti-skyrmion). We show how the degeneracy lifting in tetragonal skyrmion…

Strongly Correlated Electrons · Physics 2020-09-16 Satoru Hayami , Ryota Yambe

Magnetic skyrmions are promising candidates for the next generation of spintronic devices due to their small size and topologically protected structure. One challenge for using these magnetic states in applications lies on controlling the…

Mesoscale and Nanoscale Physics · Physics 2018-10-19 J. Brandão , D. A. Dugato , R. L. Seeger , J. C. Denardin , T. J. A. Mori , J. C. Cezar

We report our theoretical results on the emergence of rectangular- and square-shaped magnetic skyrmion crystals on a centrosymmetric square lattice with magnetic anisotropy. By performing the simulated annealing for a frustrated spin model…

Mesoscale and Nanoscale Physics · Physics 2022-06-10 Satoru Hayami

Magnetic skyrmions have been the subject of extensive experimental studies in ferromagnetic thin films and multilayers, revealing a diversity in their size, stability and internal structure. While the orthodox skyrmion theory focuses on the…

Materials Science · Physics 2020-01-22 Anne Bernand-Mantel , Cyrill B. Muratov , Thilo M. Simon

We determine the Dzyaloshinskii-Moriya interaction within and between two magnetic cobalt layers separated by a non-magnetic spacer through ab initio calculations. We investigate different materials for the non-magnetic layer, focusing on…

Materials Science · Physics 2024-08-29 Tim Matthies , Levente Rózsa , László Szunyogh , Roland Wiesendanger , Elena Y. Vedmedenko

We study phase transitions in the two-dimensional Heisenberg model with the Dzyaloshinskii-Moriya interaction, the Ising anisotropy ($\eta$), and the dipolar interaction under zero and finite magnetic fields ($H$). For three typical…

Statistical Mechanics · Physics 2021-06-03 Hisato Komatsu , Yoshihiko Nonomura , Masamichi Nishino

Magnetic skyrmions widely exist in a diverse range of magnetic systems, including chiral magnets with a non-centrosymmetric structure characterized by Dzyaloshinkii-Moriya interaction~(DMI). In this study, we propose a generalized…

Numerical Analysis · Mathematics 2023-04-13 Panchi Li , Shuting Gu , Jin Lan , Jingrun Chen , Weiqing Ren , Rui Du

Thin magnetic films with Dzyaloshinskii-Moriya interactions are known to host skyrmion crystals, which typically have a hexagonal lattice structure. We investigate skyrmion-lattice configurations in synthetic antiferromagnets, i.e., a…

Mesoscale and Nanoscale Physics · Physics 2019-08-14 Etienne van Walsem , Rembert A. Duine , Juriaan Lucassen , Reinoud Lavrijsen , Henk J. M. Swagten

We study the effects of an in-plane Dzyaloshinskii-Moriya interaction under an external magnetic field in the highly frustrated kagome antiferromagnet. We focus on the low-temperature phase diagram, which we obtain through extensive…

Strongly Correlated Electrons · Physics 2019-12-11 M. E. Villalba , F. A. Gómez Albarracín , H. D. Rosales , D. C. Cabra

The magnetic and dielectric properties of the multiferroic triangular lattice magnet compound alpha-NaFeO2 were studied by magnetization, specific heat, dielectric permittivity, and pyroelectric current measurements and by neutron…

We numerically investigate the stabilization mechanisms of skyrmion crystals under thermal fluctuations and external magnetic field in itinerant centrosymmetric tetragonal magnets. By adopting an efficient steepest descent method with a…

Strongly Correlated Electrons · Physics 2023-07-20 Satoru Hayami , Yasuyuki Kato

Magnetic skyrmions are promising candidates for information and storage technologies. In the last years, magnetic multilayer systems have been tuned to enable room-temperature skyrmions, stable even in the absence of external magnetic…

Electrons in metals experience an effective vector potential when coupled to spin textures with non-zero scalar spin chirality, such as skyrmions. This coupling can generate a substantial field, leading to pronounced observable phenomena,…

Strongly Correlated Electrons · Physics 2025-04-14 Muhammad Akram , Onur Erten

The noncollinear spin textures provide promising avenues to stabilize exotic magnetic phases and excitations. They have attracted vast attention owning to their nontrivial band topology in the past decades. Distinct from the conventional…

Strongly Correlated Electrons · Physics 2024-05-10 Ken Chen , Qiang Luo , Bin Xi , Hong-Gang Luo , Jize Zhao