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Competing magnetic interactions may stabilize smooth magnetization textures that can be characterized by a topological winding number. Such textures, which are spatially localized within a two-dimensional plane, are commonly known as…

Mesoscale and Nanoscale Physics · Physics 2025-07-30 Alexander P. Petrović , Christina Psaroudaki , Peter Fischer , Markus Garst , Christos Panagopoulos

Crystallographic lattice defects strongly influence dynamical properties of magnetic materials at both microscopic and macroscopic length scales. A multi-scale approach to magnetisation dynamics, which is presented in this paper, accurately…

Materials Science · Physics 2020-02-05 É. Méndez , M. Poluektov , G. Kreiss , O. Eriksson , M. Pereiro

A stable skyrmion, representing the smallest realizable magnetic texture, could be an ideal element for ultra-dense magnetic memories. Here, we review recent progress in the field of skyrmionics, which is concerned with studies of tiny…

Mesoscale and Nanoscale Physics · Physics 2018-10-01 Alexey A. Kovalev , Shane Sandhoefner

We present a mechanism for deterministic control of the Bloch chirality in magnetic domain walls and skyrmions, originating from the interplay between an interfacial Dzyaloshinskii$-$Moriya interaction (DMI) and a perpendicular magnetic…

Materials Science · Physics 2022-05-04 Michael Kitcher , Larry Chen , Marc De Graef , Vincent Sokalski

Two-dimensional chiral magnets are known to host a variety of skyrmions, characterized by an integer topological charge. However, these systems typically favor uniform lattices as a thermodynamically stable phase composed of either…

Materials Science · Physics 2026-03-18 Sayan Banik , Nikolai S. Kiselev , Ashis K. Nandy

Electric manipulation of skyrmions in 2D magnetic materials has garnered significant attention due to the potential in energy-efficient spintronic devices. In this work, using first-principles calculations and Monte Carlo simulations, we…

Materials Science · Physics 2023-12-11 Jingman Pang , Hongjia Wang , Yufei Tang , Yun Zhang , Laurent Bellaiche

We study inter-skyrmion interactions and stable spin configurations in a 2D chiral magnet with in-plane anisotropies of a tilted magnetic field and the magneto-crystalline anisotropy on a (011) thin film. We find that in both cases a small…

Mesoscale and Nanoscale Physics · Physics 2021-12-15 Mai Kameda , Rio Koyama , Takuro Nakajima , Yuki Kawaguchi

Nanoscale magnetic skyrmions are considered as potential information carriers for future spintronics memory and logic devices. Such applications will require the control of their local creation and annihilation, which involves so far…

Materials Science · Physics 2017-06-07 M. Schott , A. Bernand-Mantel , L. Ranno , S. Pizzini , J. Vogel , H. Béa , C. Baraduc , S. Auffret , G. Gaudin , D. Givord

In magnetism, skyrmions correspond to classical three-dimensional spin textures characterized by a topological invariant that keeps track of the winding of the magnetization in real space, a property that cannot be easily generalized to the…

Strongly Correlated Electrons · Physics 2022-01-04 O. M. Sotnikov , V. V. Mazurenko , J. Colbois , F. Mila , M. I. Katsnelson , E. A. Stepanov

The elementary excitations of skyrmion crystals experience both emergent magnetic fields and anharmonic interactions brought about by the topologically nontrivial noncollinear texture. The resulting flat bands cause strong spontaneous…

Strongly Correlated Electrons · Physics 2020-09-30 Alexander Mook , Jelena Klinovaja , Daniel Loss

The recently realized multicomponent Bose-Einstein condensates provide opportunities to explore the rich physics brought about by the spin degrees of freedom. For instance, we can study spin waves and phase separation, macroscopic quantum…

Condensed Matter · Physics 2007-05-23 U. Al Khawaja , H. T. C. Stoof

Magnetic skyrmions with topologically nontrivial spin textures form a variety of periodic structures depending on microscopic interactions and lattice symmetry. We theoretically investigate a transformation between triangular and square…

Strongly Correlated Electrons · Physics 2024-12-06 Satoru Hayami

The skyrmion racetrack is a promising concept for future information technology. There, binary bits are carried by nanoscale spin swirls -- skyrmions -- driven along magnetic strips. Stability of the skyrmions is a critical issue for the…

Mesoscale and Nanoscale Physics · Physics 2017-10-03 P. F. Bessarab , G. P. Müller , I. S. Lobanov , F. N. Rybakov , N. S. Kiselev , H. Jónsson , V. M. Uzdin , S. Blügel , L. Bergqvist , A. Delin

Recent developments in the magnetization dynamics in spin textures, particularly skyrmions, offer promising new directions for magnetic storage technologies and spintronics. Skyrmions, characterized by their topological protection and…

Materials Science · Physics 2024-08-21 Satadeep Bhattacharjee , Seung-Cheol Lee

We study the transformation properties of the electron states in crystals with spin-orbit coupling, focusing primarily on the limitations of the frequently used pseudospin-1/2 description of twofold degenerate Bloch bands. Using the…

Strongly Correlated Electrons · Physics 2019-06-26 K. V. Samokhin

Magnetic skyrmions are intriguing topological spin textures that have attracted great attention due to their potential for future spintronic devices. Skyrmions have so far been explored in different magnetic materials, such as ferromagnets,…

Magnetic skyrmions are topologically protected local magnetic solitons that are promising for storage, logic or general computing applications. In this work, we demonstrate that we can use a skyrmion device based on [W/CoFeB/MgO] 1 0…

Magnetic skyrmions are swirling spin textures with topologically protected noncoplanarity. Recently, skyrmions with the topological number of unity have been extensively studied in both experiment and theory. We here show that a skyrmion…

Strongly Correlated Electrons · Physics 2018-10-24 Ryo Ozawa , Satoru Hayami , Yukitoshi Motome

Magnetic skyrmions, a topologically stable spin swirling object, have attracted a great interest due to their potential applications in future spintronics and ultra high dense magnetic memory devices. Cu$_2$OSeO$_3$ is only known insulating…

Strongly Correlated Electrons · Physics 2019-11-06 Harish Chandr Chauhan , Birendra Kumar , Jeetendra Kumar Tiwari , Subhasis Ghosh

Skyrmions are chiral magnetic textures that have immense potential for applications in spintronic devices. However, their formation is quite challenging and necessitates a subtle balance of the magnetic interactions at play. Here, we study…