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Related papers: Design Rules for DMI-Stabilised Skyrmions

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Magnetic skyrmions are topological solitons that exhibit an increased stability against annihilation, and can be displaced with low current densities, making them a promising candidate as an information carrier. In order to demonstrate a…

A spin texture called skyrmion has been recently observed in certain chiral magnets without inversion symmetry. The observed skyrmions are extended objects with typical linear sizes of 10 nm to 100 nm that contain $10^3$ to $10^5$ spins and…

Strongly Correlated Electrons · Physics 2014-01-24 Shi-Zeng Lin , Cristian D. Batista , Avadh Saxena

Magnetic skyrmions are chiral spin structures with non-trivial topology that comprise two-dimensional quasi-particles and are promising information carriers for data storage and processing devices. Skyrmion lattices in magnetic thin films…

We show that thermal stability of magnetic skyrmions can be strongly affected by entropic effects. The lifetimes of isolated skyrmions in atomic Pd/Fe bilayers on Ir(111) and on Rh(111) are calculated in the framework of harmonic transition…

Mesoscale and Nanoscale Physics · Physics 2019-03-06 Stephan von Malottki , Pavel F. Bessarab , Soumyajyoti Haldar , Anna Delin , Stefan Heinze

When two magnetic skyrmions - whirl-like, topologically protected quasiparticles - form a bound pair, a biskyrmion state with a topological charge of $N_\mathrm{Sk}=\pm 2$ is constituted. Recently, especially the case of two partially…

Strongly Correlated Electrons · Physics 2019-07-03 Börge Göbel , Jürgen Henk , Ingrid Mertig

The presence of interfacial Dzyaloshinskii-Moriya interaction (DMI) may lead to the appearance of N\'eel skyrmions in ferromagnetic films. These topologically protected structures, whose diameter is as small as a few nanometers, can be…

Mesoscale and Nanoscale Physics · Physics 2022-03-23 Mattia Bassotti , Raffaele Silvani , Giovanni Carlotti

Ferrimagnetic skyrmions offer enhanced tunability due to antiferromagnetically coupled sublattices and reduced net magnetization. In chiral magnetic films at zero magnetic field, skyrmion stability is commonly characterized by a…

Mesoscale and Nanoscale Physics · Physics 2026-04-27 M. V. Wijethunga , X. R. Wang

Ferrimagnetic alloy thin films that exhibit perpendicular (out-of-plane) magnetic anisotropy (PMA) with low saturation magnetization, such as GdCo and Mn4N, were predicted to be favorable for hosting small Neel skyrmions for room…

Materials Science · Physics 2024-06-12 W. Zhou , C. T. Ma , T. Q. Hartnett , P. V. Balachandran , S. J. Poon

Skyrmions, topologically-protected nanometric spin vortices, are being investigated extensively in various magnets. Among them, many of structurally-chiral cubic magnets host the triangular-lattice skyrmion crystal (SkX) as the…

Strongly Correlated Electrons · Physics 2017-12-19 K. Karube , J. S. White , N. Reynolds , J. L. Gavilano , H. Oike , A. Kikkawa , F. Kagawa , Y. Tokunaga , H. M. Rønnow , Y. Tokura , Y. Taguchi

Polar bubble domains are complex topological defects akin to magnetic skyrmions that can spontaneously form in ferroelectric thin films and superlattices. They can be deterministically written and deleted and exhibit a set of properties,…

Materials Science · Physics 2023-03-27 S. Prokhorenko , Y. Nahas , Q. Zhang , V. Govinden , N. Valanoor , L. Bellaiche

Interfacial mixing of elements is a well-known phenomenon found in thin film deposition. For thin-film magnetic heterostructures, interfacial compositional inhomogeneities can have drastic effects on the resulting functionalities. As such,…

Materials Science · Physics 2022-08-25 Chung T. Ma , Wei Zhou , Brian J. Kirby , S. Joseph Poon

Magnetic skyrmions hold promise for spintronic devices. To explore the dynamical properties of skyrmions in devices, a nanoscale method to image spin textures in response to a stimulus is essential. Here, we apply a technique for operando…

Mesoscale and Nanoscale Physics · Physics 2021-02-03 Albert M. Park , Zhen Chen , Xiyue S. Zhang , Lijun Zhu , David A. Muller , Gregory D. Fuchs

Transition-metal interfaces and multilayers are a very promising class of systems to realize nanometer-sized, stable magnetic skyrmions for future spintronic devices. For room temperature applications it is crucial to understand the…

Mesoscale and Nanoscale Physics · Physics 2020-10-28 Souvik Paul , Soumyajyoti Haldar , Stephan von Malottki , Stefan Heinze

Phases of matter are ubiquitous with everyday examples including solids and liquids. In reduced dimensions, particular phases, such as the two-dimensional (2D) hexatic phase and corresponding phase transitions occur. A particularly exciting…

We report that in a $\beta$-Mn-type chiral magnet Co$_9$Zn$_9$Mn$_2$, skyrmions are realized as a metastable state over a wide temperature range, including room temperature, via field-cooling through the thermodynamic equilibrium skyrmion…

Strongly Correlated Electrons · Physics 2017-12-20 K. Karube , J. S. White , D. Morikawa , M. Bartkowiak , A. Kikkawa , Y. Tokunaga , T. Arima , H. M. Rønnow , Y. Tokura , Y. Taguchi

Magnetic solitons are promising for applications due to their intrinsic properties such as small size, topological stability, ultralow power manipulation and potentially ultrafast operations. To date, research has focused on the…

The realization of magnetic skyrmions in two-dimensional (2D) magnets holds great promise for both fundamental research and device applications. Despite recent progress, two-dimensional skyrmion hosts are still limited, due to the fact that…

Materials Science · Physics 2026-02-27 Jingman Pang , Xiaohang Niu , Hong Jian Zhao , Yun Zhang , Laurent Bellaiche

Skyrmions are localized, topologically non-trivial spin structures which have raised high hopes for future spintronic applications. A key issue is skyrmion stability with respect to annihilation into the ferromagnetic state. Energy barriers…

Materials Science · Physics 2017-05-24 S. von Malottki , B. Dupé , P. F. Bessarab , A. Delin , S. Heinze

The current driven motion of skyrmions in MnSi and FeGe thinned single crystals could be initiated at current densities of the order of $10^6$ A/m, five orders of magnitude smaller than for magnetic domain walls. The technologically crucial…

Materials Science · Physics 2016-09-07 Mirko Baćani , Miguel A. Marioni , Johannes Schwenk , Hans J. Hug

Magnetic skyrmions are topological spin textures promising for future high-density and nonvolatile memory. It is crucial to understand the current-driven skyrmion dynamics in the presence of deformation, of which an analytical model,…

Mesoscale and Nanoscale Physics · Physics 2022-01-13 Zehan Chen , Xichao Zhang , Yan Zhou , Qiming Shao