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Related papers: Neel Skyrmion interactions derived by their arrang…

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Ne\'el skyrmions originate from interfacial Dzyaloshinskii Moriya interaction (DMI). Recent studies have explored using ferromagnet to host Ne\'el skyrmions for device applications. However, challenges remain to reduce the size of skyrmion…

Mesoscale and Nanoscale Physics · Physics 2018-06-19 Marco Chung Ting Ma , Yunkun Xie , Howard Sheng , S. Joseph Poon , Avik Ghosh

Ne\'el skyrmions originate from interfacial Dzyaloshinskii Moriya interaction (DMI). Recent studies have explored using thin-film ferromagnets and ferrimagnets to host Ne\'el skyrmions for spintronic applications. However, it is unclear if…

Mesoscale and Nanoscale Physics · Physics 2019-07-02 Chung Ting Ma , Yunkun Xie , Howard Sheng , Avik W. Ghosh , S. Joseph Poon

Interaction of two skyrmions stabilized by the ferromagnetic exchange, Dzyaloshinskii-Moriya interaction (DMI), and external magnetic field has been studied numerically on a 2D lattice of size large compared to the separation, $d$, between…

Mesoscale and Nanoscale Physics · Physics 2025-02-17 Daniel Capic , D. A. Garanin , E. M. Chudnovsky

Magnetic skyrmions exhibit particle-like stability and rich dynamical behaviour arising from their topological nature, making them promising building blocks for future spintronic devices. In this work, we investigate the interaction…

Applied Physics · Physics 2025-12-29 M. Al Busaidi , F. Al Ma'Mari , R. Sbiaa

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

We investigate the dependence of the N\'eel skyrmion size and stability on perpendicular magnetic field in ultrathin circular magnetic dots with out-of-plane anisotropy and interfacial Dzyaloshinskii-Moriya exchange interaction. Our results…

Mesoscale and Nanoscale Physics · Physics 2017-12-20 F. Tejo , A. Riveros , J. Escrig , K. Y. Guslienko , O. Chubykalo-Fesenko

The static and dynamic states of N\'eel skyrmions in ultrathin ferromagnetic films with interfacial Dzyaloshinskii-Moriya interaction (DMI) have been micromagnetically simulated as functions of the interfacial DMI strength and applied…

Mesoscale and Nanoscale Physics · Physics 2017-06-02 Vanessa Li Zhang , Chen Guang Hou , Kai Di , Hock Siah Lim , Ser Choon Ng , Shawn David Pollard , Hyunsoo Yang , Meng Hau Kuok

An analytical expression for the energy of N\'eel skyrmions in ultra-thin nanodots considering exchange, uniaxial anisotropy, Dzyaloshinskii-Moriya, and dipolar contributions has been obtained. In particular, we have proposed for the N\'eel…

Mesoscale and Nanoscale Physics · Physics 2017-09-13 N Vidal-Silva , A Riveros , J Escrig

A detailed analytic and numerical analysis of the interaction between two bubble skyrmions has been carried out. Results from micromagnetic calculations show a strong dependence of the parameters of the skyrmion magnetic profile as a…

Mesoscale and Nanoscale Physics · Physics 2019-07-29 M. A. Castro , D. Mancilla-Almonacid , J. A. Valdivia , S. Allende

A magnetic skyrmion is a topological object that can exist as a solitary embedded in the vast ferromagnetic phase, or coexists with a group of its "siblings" in various stripy phases as well as skyrmion crystals (SkXs). Isolated skyrmions…

Mesoscale and Nanoscale Physics · Physics 2021-03-25 H. T. Wu , X. C. Hu , K. Y. Jing , X. R. Wang

It is shown that a term in the form of Dzyaloshinskii-Moriya interaction (DMI) contributes to the free energy of a ferromagnetic (FM) film on a paramagnetic (PM) (an FM above the critical temperature, Tc) or superconducting (SC) substrate…

Mesoscale and Nanoscale Physics · Physics 2023-05-24 M. A. Kuznetsov , K. R. Mukhamatchin , A. A. Fraerman

A combined approach using first-principles calculations and spin dynamics simulations is applied to study Ni/Ir$_{n}$/Pt(111) ($n=0,1,2$) films. The lowest-energy states are predicted to be spin-spirals but with a minute (of the order of a…

Materials Science · Physics 2021-11-23 P. C. Carvalho , I. P. Miranda , A. B. Klautau , A. Bergman , H. M. Petrilli

Recent studies have shown that material structures, which lack structural inversion symmetry and have high spin-orbit coupling can exhibit chiral magnetic textures and skyrmions which could be a key component for next generation storage…

We present a combined analytical and numerical micromagnetic study of the equilibrium energy, size and shape of anti-skyrmionic magnetic configurations. Anti-skyrmions can be stabilized when the Dzyaloshinskii-Moriya interaction has…

Materials Science · Physics 2018-04-18 Lorenzo Camosi , Nicolas Rougemaille , Olivier Fruchart , Jan Vogel , Stanislas Rohart

We study the modification of micromagnetic configurations in nanostructures, due to the Dzyaloshinskii-Moriya interaction (DMI) that appear at the interface of an ultrathin film. We show that this interaction leads to new micromagnetic…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 S. Rohart , A. Thiaville

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 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

Collective spin ensembles known as skyrmion bubbles can exist in ultrathin magnetic film heterostructures and promise miniscule diameters and low-power all-electrical manipulation. The nucleation, identification and manipulation of…

We have performed micromagnetic simulations to study the formation of skyrmions in ferromagnetic elements with different shapes having perpendicular anisotropy. The strength of Dzyaloshinskii-Moriya interaction (D) and uniaxial anisotropy…

Mesoscale and Nanoscale Physics · Physics 2021-10-06 Aroop Kumar Behera , Swapna Sindhu Mishra , Sougata Mallick , Braj Bhusan Singh , Subhankar Bedanta

Motivated by experimental findings in [ 1 ] and [ 2 ], we find an elliptical skyrmion can be nucleated in a material with a Dzyaloshinskii-Moriya interaction (DMI) that supports antiskyrmions. The DMI favors the elongation of the skyrmion…

Mesoscale and Nanoscale Physics · Physics 2022-09-14 Daniel Capic
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