English
Related papers

Related papers: Device geometry dependent deterministic skyrmion g…

200 papers

We show that the presence of a localized curvilinear defect drastically changes magnetic properties of a thin perpendicularly magnetized ferromagnetic film. For a large enough defect amplitude a discrete set of equilibrium magnetization…

Synthetic antiferromagnetic (SAF) skyrmions have emerged as promising candidates for next-generation high-speed and highly integrated spintronic devices, owing to their exceptional properties such as high driving velocity, nanoscale…

Mesoscale and Nanoscale Physics · Physics 2025-11-24 Xinbao Geng , Guanqi Li , Zhongxiang Zhang , Wenjing Hu , Wenjing Zhong , Xiaoming Xiong , Yongbing Xu , Zhendong Chen , Junlin Wang , Xiangyu Zheng , Jing Wu

We propose a framework to construct a real-space spin model based on the inverse Hamiltonian design. The method provides an efficient way of realizing unconventional topological spin textures by optimizing the interaction parameters. In…

Strongly Correlated Electrons · Physics 2025-05-01 Kazuki Okigami , Satoru Hayami

Defects, i.e. inhomogeneities of the underlying lattice, are ubiquitous in magnetic materials and can have a crucial impact on their applicability in spintronic devices. For magnetic skyrmions, localized and topologically non-trivial spin…

Materials Science · Physics 2023-04-26 Philipp Rieger , Markus Weißenhofer , Ulrich Nowak

Magnetic domain walls in antiferromagnets have been proposed as key components for faster conventional information processing, thanks to their enhanced stability and ultrafast propagation. However, how non-conventional computing methods…

Wave-based platforms for novel unconventional computing approaches like neuromorphic computing require a well-defined, but adjustable flow of wave information combined with non-volatile data storage elements to implement weights which allow…

Mesoscale and Nanoscale Physics · Physics 2025-05-19 H. Mortada , R. Verba , Q. Wang , P. Pirro , A. Hamadeh

Integrating topologically stabilized magnetic textures such as skyrmions as nanoscale information carriers into future technologies requires the reliable control by electric currents. Here, we uncover that the relevant skyrmion Hall effect,…

We investigate the skyrmion formation process in nano-structured FeGe Hall-bar devices by measurements of topological Hall effect, which extracts the winding number of a spin texture as an emergent magnetic field. Step-wise profiles of…

Strongly Correlated Electrons · Physics 2015-06-23 N. Kanazawa , M. Kubota , A. Tsukazaki , Y. Kozuka , K. S. Takahashi , M. Kawasaki , M. Ichikawa , F. Kagawa , Y. Tokura

Skyrmions are widely regarded as promising candidates for emergent spintronic devices. Dzyaloshinskii-Moriya interaction (DMI) is often critical to the generation and manipulation of skyrmions. However, there is a fundamental lack of…

Materials Science · Physics 2020-07-07 Priyamvada Jadaun , Leonard F Register , Sanjay K Banerjee

Magnetic skyrmion, i.e. a topologically stable swirling spin texture, appears as a particle-like object in the two-dimensional (2D) systems, and has recently attracted attention as a candidate of novel information carrier. In the real…

Strongly Correlated Electrons · Physics 2022-02-16 S. Seki , M. Suzuki , M. Ishibashi , R. Takagi , N. D. Khanh , Y. Shiota , W. Koshibae , Y. Tokura , T. Ono

Skyrmions, topologically stable spin textures, are of great interest for new generations of spintronic devices. In general, the stabilization of skyrmions has been achieved in systems with broken inversion symmetry, where the asymmetric…

Magnetic skyrmions are magnetic textures with topological protection, which are expected to be information carriers in future spintronic devices. In this work, we propose a scheme to implement hybrid magnetic skyrmions (HMS) in…

Applied Physics · Physics 2023-04-27 Y. Liu , T. T. Liu , Z. P. Hou , D. Y. Chen , Z. Fan , M. Zeng , X. B. Lu , X. S. Gao , M. H. Qin , J. M. Liu

Magnetic skyrmions are two-dimensional non-collinear spin textures characterised by an integer topological number. They commonly crystallise at low temperatures in bulk noncentrosymmetric ferromagnets where the lack of inversion symmetry…

Magnetic skyrmions can be considered as topologically protected localized vortex-like spin textures. Due to their stability, their small size, and the possibility to move them by low electric currents they are promising candidates for…

Mesoscale and Nanoscale Physics · Physics 2017-07-05 Martin Stier , Wolfgang Häusler , Thore Posske , Gregor Gurski , Michael Thorwart

Magnetic skyrmions are fascinating topological particle-like textures promoted by a trade-off among interfacial properties (perpendicular anisotropy and Dzyaloshinskii-Moriya interaction (DMI)) and dipolar interactions. Depending on the…

Mesoscale and Nanoscale Physics · Physics 2023-05-17 R. Tomasello , Z. Wang , E. Raimondo , S. Je , M. Im , M. Carpentieri , W. Jiang , G. Finocchio

The interfacial Dzyaloshinskii-Moriya interaction (DMI) in the ferromagnetic/heavy metal ultra-thin film structures , has attracted a lot of attention thanks to its capability to stabilize Neel-type domain walls (DWs) and magnetic skyrmions…

Magnetic skyrmions, topologically nontrivial whirling spin textures at nanometer scales, have emerged as potential information carriers for spintronic devices. The ability to efficiently create and erase magnetic skyrmions is vital yet…

Materials Science · Physics 2024-03-27 Ze-quan Wang , Feng Xue , Liang Qiu , Zhe Wang , Ruqian Wu , Yusheng Hou

Controlled movement of nano-scale stable magnetic objects has been proposed as the foundation for a new generation of magnetic storage devices. Magnetic skyrmions, vortex-like spin textures stabilized by their topology are particularly…

Strongly Correlated Electrons · Physics 2017-11-27 Yongkang Luo , Shizeng Lin , M. Leroux , N. Wakeham , D. M. Fobes , E. D. Bauer , J. B. Betts , J. D. Thompson , A. Migliori , M. Janoschek , Boris Maiorov

Magnetic domain walls are information tokens in both logic and memory devices, and hold particular interest in applications such as neuromorphic accelerators that combine logic in memory. Here, we show that devices based on the electrical…

Disordered Systems and Neural Networks · Physics 2020-01-03 Saima A Siddiqui , Sumit Dutta , Astera Tang , Luqiao Liu , Caroline A Ross , Marc A Baldo

We analyze the effects of lateral device size and magnetic material parameters on the ferromagnetic resonance (FMR) response. Results presented are directly relevant to widely used FMR experimental techniques for extracting magnetic…

Mesoscale and Nanoscale Physics · Physics 2013-01-01 Kwaku Eason , Maria Sabino , Michael Tran , Yun Fook Liew
‹ Prev 1 8 9 10 Next ›