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相关论文: Controlling the Skyrmion Density and Size for Quan…

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Theory of interference-induced quantum corrections to conductivity is developed for two dimensional systems with chiral spin textures including skyrmions. The effect of exchange interaction between electrons and spin textures on weak…

介观与纳米尺度物理 · 物理学 2019-07-24 K. S. Denisov , L. E. Golub

We discuss the contribution of magnetic Skyrmions to the Hall viscosity and propose a simple way to identify it in experiments. The topological Skyrmion charge density has a distinct signature in the electric Hall conductivity that is…

强关联电子 · 物理学 2017-12-22 Bom Soo Kim

Skyrmions are spin-swirling textures hosting wonderful properties with potential implications in information technology. Such magnetic particles carry a magnetization, whose amplitude is crucial to establish them as robust magnetic bits,…

材料科学 · 物理学 2023-12-12 Imara Lima Fernandes , Samir Lounis

The growing market and massive use of Internet of Things nodes is placing unprecedented demands of energy efficient hardware for edge computing and microwave devices. In particular, magnetic tunnel junctions (MTJs), as main building blocks…

Magnetic skyrmions, the topological states possessing chiral magnetic structure with nontrivial topology, have been widely investigated as a promising candidate for spintronic devices. They can also couple with superconducting vortices to…

超导电性 · 物理学 2024-10-22 Yong-Jie Xie , Ang Qian , Bin He , Yu-Biao Wu , Sheng Wang , Bing Xu , Guoqiang Yu , Xiufeng Han , X. G. Qiu

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…

介观与纳米尺度物理 · 物理学 2018-10-19 J. Brandão , D. A. Dugato , R. L. Seeger , J. C. Denardin , T. J. A. Mori , J. C. Cezar

To enable the practical use of skyrmion-based devices, it is essential to achieve a balance between energy efficiency and thermal stability, while also ensuring reliable electrical detection against noise. Understanding how a skyrmion…

介观与纳米尺度物理 · 物理学 2023-08-21 Kang Wang , Yiou Zhang , Vineetha Bheemarasetty , See-Chen Ying , Gang Xiao

To enable functional skyrmion based spintronic devices, the controllable generation and manipulation of skyrmions is essential. While the generation of skyrmions by using a magnetic geometrical constriction has already been demonstrated,…

Magnetic skyrmions are topologically non-trivial spin structure, and their existence in ferromagnetically coupled multilayers has been reported with disordered arrangement. In these multilayers, the heavy metal spacing layers provide an…

We employ a self-consistent simulation approach based on quantum physics here to study the magnetism of antiferromagnetic skyrmions formed on manolayer nanodisk planes. We find that if the disk is small and the Dzyaloshinsky-Moriya (DM)…

介观与纳米尺度物理 · 物理学 2020-08-13 Zhaosen Liu , Hou Ian

Skyrmions refer to small swirling spin structures that emerge in ferromagnetic materials and show promising features to be used as a `bit' of information in future spintronic devices. Our research explores the possibility of nucleating…

材料科学 · 物理学 2024-12-31 Tamali Mukherjee , Banasree Sadhukhan , V Satya Narayana Murthy

Skyrmions are important in topological quantum field theory for being soliton solutions of a nonlinear sigma model and in information technology for their attractive applications. Skyrmions are believed to be circular and stripy spin…

介观与纳米尺度物理 · 物理学 2021-01-27 X. R. Wang , X. C. Hu , H. T. Wu

Magnetic skyrmions are particle-like chiral spin textures found in a magnetic film with out-of-planeanisotropy and are considered to be potential candidates as information carriers in next generationdata storage devices. Despite intense…

介观与纳米尺度物理 · 物理学 2020-01-08 S. Saha , M. Zelent , S. Finizio , M. Mruczkiewicz , S. Tacchi , A. K. Suszka , S. Wintz , N. S. Bingham , J. Raabe , M. Krawczyk , L. J. Heyderman

We present a study of the stability of room-temperature skyrmions in [Ir/Fe/Co/Pt] thin film multilayers, using the First Order Reversal Curve (FORC) technique and magnetic force microscopy (MFM). FORC diagrams reveal irreversible changes…

介观与纳米尺度物理 · 物理学 2019-02-26 Nghiep Khoan Duong , M. Raju , A. P. Petrovic , R. Tomasello , G. Finocchio , Christos Panagopoulos

We investigate the quantum depinning of a weakly driven skyrmion out of an impurity potential in a mesoscopic magnetic insulator. For small barrier height, the Magnus force dynamics dominates over the inertial one, and the problem is…

介观与纳米尺度物理 · 物理学 2020-03-05 Christina Psaroudaki , Daniel Loss

We show that magnetic skyrmions can be stabilized at room temperature in continuous Ir/Co/Pt multilayers on SiO2/Si substrate without prior application of electric current or magnetic field. While decreasing the Co thickness, tuning of the…

Liquid crystal skyrmions are topologically protected spatially localized distortions of the director field which are fascinating from both fundamental mathematics and applied physics points of view. Skyrmions are realized in experimental…

软凝聚态物质 · 物理学 2023-04-26 Tomás Alvim , Margarida M. Telo da Gama , Mykola Tasinkevych

Magnetic skyrmions have garnered attention for their potential roles in spintronic applications, such as information carriers in computation, data storage, and nano-oscillators due to their small size, topological stability, and the…

介观与纳米尺度物理 · 物理学 2024-05-20 Rajgowrav Cheenikundil , Zhiwei Lu , Manuel Pereiro , Anna Delin , Danny Thonig

Magnetic Skyrmions belong to the most interesting spin structures for the development of future information technology as they have been predicted to be topologically protected. To quantify their stability, we use an innovative multiscale…

材料科学 · 物理学 2017-07-19 Andrea De Lucia , Kai Litzius , Benjamin Krüger , Oleg A. Tretiakov , Mathias Kläui

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…

介观与纳米尺度物理 · 物理学 2021-03-25 H. T. Wu , X. C. Hu , K. Y. Jing , X. R. Wang