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相关论文: Current-driven skyrmionium in a frustrated magneti…

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When magnetic skyrmions are moved via currents, they do not strictly travel along the path of the current, instead their motion also gains a transverse component. This so-called skyrmion Hall effect can be detrimental in potential skyrmion…

介观与纳米尺度物理 · 物理学 2022-01-27 Jonas Spethmann , Elena Y. Vedmedenko , Roland Wiesendanger , André Kubetzka , Kirsten von Bergmann

Magnetic skyrmions are topologically stable spin swirling particle like entities which are appealing for next generation spintronic devices. The expected low critical current density for the motion of skyrmions makes them potential…

Magnetic skyrmions are stable topological solitons with complex non-coplanar spin structures. Their nanoscopic size and the low electric currents required to initiate and control their motion has opened a new field of research, skyrmionics,…

Magnetic skyrmions are localized topological excitations that behave as particles and can be mobile, with great potential for novel data storage devices. In this work, the current-induced dynamics of large skyrmion bubbles is studied. When…

Magnetic skyrmions are swirling magnetic textures with novel characteristics suitable for future spintronic and topological applications. Recent studies confirmed the room-temperature stabilization of skyrmions in ultrathin ferromagnets.…

Magnetic skyrmions present interesting physics due to their topological nature and hold significant promise for future information technologies. A key barrier to realizing skyrmion devices has been stabilizing these spin structures under…

Magnetic skyrmions are topologically protected spin textures known for their robustness against perturbations. Their topological stability makes them robust information carriers, ideal for tackling a key challenge in quantum computing:…

量子物理 · 物理学 2026-01-19 Haowen Yang , Gerald Bissell , Han Zhong , Peter Van Kirk , Tiger Cao , Pengcheng Lu , Yingying Wu

Magnetic skyrmions are topologically stable nanoscale particle-like objects that were discovered in 2009. Since that time, intense research interest has led to the identification of numerous compounds that support skyrmions over a range of…

介观与纳米尺度物理 · 物理学 2024-04-23 C. Reichhardt , C. J. O. Reichhardt , M. V. Milosevic

Skyrmions, topologically stable magnetic solitons characterized by whirling magnetization in nanoscale magnetic elements, show promise information carriers in spintronics and spin-based quantum computing due to their unique properties:…

介观与纳米尺度物理 · 物理学 2024-11-08 Suyeong Jeong , Dae-Han Jung , Hee-Sung Han , Ganghwi Kim , Myeonghwan Kang , Mi-Young Im , Younggun Park , Ki-Suk Lee

Recently, there has been substantial interest in realizations of skyrmions, in particular in 2D systems due to increased stability resulting from reduced dimensionality. A stable skyrmion, representing the smallest realizable magnetic…

介观与纳米尺度物理 · 物理学 2016-03-02 Utkan Güngördü , Rabindra Nepal , Oleg A. Tretiakov , Kirill Belashchenko , Alexey A. Kovalev

The influence of the geometrical curvature of chiral magnetic films on the static and dynamic properties of hosted skyrmions are studied theoretically. We predict the effects of the curvature-induced drift of skyrmions under the action of…

强关联电子 · 物理学 2022-03-14 Kostiantyn V. Yershov , Attila Kakay , Volodymyr P. Kravchuk

Magnetic skyrmions are particle-like textures in the magnetization, characterized by a topological winding number. Nanometer-scale skyrmions have been observed at room temperature in magnetic multilayer structures. The combination of small…

强关联电子 · 物理学 2017-02-14 Jan Müller

Magnetic skyrmions are particle-like topological spin configurations, which can carry binary information and thus are promising building blocks for future spintronic devices. In this work, we investigate the relationship between the…

应用物理 · 物理学 2020-03-25 Xue Liang , Xichao Zhang , Jing Xia , Motohiko Ezawa , Yuelei Zhao , Guoping Zhao , Yan Zhou

Magnetic skyrmion, a swirling spin texture, in chiral magnets is characterized by (i) nano-scale size ($\sim$1nm -- 100nm), (ii) topological stability, and (iii) gyro-dynamics. These features are shown to be advantageous for (a)…

介观与纳米尺度物理 · 物理学 2015-06-23 W. Koshibae , Y. Kaneko , J. Iwasaki , M. Kawasaki , Y. Tokura , N. Nagaosa

To exploit nanometric magnetic skyrmions as information carriers in high-density storage devices, a method is needed that creates intended number of skyrmions at specified places in the device preferably at a low energy cost. We…

介观与纳米尺度物理 · 物理学 2018-09-13 Masahito Mochizuki

We investigate the torque field and skyrmion movement at an interface between a ferromagnet hosting a skyrmion and a material with strong spin-orbit interaction. We analyze both semiconductor materials and topological insulators using a…

介观与纳米尺度物理 · 物理学 2022-08-08 Javier Osca , Bart Sorée

Future spintronic devices based on skyrmions will require precise control of the skyrmion motion. We show that this goal can be achieved through the use of magnetic antidot arrays. With micromagnetic simulations and semi-analytical…

介观与纳米尺度物理 · 物理学 2020-11-25 J. Feilhauer , S. Saha , J. Tobik , M. Zelent , L. J. Heyderman , M. Mruczkiewicz

Magnetic skyrmions are topological magnetic spin structures exhibiting particle-like behaviour. They are of strong interest from a fundamental viewpoint and for application, where they have potential to act as information carriers in future…

Magnetic skyrmions are topologically non-trivial nanoscale objects. Their topology, which originates in their chiral domain wall winding, governs their unique response to a motion-inducing force. When subjected to an electrical current, the…

Current-driven magnetic skyrmions show promise as carriers of information bits in racetrack magnetic memory applications. Specifically, the utilization of skyrmions in synthetic antiferromagnetic (SAF) systems is highly attractive due to…

介观与纳米尺度物理 · 物理学 2024-05-20 Dimitris Kechrakos , Mario Carpentieri , Anna Giordano , Riccardo Tomasello , Giovanni Finocchio