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Magnetic skyrmions are topologically wound nanoscale textures of spins whose ambient stability and electrical manipulation in multilayer films have led to an explosion of research activities. While past efforts focused predominantly on…

Symmetry breaking together with strong spin-orbit interaction give rise to many exciting phenomena within condensed matter physics. A recent example is the existence of chiral spin textures, which are observed in magnetic systems lacking…

Mesoscale and Nanoscale Physics · Physics 2017-09-26 Wanjun Jiang , Gong Chen , Kai Liu , Jiadong Zang , Suzanne G. E. te Velthuis , Axel Hoffmann

Theoretical investigation demonstrates that the composite bilayer (i.e., chiral-magnetic/ferroelectric bilayer) offers the possibility of electric-induced magnetic Skyrmions [Phys. Rev. B \textbf{94}, 014311 (2016)]. In this Article, we…

Mesoscale and Nanoscale Physics · Physics 2016-08-29 Zidong Wang , Malcolm Grimson

Various phenomena related to inhomogeneous magnetoelectric interaction are considered. The interrelation between spatial modulation of order parameter and electric polarization, known as flexoelectric effect in liquid crystals, in the case…

Materials Science · Physics 2010-01-05 Alexander P. Pyatakov , Anatoly K. Zvezdin

When an electron moves in a smoothly varying non-collinear magnetic structure, its spin-orientation adapts constantly, thereby inducing forces that act on both the magnetic structure and the electron. These forces may be described by…

Strongly Correlated Electrons · Physics 2015-06-04 T. Schulz , R. Ritz , A. Bauer , M. Halder , M. Wagner , C. Franz , C. Pfleiderer , K. Everschor , M. Garst , A. Rosch

We theoretically study equilibrium and dynamic properties of nanosized magnetic skyrmions in thin magnetic films with broken inversion symmetry, where electric field couples to magnetization via spin-orbit coupling. Based on a…

Mesoscale and Nanoscale Physics · Physics 2015-10-21 Pramey Upadhyaya , Guoqiang Yu , Pedram Khalili Amiri , Kang L. Wang

Spin eigenexcitations of skyrmions and related chiral magnetic textures have attracted considerable interest over the recent years owing to their strong potential for applications in information processing and microwave devices. The…

Mesoscale and Nanoscale Physics · Physics 2020-10-13 Martin Lonsky , Axel Hoffmann

We propose a new method to generate magnetic skyrmions through spin-wave focusing in chiral ferromagnets.A lens is constructed to focus spin waves by a curved interface between two ferromagnetic thin films with different perpendicular…

Mesoscale and Nanoscale Physics · Physics 2020-12-04 Zhenyu Wang , Z. -X. Li , Ruifang Wang , Bo Liu , Hao Meng , Yunshan Cao , Peng Yan

Magnetization dynamics driven by an electric field could provide long-term benefits to information technologies because of its ultralow power consumption. Meanwhile, the Dzyaloshinskii-Moriya interaction in interfacially asymmetric…

Mesoscale and Nanoscale Physics · Physics 2019-01-23 Chuang Ma , Xichao Zhang , Jing Xia , Motohiko Ezawa , Wanjun Jiang , Teruo Ono , S. N. Piramanayagam , Akimitsu Morisako , Yan Zhou , Xiaoxi Liu

The dynamics of magnetic skyrmion driven by spin-polarized current is theoretically studied in the chiral ferromagnetic film with spatially modulated Dzyaloshinskii-Moriya interaction. Three cases including linear, sinusoidal, and periodic…

Mesoscale and Nanoscale Physics · Physics 2019-01-09 Liping Zhou , Ren Qin , Ya-qing Zheng , Yong Wang

The theoretical study considers chiral spin texture induced in a 2D electron gas (2DEG) by magnetic skyrmions. We calculate the electron gas spin density as a linear response to the exchange interaction between the 2DEG and the…

Mesoscale and Nanoscale Physics · Physics 2020-04-22 L. A. Yung , K. S. Denisov , I. V. Rozhansky , N. S. Averkiev , E. Lahderanta

Magnetic skyrmions, vortex-like swirling spin textures characterized by a quantized topological invariant, realized in chiral-lattice magnets are currently attracting intense research interest. In particular, their dynamics under external…

Strongly Correlated Electrons · Physics 2016-01-20 Masahito Mochizuki , Shinichiro Seki

Despite generally lacking ferromagnetic properties or strong spin-orbit coupling, electrons in chiral molecules exhibit unique spin-dependent transport behavior, known as chiral-induced spin selectivity (CISS). This phenomenon implies a…

Chemical Physics · Physics 2025-09-05 Peng-Yi Liu , Tian-Yi Zhang , Qing-Feng Sun

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…

Strongly Correlated Electrons · Physics 2022-03-14 Kostiantyn V. Yershov , Attila Kakay , Volodymyr P. Kravchuk

The current understanding of chirality suggests the existence of a connection between structure and angular momentum, including spin. This is particularly emphasised in the chiral induced spin selectivity effect, where chiral structures act…

Mesoscale and Nanoscale Physics · Physics 2023-12-27 J. Fransson

Spin dynamics in spiral magnetic structures has been investigated. It has been shown that the internal spatially dependent magnetic field in such structures produces a new mechanism of spin relaxation.

Mesoscale and Nanoscale Physics · Physics 2020-01-08 Igor Lyapilin

Recently spin textures called skyrmions have been discovered in certain chiral magnetic materials without spatial inversion symmetry, and have attracted enormous attention due to their promising application in spintronics since only a low…

Strongly Correlated Electrons · Physics 2013-06-18 Shi-Zeng Lin , Charles Reichhardt , Cristian D. Batista , Avadh Saxena

We theoretically demonstrate that sufficiently strong magnetoelastic coupling can change the ground state of otherwise uniform spin systems to chiral spin configurations. More specifically, we show that, a periodic array of chiral spin…

Mesoscale and Nanoscale Physics · Physics 2025-09-22 Gyungchoon Go , Se Kwon Kim

We review and extend the theory of chiral pumping of spin waves by magnetodipolar stray fields that generate unidirectional spin currents and asymmetric magnon densities. We illustrate the physical principles by two kinds of chiral…

Mesoscale and Nanoscale Physics · Physics 2020-12-02 Tao Yu , Gerrit E. W. Bauer

The interaction between electron spin and molecular chirality plays a fundamental role in quantum phenomena, with significant implications for spintronics and quantum computing. The chirality-induced spin selectivity (CISS) effect, where…

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