Results 131 to 140 of about 7,833 (239)

Field-tuned spin excitation spectrum of kπ skyrmion

New Journal of Physics, 2019
We study spin wave excitation modes of kπ skyrmion ( k  = 1, 2, 3) in a magnetic nanodot under an external magnetic field along the z direction using micromagnetic simulations based on the Landau–Lifshitz–Gilbert equation. We find that a transition of kπ
Chengkun Song, Yunxu Ma, Chendong Jin, Jinshuai Wang, Haiyan Xia, Jianbo Wang, Qingfang Liu   +6 more
doaj   +1 more source

Vectorial Diffractive Neural Metasurfaces for Multiplexed Synthesis of Optical Skyrmions

Nanophotonics, Volume 15, Issue 17, 11 September 2026.
A three‐layer Jones‐matrix‐based vectorial diffractive neural network enables compact, passive, and multiplexed synthesis of optical skyrmions and bimerons. By mapping distinct Gaussian‐beam input channels to coaxial orbital‐angular‐momentum and polarization states, the device generates up to 16 topological vector textures with high mode purity, robust
Tianqu Chen, Xu Xing, Mingfeng Xu, Yong Yu, Xi Tang, Yinghui Guo, Fei Zhang, Mingbo Pu, Xiangang Luo   +8 more
wiley   +1 more source

Switchable Magnonic Crystals Based on Spin Crossover/CrSBr Heterostructures

Advanced Materials, Volume 38, Issue 51, 11 September 2026.
Multiscale modeling is employed to investigate the functionality of a light‐controlled, tunable magnonic crystal based on spin‐crossover Fe‐pz molecules integrated with a monolayer of CrSBr. Ab initio simulations confirm that the molecules remain functional on the CrSBr surface, while a semiclassical elastic model demonstrates that light‐induced ...
Andrei Shumilin, Sourav Dey, Denisa Coltuneac, Laurentiu Stoleriu, José J. Baldoví   +4 more
wiley   +1 more source

Skyrmion explosions [PDF]

, 2018
Magíster en Ciencias, Mención Física. Ingeniero Civil MatemáticoLos skyrmions son texturas magnéticas las cuales poseen propiedades que las hacen el objeto de estudio de diversas areas de la física teórica, matemática, nanotecnología, etc.
Saji Santander, Carlos Andrés
core  

Observation of a non-reciprocal skyrmion Hall effect of hybrid chiral skyrmion tubes in synthetic antiferromagnetic multilayers

Nature Communications
A hybrid chiral skyrmion tube is a well-known example of a 3D topological spin texture, exhibiting an intriguing chirality transition along the thickness direction.
Takaaki Dohi, Mona Bhukta, Fabian Kammerbauer, Venkata Krishna Bharadwaj, Ricardo Zarzuela, Aakanksha Sud, Maria-Andromachi Syskaki, Duc Minh Tran, Thibaud Denneulin, Sebastian Wintz, Markus Weigand, Simone Finizio, Jörg Raabe, Robert Frömter, Rafal E. Dunin-Borkowski, Jairo Sinova, Mathias Kläui   +16 more
doaj   +1 more source

Atomically Modulating Competing Exchange Interactions in Centrosymmetric Skyrmion Hosts GdRu2X2 (X = Si and Ge)

Advanced Electronic Materials, Volume 12, Issue 18, 21 September 2026.
Our work bridges the gap between skyrmion discovery and material design by demonstrating how atomic‐scale control of exchange interactions enables tunable skyrmion phase transitions in centrosymmetric magnetic metals. ABSTRACT Magnetic skyrmions are topologically protected spin states that hold promise for shaping the future of electronics.
Dasuni N. Rathnaweera, Xudong Huai, K. Ramesh Kumar, Michał J. Winiarski, Tomasz Klimczuk, Allana G. Iwanicki, Satya K. Kushwaha, Martin Mourigal, Tyrel M. McQueen, Thao T. Tran   +9 more
wiley   +1 more source

Geometry of Skyrmions

Communications in Mathematical Physics, 1987
A Skyrmion is a classical static field configuration of minimal energy in a nonlinear scalar field theory, where the Skyrmion represents a baryon and the scalar field is given by the pion. Mathematically a Skyrmion can be regarded as a topological non-trivial map from one Riemannian manifold to another (3-dimensional, orientable, connected), and the ...
openaire   +2 more sources

Current-driven coherent skyrmion generation

, 2019
The next-generation logic and memory devices using magnetic skyrmions as spintronic information carriers are frequently studied, thanks to their remarkable magnetic stability, extremely compact size and very-low-cost driving forces within nanotracks.
DEĞER, CANER, YAVUZ, İLHAN
core   +1 more source

Skyrmion Crystal in Bilinear–Biquadratic–Bicubic Model on a Centrosymmetric Triangular Lattice

Condensed Matter
We numerically investigate the effect of multi-spin interactions on the stability of skyrmion crystals and other multiple-Q magnetic states, with a particular emphasis on the momentum-resolved bicubic interaction. By performing simulated annealing for an
Satoru Hayami
doaj   +1 more source

Probing of Single‐Interface Dzyaloshinskii‐Moriya Interaction

Advanced Electronic Materials, Volume 12, Issue 17, 7 September 2026.
Conventional measurements of the interfacial Dzyaloshinskii‐Moriya interaction (DMI) combine contributions from multiple interfaces, obscuring the intrinsic response of each interface. Here, we introduce a novel approach for directly probing single‐interface DMI by performing film growth and characterization entirely under vacuum. This approach reveals
Ji‐Sung Yu, Seong‐Hyub Lee, Minhwan Kim, Dae‐Yun Kim, Gunn‐Hee Han, Wooyoung Shim, Jiho Shin, Yohan Mok, Jaehun Cho, Duck‐Ho Kim, Sug‐Bong Choe   +10 more
wiley   +1 more source