Journal Article

FZJ-2026-01803

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Paradoxical Topological Soliton Lattice in Anisotropic Frustrated Chiral Magnets

Banik, S. ; Kiselev, N. (Corresponding author)FZJ* ; Nandy, A. K. (Corresponding author)

2026
Wiley-VCH Weinheim

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Please use a persistent id in citations: doi:10.1002/advs.202514568  doi:10.34734/FZJ-2026-01803

Abstract: Two-dimensional chiral magnets are known to host avariety of skyrmions, characterized by an integer topological charge (Q ∈ Z). However, these systems typically favor uniform lattices as a thermodynamically stable phase composed of either skyrmions (Q = −1) or antiskyrmions (Q = 1). In isotropic chiral magnets, skyrmion-antiskyrmion coexistence is typically transient due to mutual annihilation, making the observation of a stable, long-range ordered lattice a significant challenge. Here, we address this challenge by demon-strating a skyrmion-antiskyrmion lattice as a magnetic field-induced topological ground state in chiral magnets with competing anisotropic interactions, specifically Dzyaloshinskii-Moriya and frustrated exchange interactions. This unique lattice exhibits a net-zero global topological charge due to the balanced populations of skyrmions and antiskyrmions. Furthermore, density functional theory and spin-lattice simulations identify 2Fe/InSb(110) as an ideal candidate material for realizing this phase. This finding reveals new possibilities for manipulating magnetic solitons and establishes anisotropic frustrated chiral magnets as a promising material class for future spintronic applications.

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Contributing Institute(s):

1. Quanten-Theorie der Materialien (PGI-1)

Research Program(s):

1. 5211 - Topological Matter (POF4-521) (POF4-521)
2. 3D MAGiC - Three-dimensional magnetization textures: Discovery and control on the nanoscale (856538) (856538)

Appears in the scientific report 2026

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