Journal Article

FZJ-2026-01828

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Unlocking hidden potential in electron holography of non-collinear spin textures

Winterott, M. (Corresponding author)FZJ* ; Lounis, S. (Corresponding author)FZJ*

2025
Springer Nature London

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Please use a persistent id in citations: doi:10.1038/s42005-025-02422-5  doi:10.34734/FZJ-2026-01828

Abstract: Due to their particle-like properties, three-dimensional (3D) spin textures have garnered significantinterest, particularly for their potential applications in next-generation information storage devices.However, efficiently identifying these textures remains a major challenge, especially if they are ofantiferromagnetic nature. Here, we demonstrate that instead of relying solely on the magnetic strayfield, which vanishes in antiferromagnets, one can harvest the usually disregarded electronic signal.This gives rise to a electron holographic contribution probed by transmission electron microscopy(TEM). We reveal the underlying physics, systematically quantify, and offer disentangling strategies forboth conventional and previously neglected identified TEM images, extracted from various magneticstructures, including ferromagnetic and antiferromagnetic skyrmion tubes, as well as hopfions. Ourfindings mark a milestone in advancing the exploration and possible application of 3D spin textures innext-generation spintronic devices.

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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)

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