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We report on various magnetic configurations including spirals and skyrmions at the surface of the magnetic insulator Cu2OSeO3 at low temperatures with a magnetic field applied along 100 using resonant elastic X-ray scattering (REXS). We observe a well-ordered surface state referred to as a distorted tilted conical spiral (dTC) phase over a wide range of magnetic fields. The dTC phase shows characteristic higher harmonic magnetic satellites in the REXS reciprocal space maps. Skyrmions emerge following static magnetic field cycling and appear to coexist with the dTC phase. Our results indicate that this phase represents a distinct and stable surface state that does not disappear with field cycling and persists until the field strength is increased sufficiently to create the field-polarized state.

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• Creative Commons BY-NC Attribution-NonCommercial 4.0 International
  

Keyword: Resonant elastic X-ray scattering, magnetic structure, distorted tilted conical, multidomain low-temperature skyrmion

Date published: 2025-12-31

Publisher: Taylor & Francis

Journal:

• Science and Technology of Advanced Materials (ISSN: 14686996) vol. 26 2532366

Funding:

Manuscript type: Author's version (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.5626

First published URL: https://doi.org/10.1080/14686996.2025.2532366

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Updated at: 2025-08-06 08:30:17 +0900

Published on MDR: 2025-08-06 08:19:54 +0900