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Chirality-inverted Dzyaloshinskii-Moriya interaction

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    SYSNO ASEP0576776
    Document TypeJ - Journal Article
    R&D Document TypeJournal Article
    Subsidiary JČlánek ve SCOPUS
    TitleChirality-inverted Dzyaloshinskii-Moriya interaction
    Author(s) Zakeri, Kh. (DE)
    Marmodoro, Alberto (FZU-D) ORCID
    von Faber, A. (DE)
    Mankovsky, S. (DE)
    Ebert, H. (DE)
    Number of authors5
    Article numberL100403
    Source TitlePhysical Review B. - : American Physical Society - ISSN 2469-9950
    Roč. 108, č. 10 (2023)
    Number of pages6 s.
    Languageeng - English
    CountryUS - United States
    KeywordsDzyaloshinskii-Moriya interaction Chiral magnets ; chirality-inverted DMI
    Subject RIVBM - Solid Matter Physics ; Magnetism
    OECD categoryCondensed matter physics (including formerly solid state physics, supercond.)
    R&D ProjectsGA23-04746S GA ČR - Czech Science Foundation (CSF)
    Method of publishingLimited access
    Institutional supportFZU-D - RVO:68378271
    EID SCOPUS85172213449
    DOI https://doi.org/10.1103/PhysRevB.108.L100403
    AnnotationThe Dzyaloshinskii-Moriya interaction (DMI) is an antisymmetric exchange interaction, which is responsible for the formation of topologically protected spin textures in chiral magnets. Here, by measuring the dispersion relation of the DM energy, we quantify the atomistic DMI in a model system, i.e., a Co double layer on Ir(001). We unambiguously demonstrate the presence of a chirality-inverted DMI, i.e., a sign change in the chirality index of DMI from negative to positive, when comparing the interaction between nearest neighbors to that between neighbors located at longer distances. The effect is in analogy to the change in the character of the Heisenberg exchange interaction from, e.g., ferromagnetic to antiferromagnetic.
    WorkplaceInstitute of Physics
    ContactKristina Potocká, potocka@fzu.cz, Tel.: 220 318 579
    Year of Publishing2024
    Electronic addresshttps://doi.org/10.1103/PhysRevB.108.L100403
Number of the records: 1  

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