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    •   UVaDOC Startseite
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    • Dpto. Electricidad y Electrónica
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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/69593

    Título
    Spin waves in ferrimagnets near the angular magnetization compensation temperature: A micromagnetic study
    Autor
    Sánchez-tejerina San José, LuisAutoridad UVA Orcid
    Osuna Ruiz, David
    Martínez, Eduardo
    López Díaz, Luis
    Raposo, Víctor
    Alejos Ducal, ÓscarAutoridad UVA Orcid
    Año del Documento
    2024-08-19
    Editorial
    AIP Publishing
    Documento Fuente
    Appl. Phys. Lett. 125, 082402 (2024)
    Zusammenfassung
    Spin wave propagation along a ferrimagnetic strip with out-of-plane magnetization is studied by means of micromagnetic simulations. The ferrimagnetic material is considered to be formed by two antiferromagnetically coupled sub-lattices. Two critical temperatures can be defined for such systems: that of magnetization compensation and that of angular momentum compensation, both different due to distinct Landé factors for each sub-lattice. Spin waves in the strip are excited by a spin current injected at one of its edges. The obtained dispersion diagrams show exchange-dominated forward volume spin waves. For a given excitation frequency, the Néel vector describes highly eccentric orbits, the eccentricity depending on temperature, whose semi-major axis is oriented differently at distinct locations on the FiM strip.
    Revisión por pares
    SI
    DOI
    10.1063/5.0189745
    Patrocinador
    SA114P20 from Junta de Castilla y León
    PID2020117024GB-C41 funded by MCIN/AEI/10.13039/501100011033
    Project MagnEFi, Grant Agreement No. 860060, (H2020-MSCA-ITN-2019) funded by the European Commission
    Version del Editor
    https://pubs.aip.org/aip/apl/article/125/8/082402/3308371/Spin-waves-in-ferrimagnets-near-the-angular
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/69593
    Tipo de versión
    info:eu-repo/semantics/acceptedVersion
    Derechos
    openAccess
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    • DEP22 - Artículos de revista [65]
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