Magnetic Composites: Magnonic Excitations vs. Three-Dimensional Structural Periodicity

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dc.creatorKrawczyk, M.
dc.creatorPuszkarski, H.
dc.date2005-08-17
dc.date.accessioned2026-07-07T03:06:18Z
dc.date.available2026-07-07T03:06:18Z
dc.descriptionThis study deals with the spin wave spectrum in magnetic macrostructure (composed of two ferromagnetic materials) showing a 3D periodicity: spherical ferromagnetic grains disposed in the nodes of a simple cubic crystal lattice are embedded in a matrix with different ferromagnetic properties. It is shown that the \textit{magnonic spectrum} of this composite structure exhibits frequency regions \textit{forbidden} for magnon propagation, and the energy gaps are found to be sensitive to the exchange contrast between the constituent materials as well as to the magnetization contrast. The widths of the respective magnonic gaps are studied as functions of parameters characterizing the magnetic structure.
dc.description12 pages, 3 figures, submitted to Crystal Research and Technology
dc.identifierhttps://arxiv.org/abs/cond-mat/0508390
dc.identifierhttp://arxiv.org/abs/cond-mat/0508390
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/26758
dc.subjectMaterials Science
dc.subjectOther Condensed Matter
dc.titleMagnetic Composites: Magnonic Excitations vs. Three-Dimensional Structural Periodicity
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