Magnon scattering by a symmetric atomic well in free standing very thin magnetic films

R. Tigrine, A. Khater, B. Bourahla, M. Abou Ghantous, O. Rafil

    Research output: Contribution to journalArticle

    12 Citations (Scopus)


    A theoretical model is presented for the study of the scattering of magnons at an extended symmetric atomic well in very thin magnetic films. The thin film consists of three cubic atomic planes with ordered spins coupled by Heisenberg exchange, and the system is supported on a non-magnetic substrate, and considered otherwise free from magnetic interactions. The coherent transmission and reflection scattering coefficients are derived as elements of a Landauer type scattering matrix. Transmission and reflection scattering cross sections are hence calculated specifically, as a function of the varying local magnetic exchange on the inhomogeneous boundary. Detailed numerical results for the individual incident film magnons, and for the calculated overall magnon conductance, show characteristic transmission properties, with associated Fano resonances, depending on the magnetic boundary conditions and on the magnon incidence.

    Original languageEnglish
    Pages (from-to)59-64
    Number of pages6
    JournalEuropean Physical Journal B
    Issue number1
    Publication statusPublished - 1 Mar 2008

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics

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