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    Analytical and micromagnetic study of a Neel domain wall

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    PhysRevB.77.214419.pdf (322.2Kb)
    Date
    2008
    Author
    Rivkin, K.
    Romanov, K.
    Abanov, Artem
    Adamov, Y.
    Saslow, W. M.
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    Abstract
    For ferromagnets with exchange, dipolar interaction, and uniaxial anisotropy, by both analytic methods and micromagnetic simulations we study Neel domain walls in thin ferromagnetic strips of finite width. Comparison of the numerical results with the analytics yields parameter values that had been unspecified by the analytics, and determines the modifications needed to describe the magnetization both near the strip center and near the boundaries. With no uniaxial anisotropy, the domain wall center can be described by the same hyperbolic secant form as with uniaxial anisotropy, but the effective anisotropy constant must now be thought of as increasing with increasing film thickness and decreasing with increasing film width.
    URI
    http://dx.doi.org/10.1103/PhysRevB.77.214419
    http://hdl.handle.net/1969.1/127345
    Description
    Journals published by the American Physical Society can be found at http://journals.aps.org/
    Subject
    THIN MAGNETIC-FILMS
    ENERGY
    Physics
    Department
    Physics and Astronomy
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    Citation
    K. Rivkin, K. Romanov, Artem Abanov, Y. Adamov and W. M. Saslow. Phys.Rev.B 77 214419 2008."Copyright (2008) by the American Physical Society."

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