Donahue, M.
(2012),
Micromagnetic investigation of periodic cross-tie/vortex wall geometry, Advances in Condensed Matter Physics, [online], https://doi.org/10.1155/2012/908692
(Accessed October 8, 2025)
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Micromagnetic investigation of periodic cross-tie/vortex wall geometry
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Abstract
A systematic series of micromagnetic simulations on periodic cross-tie/vortex wall structures in an ideal soft film at various width, thickness, and period lengths is performed. For each width and thickness a natural period length is found which has minimal energy density for walls of this type. For each width a critical thickness is determined below which the natural period length is infinite; for films thinner than this the pure Neel wall has lower energy than any cross-tie/vortex wall. Details of the origin of the energy reduction in cross-tie/vortex walls as compared to Neel walls is also examined, and canting inside cross-tie and vortex structures in films thicker than 1 exchange length is explained.Citation
Advances in Condensed Matter Physics
Volume
2012
Pub Type
Journals
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Keywords
Micromagnetic modeling, cross-ties, vortices, Neel walls
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Created May 18, 2012, Updated November 10, 2018