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Micromagnetic simulation of 90 degrees domain walls in thin iron films

Huo, S; Bishop, JEL; Tucker, JW; (1997) Micromagnetic simulation of 90 degrees domain walls in thin iron films. In: JOURNAL OF APPLIED PHYSICS. (pp. 5239 - 5241). AMER INST PHYSICS

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Abstract

The micromagnetic structure and energy of 90 degrees domain walls in crystalline iron having a (100) surface and ranging in thickness from 30 to 200 nm have been investigated numerically by minimization of the total wall energy using a slightly modified LaBonte method similar to that described by Aharoni and Jakubovics. For films of thickness in the range of 30-110 nm, both symmetric and asymmetric stable Neel wall structures were obtained. Below 45 nm, the former has the lower energy. Above 110 nm, only the asymmetric structure could be obtained. In addition to the wall energies, we provide measures of the wall width and data on the stray field external to the film for comparison with magnetic force microscopy studies. (C) 1997 American Institute of Physics.

Type: Proceedings paper
Title: Micromagnetic simulation of 90 degrees domain walls in thin iron films
Event: 41st Annual Conference on Magnetism and Magnetic Materials
Location: ATLANTA, GA
Dates: 1996-11-12 - 1996-11-15
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > London Centre for Nanotechnology
URI: http://discovery.ucl.ac.uk/id/eprint/94101
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