Micromagnetic simulation of thickness variation of Neel cap in hybrid Bloch-Neel domain wall

Reference:

Lu, M. and Leonard, P. J., 2005. Micromagnetic simulation of thickness variation of Neel cap in hybrid Bloch-Neel domain wall. Physica B Condensed Matter, 365 (1-4), pp. 82-92.

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Abstract

The hybrid Bloch-Neel domain wall in iron film has been investigated using three-dimensional micromagnetic calculations. Magnetization distributions in the film plane and cross-section are presented. In the film plane the rotation of magnetization in the 180 degrees domain wall takes two different patterns from the bottom layer to the top layer. In cross-section the C-shaped magnetization distribution with hybrid Bloch-Neel domain wall has been found. The thickness of the top Neel cap changes from its largest value as the C-shaped magnetization distribution appears, and becomes thinner as the C-shaped magnetization distribution gradually moves and grows up. The thickness variation of the bottom Neel cap changes in a similar way, but with a reversal pattern. The results in this paper will enrich our knowledge of magnetic domain and domain wall patterns in magnetic materials. (c) 2005 Elsevier B.V. All rights reserved.

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