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Micromagnetic simulation of magnetization reversal process and stray field behavior in Fe thin film wire
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10.1063/1.2821731
/content/aip/journal/jap/102/12/10.1063/1.2821731
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/12/10.1063/1.2821731

Figures

Image of FIG. 1.
FIG. 1.

Schematic picture of a two-dimensional system for the present simulation. The Fe thin film wire of is placed at the top of a spatial coordinate (or vacuum) of . The origin of the spatial coordinates corresponds to the edge of film as indicated by black circle.

Image of FIG. 2.
FIG. 2.

Hysteresis curve of Fe thin film wire under the external field applied to the direction. The solid line represents the magnetization process with increasing the external field from and the dashed line indicates the one with decreasing the field from 0.5 T.

Image of FIG. 3.
FIG. 3.

Magnetization vector distribution during magnetization process shown in Fig. 2. (a) , (b) , (c) 0.0, (d) 0.05, and (e) 0.5. In each part, the upper panel is the section and the lower panel is the section.

Image of FIG. 4.
FIG. 4.

Hysteresis curve under the external field applied to direction. The inset is the magnification in the vicinity of the . The solid line represents the magnetization process with increasing the external field from , whereas the dashed line indicates the one with decreasing the field from 2.5 T.

Image of FIG. 5.
FIG. 5.

Magnetization vector distribution during magnetization process shown in Fig. 4. (a) , (b) , (c) , (d) 0.00, (e) 1.00, and (f) 2.50. In each part, the upper panel is the section and the lower panel is the section.

Image of FIG. 6.
FIG. 6.

Hysteresis curve under the external field applied to direction, but tilted toward the direction by . The formation of domain wall does not occur and the magnetization vectors over the entire system uniformly rotate during this process.

Image of FIG. 7.
FIG. 7.

External field dependence of the domain wall energies per unit area. (a) the external field applied to the direction and (b) the field applied to the direction.

Image of FIG. 8.
FIG. 8.

Spatial profile of stray field at (a) , (b) , and (c) originating from the magnetization distributions shown in Fig. 3. In each part, the upper panel indicates the component of the stray field and the lower panel is component.

Image of FIG. 9.
FIG. 9.

External field dependence of stray field at (a) , (b) , and (c) during the magnetization process shown in Fig. 2. In each part, the upper panel represents component of the stray field and the lower panel is the component.

Image of FIG. 10.
FIG. 10.

Spatial profile of stray field at (a) , (b) , and (c) originating from the magnetization vector distributions shown in Fig. 5. In each part, the upper panel is the component of the stray field and the lower panel is the component.

Image of FIG. 11.
FIG. 11.

External field dependence of stray field at (a) , (b) , and (c) during the magnetization process shown in Fig. 4. In each part, the upper panel is component of the stray field and the lower panel is component.

Tables

Generic image for table
Table I.

Total energy of domain walls per unit area and the contribution of the exchange , crystalline anisotropy , and demagnetization energies .

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/content/aip/journal/jap/102/12/10.1063/1.2821731
2007-12-28
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Micromagnetic simulation of magnetization reversal process and stray field behavior in Fe thin film wire
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/12/10.1063/1.2821731
10.1063/1.2821731
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