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Ladder-type magnetic structures in MnAs epitaxial films–measurements and micromagnetic simulations
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10.1063/1.3005880
/content/aip/journal/jap/104/9/10.1063/1.3005880
http://aip.metastore.ingenta.com/content/aip/journal/jap/104/9/10.1063/1.3005880
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Simulated configuration of ferromagnetic stripes. The simulation area is . The widths of the ferromagnetic and nonmagnetic stripes are 1.4 and , respectively. The film thickness is 250 nm. The -axis of the coordinate system corresponds to the magnetocrystalline hard axis (-axis), the plane to the easy plane, and the -axis is along the direction normal to the film.

Image of FIG. 2.
FIG. 2.

MFM images and calculated magnetic structures of -components for magnetization at zero magnetic field. (a) After magnetization along the -direction and (b) after magnetization along the -direction.

Image of FIG. 3.
FIG. 3.

Detailed MFM images and calculated -components of the magnetization. (a) After magnetization along the -direction and (b) after magnetization along the -direction.

Image of FIG. 4.
FIG. 4.

Field variations in the magnetic domain structures observed by a Kerr microscope. The images were taken under decreasing magnetic field after saturation at 60 mT along the -direction. Schematic domain structures are also shown.

Image of FIG. 5.
FIG. 5.

Micromagnetic simulation results of the magnetization reversal process. The magnetic field is applied along the -direction.

Image of FIG. 6.
FIG. 6.

Saturation magnetization dependence of the MnAs film magnetic structures. The anisotropy constant was fixed at .

Image of FIG. 7.
FIG. 7.

Magnetic anisotropy dependence of the MnAs film magnetic structures. The saturation magnetization was fixed at .

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/content/aip/journal/jap/104/9/10.1063/1.3005880
2008-11-03
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Ladder-type magnetic structures in MnAs epitaxial films–measurements and micromagnetic simulations
http://aip.metastore.ingenta.com/content/aip/journal/jap/104/9/10.1063/1.3005880
10.1063/1.3005880
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