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.
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.
Detailed MFM images and calculated -components of the magnetization. (a) After magnetization along the -direction and (b) after magnetization along the -direction.
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.
Micromagnetic simulation results of the magnetization reversal process. The magnetic field is applied along the -direction.
Saturation magnetization dependence of the MnAs film magnetic structures. The anisotropy constant was fixed at .
Magnetic anisotropy dependence of the MnAs film magnetic structures. The saturation magnetization was fixed at .
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