Correlation between magnetic interactions and domain structure in A1 FePt ferromagnetic thin films

We have investigated the relationship between the domain structure and the magnetic interactions in a series of FePt ferromagnetic thin films of varying thickness. As-made films grow in the magnetically soft and chemically disordered A1 phase that may have two distinct domain structures. Above a critical thickness $d_{cr}\sim 30$ nm the presence of an out of plane anisotropy induces the formation of stripes, while for $d

Keywords:

• Materials science
• Condensed matter physics
• Geomagnetic reversal
• Remanence
• Anisotropy
• Dipole
• Flory–Huggins solution theory
• out of plane
• Planar
• ferromagnetic thin films

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