Crystalline Anisotropy Effect on Magnetic Properties and Its Competition with Shape Anisotropy
- Crystalline Anisotropy Effect on Magnetic Properties and Its Competition with Shape Anisotropy
- 이태환; 구현철; 김형준; 한석희; 임상호
- ferromagnetic materials; thin films; domain; magnetic properties; spintronics
- Issue Date
- Metals and Materials International
- VOL 17, NO 3, 509-513
- Shape and crystalline anisotropies compete when their easy axes are perpendicular. The critical aspect ratio,
which is the aspect ratio required to offset the crystalline anisotropy, was observed in an effort to investigate
the quantitative contribution of crystalline anisotropy using micromagnetic simulation. For a 0.25 μm width
hcp-Co pattern, an aspect ratio of 2.7 is required in order to cancel out a crystalline anisotropy constant
of 26 kJ/㎥. The magnetic switching properties are also affected by crystalline anisotropy, which causes the
magnetic domain to be narrowed during the reversal process.
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