Crystalline Anisotropy Effect on Magnetic Properties and Its Competition with Shape Anisotropy

Title
Crystalline Anisotropy Effect on Magnetic Properties and Its Competition with Shape Anisotropy
Authors
이태환구현철김형준한석희임상호
Keywords
ferromagnetic materials; thin films; domain; magnetic properties; spintronics
Issue Date
2011-06
Publisher
Metals and Materials International
Citation
VOL 17, NO 3, 509-513
Abstract
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.
URI
http://pubs.kist.re.kr/handle/201004/40010
ISSN
1598-9623
Appears in Collections:
KIST Publication > Article
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