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나노디스크에서의 자기 소용돌이 핵의 3차원 동역학 연구Three-Dimensional Dynamics of Magnetic Vortex Core in a Nanodisk
- Other Titles
- Three-Dimensional Dynamics of Magnetic Vortex Core in a Nanodisk
- Issue Date
- 2012
- Publisher
- 한국자기학회
- Keywords
- magnetic vortex structure; magnetization dynamics; micromagnetics; 자기소용돌이; 자화거동; 미소자기학
- Citation
- 한국자기학회지, v.22, no.6, pp.195 - 199
- Indexed
- KCI
- Journal Title
- 한국자기학회지
- Volume
- 22
- Number
- 6
- Start Page
- 195
- End Page
- 199
- ISSN
- 1598-5385
- Abstract
- Using micromagnetic simulation, we investigated the effect of thickness of a nanodisk on a resonance frequency of vortex gyration. We observed that the resonance frequency increases with increasing thickness in both cases of 2-dimensional (2D) and 3-dimensional (3D) calculation. However, there is a difference in the increasing rate of resonance frequency between 2D and 3D modeling owing to dynamically developed inhomogeneous magnetic texture along the thickness direction of disk in 3D modeling.
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