Attempt frequency of magnetization in nanomagnets with thin-film geometry
- Authors
- Suh, Hong-Ju; Heo, Changehoon; You, Chun-Yeol; Kim, Woojin; Lee, Taek-Dong; Lee, Kyung-Jin
- Issue Date
- Aug-2008
- Publisher
- AMER PHYSICAL SOC
- Citation
- PHYSICAL REVIEW B, v.78, no.6
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICAL REVIEW B
- Volume
- 78
- Number
- 6
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/122972
- DOI
- 10.1103/PhysRevB.78.064430
- ISSN
- 2469-9950
2469-9969
- Abstract
- Solving the stochastic Landau-Lifshitz-Gilbert equation numerically, we investigate the effect of the potential landscape on the attempt frequency of magnetization in nanomagnets with the thin-film geometry. Numerical estimates of the attempt frequency are analyzed in comparison with theoretical predictions from the Fokker-Planck equation for the Neel-Brown model. It is found that for a nanomagnet with the thin-film geometry, theoretically predicted values for the universal case are in excellent agreement with numerical estimates.
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Collections - College of Engineering > ETC > 1. Journal Articles

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