Analytical/numerical calculation of the thermal stability factor in nanostructured exchange-coupled trilayers
- Authors
- Lee, Seul Gee; Lim, S. H.
- Issue Date
- 6-9월-2010
- Publisher
- AMER INST PHYSICS
- Citation
- APPLIED PHYSICS LETTERS, v.97, no.10
- Indexed
- SCIE
SCOPUS
- Journal Title
- APPLIED PHYSICS LETTERS
- Volume
- 97
- Number
- 10
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/115694
- DOI
- 10.1063/1.3486163
- ISSN
- 0003-6951
- Abstract
- An analytical/numerical method is used to calculate the thermal stability factor in nanostructured cells of exchange-coupled (either ferromagnetically or antiferromagnetically) trilayers. The method is then critically tested by comparing the calculated results with reliable experimental results reported recently in the literature [S. Yakata, H. Kubota, T. Sugano, T. Seki, K. Yakushiji, A. Fukushima, S. Yuasa, and K. Ando, Appl. Phys. Lett. 95, 242504 (2009)]. The accuracy of the method is confirmed by the excellent agreement for an antiferromagnetically coupled trilayer. For a ferromagnetically coupled trilayer, the comparison indicates a very weak interlayer exchange coupling (0.052 erg/cm(2)) between the two magnetic layers where the magnetization switching occurs in the via antiparallel mode. (C) 2010 American Institute of Physics. [doi:10.1063/1.3486163]
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