Magnetc Anisotropy of (110) Fe/Co SuperlatticesFe/Co 초격자의 자기이방성 연구
- Other Titles
- Fe/Co 초격자의 자기이방성 연구
- Authors
- V. A. Vas’koa; Miyoung Kim; O. Mryasov; V. Sapozhnikov; M. K. Minor; A. J. Freeman; M. T. Kief
- Issue Date
- Aug-2006
- Publisher
- American Institute of Physics
- Citation
- Applied Physics Letters, v.89, no.9
- Journal Title
- Applied Physics Letters
- Volume
- 89
- Number
- 9
- URI
- https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/148590
- DOI
- 10.1063/1.2337282
- ISSN
- 0003-6951
1077-3118
- Abstract
- Magnetic anisotropy field of (110) Fe/Co superlattices was found to be as high as 1 T, with an in-plane easy axis. First principles calculations within the local spin density approximation show good agreement with the measurement. Lowering the symmetry by creating artificial superlattice structures leads to a significant increase in magnetic anisotropy energy as compared with any allotropic form of the elemental components and cubic FeCo. Large anisotropy is attributed to the cubic symmetry breaking due to the multilayer artificial atomic arrangement. Dependence of the anisotropy field on the superlattice period is supported by Monte Carlo film growth modeling. (c) 2006 American Institute of Physics.
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