Observation of second spin reorientation transition within ultrathin region in Fe films on Ag(001) surface
- Authors
- Khim, T. -Y.; Shin, M.; Park, B. -G.; Lee, H.; Park, J. -H.
- Issue Date
- Jun-2014
- Publisher
- AMER INST PHYSICS
- Citation
- JOURNAL OF APPLIED PHYSICS, v.115, no.23
- Journal Title
- JOURNAL OF APPLIED PHYSICS
- Volume
- 115
- Number
- 23
- URI
- https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/10871
- DOI
- 10.1063/1.4883536
- ISSN
- 0021-8979
1089-7550
- Abstract
- We acquired direct measurements for in-plane and perpendicular-to-plane magnetic moments of Fe films using an x-ray magnetic circular dichroism technique with increase of the Fe thickness (up to 40 angstrom) on the Ag(001) surface. Epitaxial Fe/Ag(001) films were grown in situ with the thickness varying from 2 angstrom to 40 angstrom, and the magnetic anisotropy was carefully investigated as a function of the film thickness. We found re-entrance of the in-plane magnetic anisotropy of the Fe film in ultrathin region. The results manifest that the epitaxial Fe/Ag(001) film undergoes two distinct spin reorientation transitions from in-plane to out-of-plane at the film thickness t approximate to 9 angstrom and back to in-plane at t approximate to 18 angstrom as t increases. (C) 2014 AIP Publishing LLC.
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