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- Title
Influence of the strain effect on magnetocrystalline anisotropy in Co<sub>2</sub>Fe<sub>0.4</sub>Mn<sub>0.6</sub>Si Heusler alloys.
- Authors
Nabiałek, A.; Chumak, O. M.; Aleshkevych, P.; Domagala, J. Z.; Pacewicz, A.; Salski, B.; Krupka, J.; Seki, T.; Takanashi, K.; Baczewski, L. T.; Szymczak, H.
- Abstract
The perpendicular magnetocrystalline anisotropy, magnetoelastic properties as well as the Gilbert damping factor in Co2Fe0.4Mn0.6Si thin films were found to depend on a magnetic layer thickness, and they can be also tuned by the application of additional Ag buffer layer. The tetragonal distortion of a magnetic layer was found to increase with decreasing thickness, and after the application of an additional Ag buffer layer, the character of this distortion was changed from tensile to compressive in the plane of a film. A correlation between the tetragonal distortion and perpendicular magnetocrystalline anisotropy was found. However, the magnitude of the observed tetragonal distortion for most samples seems to be too small to explain alone the experimentally found large magnitude of the perpendicular magnetocrystalline anisotropy. For these samples, other mechanisms including both surface and volume effects must be taken into account.
- Subjects
MAGNETIC anisotropy; HEUSLER alloys; PERPENDICULAR magnetic anisotropy; IRON-manganese alloys; THIN films; BUFFER layers
- Publication
Scientific Reports, 2023, Vol 13, Issue 1, p1
- ISSN
2045-2322
- Publication type
Article
- DOI
10.1038/s41598-023-43979-x