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- Title
Structural and Magnetic Properties of Amorphous Tb-Dy-Fe-Co Thin Films.
- Authors
Basumatary, Himalay; Jeyaramane, Arout; Kamat, S.; Ranjan, Rajeev
- Abstract
This paper reports the effect of film thickness (50, 200, 400 and 800 nm) on the structural and magnetic properties of amorphous Tb-Dy-Fe-Co alloy thin films. All the films are found to exhibit perpendicular magnetic anisotropy (PMA) irrespective of the film thickness. The PMA is found to decrease with increase in film thickness due to the decrease in the magnetic texture and anisotropy energy. While the coercivity deduced from the out-of-plane magnetization curve increases with increasing film thickness, the in-plane coercivity exhibits weak thickness dependence. The irreversibility point in the thermo-magnetic curves obtained from field-cooled and zero-field-cooled measurements along the out-of-plane direction is found to shift towards higher temperature compared to the measurements in in-plane directions, indicating the presence of strong PMA.
- Subjects
DYSPROSIUM compounds; MAGNETIC properties of metallic films; CRYSTAL structure; AMORPHOUS alloys; PERPENDICULAR magnetic anisotropy; MAGNETIZATION
- Publication
Journal of Superconductivity & Novel Magnetism, 2016, Vol 29, Issue 3, p863
- ISSN
1557-1939
- Publication type
Article
- DOI
10.1007/s10948-015-3360-7