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Perpendicular magnetic anisotropy and spin reorientation transition in L1 0 FePt films

Title
Perpendicular magnetic anisotropy and spin reorientation transition in L1 0 FePt films
Authors
Ahn J.Y.Lee N.J.Kim T.H.Lee J.-H.Michel A.Eyidi D.
Ewha Authors
김태희
SCOPUS Author ID
김태희scopus
Issue Date
2011
Journal Title
Journal of Applied Physics
ISSN
0021-8979JCR Link
Citation
vol. 109, no. 7
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
We investigated the thickness and composition dependence of perpendicular magnetic anisotropy (PMA) in L1 0 Fe 1-xPt x (x =0.4, 0.5, and 0.55) films. The FePt films with different thicknesses of 35 and 70 were grown at the substrate temperature T s = 300°C by molecular beam epitaxy coevaporation technique. A (001)-oriented epitaxial L1 0 FePt film was grown on the thin (001)-oriented fcc Pt layer, while a poorly crystallized FePt film was formed on the (111)-textured Pt layer. Our results showed that, at a fixed thickness of 70 , the PMA of FePt alloy films is enhanced as Pt content increases from 40 to 55. © 2011 American Institute of Physics.
DOI
10.1063/1.3562506
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
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