Tailoring perpendicular magnetic coupling by XMCD | Zendy

Y. U. Idzerda | Zendy; R. Snow | Zendy; H. Bhatkar | Zendy; Alpha T. N’Diaye | Zendy; Elke Arenholz | Zendy

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Tailoring perpendicular magnetic coupling by XMCD

Author(s) -

Y. U. Idzerda,

R. Snow,

H. Bhatkar,

Alpha T. N’Diaye,

Elke Arenholz

Publication year - 2017

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4974022

Subject(s) - perpendicular , materials science , anisotropy , condensed matter physics , alloy , coupling constant , magnetic anisotropy , magnetic field , axial symmetry , coupling (piping) , magnetization , physics , optics , metallurgy , geometry , mathematics , particle physics , quantum mechanics

The elemental perpendicular magnetic anisotropy constants of both elements of a 20 nm bcc Co88Mn12 alloy film grown on MgO(001) and capped with Al, have been determined. By fitting a Stoner-Wohlfarth astroid model to the measured Co and Mn L3 XMCD peak intensities as a function of incidence photon angle with the magnetic field applied co-axially with the photon propagation direction, the elemental perpendicular anisotropy constants were found to be −6.46 x 105 J/m3 and −6.68 x 105 J/m3, respectively. The modeling of the Co and Mn data both result in nearly the same anisotropy constant as expected for a single alloy film

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