The combined effect of temperature and disorder on interlayer exchange coupling in magnetic multilayers

Details The combined effect of temperature and disorder on interlayer exchange coupling in magnetic multilayers The combined effect of temperature and disorder on interlayer exchange coupling in magnetic multilayers

1998-11-10

arxiv.org/abs/cond-mat/9811132v1

Phil. Mag. B 78, pp. 571-575 (1998)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, LaTeX, 1 figure. Submitted to Phil. Mag. B

Scientific paper

10.1080/014186398257862

We study the combined effect of temperature and disorder in the spacer on the interlayer exchange coupling. The temperature dependence is treated on ab initio level. We employ the spin-polarized surface Green function technique within the tight-binding linear muffin-tin orbital method and the Lloyd formulation of the IEC. The integrals involving the Fermi-Dirac distribution are calculated using an efficient method based on representation of integrands by a sum of complex exponentials. Application is made to Co/Cu_{100-x}M_x/Co(001) trilayers (M=Zn, Au, and Ni) with varying thicknesses of the spacer.

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