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Magnetic moments near the sharp interfaces of ferromagnetic materials

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Autori
Šljivančanin, Željko
Vukajlović, Filip R.
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Apstrakt
Ab initio theoretical calculations of magnetic moments near the interfaces of 3d ferromagnetic transition metals were performed using the self-consistent interface Greens function technique based on linear-muffin-tin orbitals (LMTO) method within the tight-binding (TB) and atomic sphere approximation together with local-spin-density approximation. We have also made supercell spin-polarized (SP) band structure calculations of (1 0 0) Fe/Co interface in the framework of TB-LMTO method, in order to take into account structural deformations and estimate their influence on the magnetic moments near that interface. Our results for layer magnetic moments near Fe/Co, Fe/Ni and Ni/Co interfaces did not show any oscillating behavior, contrary to the recent findings for the magnetic moment profile near Fe/Co interface deduced from the perturbed angular correlation measurements of hyperfine fields. The reasons for this disagreement have been discussed and a comparison with earlier experimental and... theoretical results was made.

Ključne reči:
sharp interfaces / ferromagnetic / oscillations
Izvor:
International Journal of Modern Physics B, 2002, 16, 24, 3655-3669

DOI: 10.1142/S0217979202012098

ISSN: 0217-9792 (print)

WoS: 000178531700009

Scopus: 2-s2.0-0037144967
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URI
http://vinar.vin.bg.ac.rs/handle/123456789/2553
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