First-principles study on the relationship between magnetic anisotropy and anomalous Hall effect of bct-Fe50Co50

Kazushige Hyodo, Yohei Kota, Akimasa Sakuma

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Abstract

We studied quantitative relationship between the intrinsic anomalous Hall conductivity (σxy) and the uniaxial magnetic anisotropy constant (Ku) of bct-Fe50Co50 using first-principles calculation because these quantities originate from spin-orbit interaction. We found that the obtained σxy and Ku with changing the axial ratio c/a (1≤c/a≤√2) exhibit similar behavior mainly arising from the common band mixing of the minority-spin dxy and dx 2-y2 states near the Fermi level which is sensitive to c/a.

Original languageEnglish
Article number17C710
JournalJournal of Applied Physics
Volume115
Issue number17
DOIs
Publication statusPublished - 2014 May 7

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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