Elastic and Magnetoelastic Properties of Fe-Rich Tetragonal Y-Fe Compounds: Phenomenology and Electron Theory

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Abstract

To study the strain effects on the lattice stability and magnetic anisotropy (MA) of Fe-rich tetragonal Y-Fe compounds, elastic constants of Y2Fe14B-And YFe12-Type compounds were calculated in the first principles, and MA of impurity-doped YFe12 with tetragonal lattice strain was calculated in a real-space tight-binding method. It has been found that the YFe12-Type compounds are elastically softer than Y2Fe14B, and that the uniaxial MA of Co-doped YFe12 may be increased by decreasing c/a , where c and a are the lattice constants along c-Axis and within ab-plane, respectively.

Original languageEnglish
Article number8456576
JournalIEEE Transactions on Magnetics
Volume55
Issue number2
DOIs
Publication statusPublished - 2019 Feb

Keywords

  • Elastic constants
  • YFe-Type compounds
  • magnetoelastic (ME) property
  • uniaxial magnetic anisotropy (MA)

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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