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

Jun Ichiro Inoue; Takuya Yoshioka; Hiroki Tsuchiura

doi:10.1109/TMAG.2018.2865542

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

Jun Ichiro Inoue, Takuya Yoshioka, Hiroki Tsuchiura

ENG - Applied Physics

Research output: Contribution to journal › Article

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 language	English
Article number	8456576
Journal	IEEE Transactions on Magnetics
Volume	55
Issue number	2
DOIs	https://doi.org/10.1109/TMAG.2018.2865542
Publication status	Published - 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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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.",

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T1 - Elastic and Magnetoelastic Properties of Fe-Rich Tetragonal Y-Fe Compounds

T2 - Phenomenology and Electron Theory

AU - Inoue, Jun Ichiro

AU - Yoshioka, Takuya

AU - Tsuchiura, Hiroki

PY - 2019/2

Y1 - 2019/2

N2 - 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.

AB - 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.

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KW - magnetoelastic (ME) property

KW - uniaxial magnetic anisotropy (MA)

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