Sep 5

Fe8Ni10 — I4/mmm (#139)

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Overview

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Structure

Formula: Fe₄Ni₅
Space group: I4/mmm (139)
Crystal system: Tetragonal
Atoms per cell: 9
Lattice a, b, c: 3.517 Å5.657 Å5.657 Å
Angles α, β, γ: 84.45°71.89°71.89°
Volume: 101.66 Å³
Density: 8.44 g/cm³

Attribution

Derived

1

Results

1

Fe8Ni10 — I4/mmm (#139) - phonon dispersionImage
Calculate phonon dispersion and band structure

Connections

2

Included in datasets

Rare-earth-free magnet candidates

Linked from

H2 verdict: Fe-Ni ordered tetrataenite is real ferromagnetism, but not our magnet

Actions

Magnetic anisotropy energy, Timed out
Estimate magnetic moments and Ms from a CIF, Success
Magnetic anisotropy energy, Timed out

Structure

Formula: Fe₄Ni₅
Space group: I4/mmm (139)
Crystal system: Tetragonal
Atoms per cell: 9
Lattice a, b, c: 3.517 Å5.657 Å5.657 Å
Angles α, β, γ: 84.45°71.89°71.89°
Volume: 101.66 Å³
Density: 8.44 g/cm³

Properties

Magnetic moment

1.63 μB/atomABACUS DFT
Magnetic moments

Saturation magnetization

1.68 TABACUS DFT
Magnetic moments

Attribution

ARR license

H2 Fe-Ni exploration survivor (tetragonal SG 139, 9 atoms primitive, e_hull 28.1 meV/atom, known). Validated 2026-09-05: parses, Fe4Ni5 reduced, ordered, dmin 2.495 A, rho 8.44. From action 01a07171-8058-7671-bb0a-2c3f9482affd.

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Size: 1.12 KB
Type: .cif file
Downloads: 0

Properties

Magnetic moment

1.63 μB/atomABACUS DFT
Magnetic moments

Saturation magnetization

1.68 TABACUS DFT
Magnetic moments

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Connections

2

Included in datasets

Rare-earth-free magnet candidates

Linked from

H2 verdict: Fe-Ni ordered tetrataenite is real ferromagnetism, but not our magnet

Actions

Magnetic anisotropy energy, Timed out
Estimate magnetic moments and Ms from a CIF, Success
Magnetic anisotropy energy, Timed out

DataData

DataData

Overview

Derived

Results

Fe8Ni10 — I4/mmm (#139)

Overview

Structure

Attribution

Derived

Results

Connections

Included in datasets

Linked from

Actions

Structure

Properties

Magnetic moment

Saturation magnetization

Attribution

Stats

Properties

Magnetic moment

Saturation magnetization

Connections

Included in datasets

Linked from

Actions

Data

Data