Material:

Mn2FeN2

ID:

MMD-2726

Explore database:

Compounds with the same formula: Mn2FeN2 (3 entries found)
Compounds with the same elements: Mn-Fe-N (15 entries found)
Navigation:
Space group | Lattice parameters | Thermodynamic properties | Phase diagram | Magnetic properties | Atomic positions and site-specific magnetic data | Pair-wise magnetic data | Methods | References

Space group:

Crystal system

orthorhombic

Space group number

59

Hermann-Mauguin

Pmmn

Hall

P 2 2ab -1ab

Point group

mmm

Structure data:

Normalized formula

Mn2FeN2

The number of formula units per unit cell

2

The total number of atoms per unit cell

10

The number of inequivalent sites per unit cell

3

Structure search

MP

Lattice parameters:

a (Å)

2.8548

b (Å)

11.4204

c (Å)

2.8540

α (deg.)

90.000

β (deg.)

90.000

γ (deg.)

90.000

Volume (Å3)

93.046

Density (g/cm3)

6.915

Crystal structure visualization:

Thermodynamic properties:

DFT calculations (details)

Formation energy (vs. elemental phases)

-156.8 meV/atom

Formation energy above hull

Phase diagram:

Phase diagram
The convex hull is temporarily not available while we perform maintenance.

Related structures:

Compounds with the same formula: Mn2FeN2

3 entries found

Compounds with the same elements: Mn-Fe-N

15 entries found

Binary compounds in Mn-Fe system

6 entries found

Binary compounds in Mn-N system

12 entries found

Binary compounds in Fe-N system

38 entries found

Magnetic properties:

DFT calculations (details)

Magnetic ordering

Ferromagnetic

Total magnetic moment

11.08 μB/cell

Averaged magnetic moment

1.11 μB/atom

Magnetic polarization, Js = μ0Ms

1.39 T (= 1106.1 emu/cm3)
LMTO-GF calculations (details)

Curie temperature, TC

DFT calculations (details)

Magnetic anisotropy constant, Ka-c

1.25 MJ/m3 (= 0.73 meV/cell)

Magnetic anisotropy constant, Kb-c

2.85 MJ/m3 (= 1.66 meV/cell)

Magnetic anisotropy constant, Kb-a

1.60 MJ/m3 (= 0.93 meV/cell)

Magnetic easy axis

c

Magnetic hardness parameter, κ

0.91

Atomic positions (fractional coordinates) and site-specific magnetic data:

index species w x y z m (μB) Esoc100 (meV) Esoc001 (meV)
1 Mn 4f 0.256166 0.000000 0.651538 2.47 . .
2 Mn 4f 0.256166 0.000000 0.348462 2.47 . .
3 Mn 4f 0.743834 0.500000 0.848462 2.47 . .
4 Mn 4f 0.743834 0.500000 0.151538 2.47 . .
5 Fe 2a 0.238475 0.000000 0.000000 0.20 . .
6 Fe 2a 0.761525 0.500000 0.500000 0.20 . .
7 N 4f 0.243916 0.000000 0.162496 -0.04 . .
8 N 4f 0.243916 0.000000 0.837504 -0.04 . .
9 N 4f 0.756084 0.500000 0.337504 -0.04 . .
10 N 4f 0.756084 0.500000 0.662496 -0.04 . .
w: site multiplicity (the number of equivalent positions) and Wyckoff letter (a label for site symmetry)
m: local magnetic moment
Esoc100 (001): Spin-orbit coupling energy for the magnetization oriented along the crystallographic a (c) axis
(Individual Esoc values are temporarily not available while we perform maintenance.)
Terms and conditions

Site-resolved magnetic moments:

Local magnetic moments

Pair-wise magnetic data:

site i site j distance (Å) Jij (meV)
1 Mn 4f 2 Mn 4f 0.86 .
1 Mn 4f 3 Mn 4f 5.90 .
1 Mn 4f 4 Mn 4f 6.05 .
1 Mn 4f 5 Fe 2a 1.00 .
1 Mn 4f 6 Fe 2a 5.90 .
1 Mn 4f 7 N 4f 1.40 .
1 Mn 4f 8 N 4f 0.53 .
1 Mn 4f 9 N 4f 5.95 .
1 Mn 4f 10 N 4f 5.89 .
2 Mn 4f 3 Mn 4f 6.05 .
2 Mn 4f 4 Mn 4f 5.90 .
2 Mn 4f 5 Fe 2a 1.00 .
2 Mn 4f 6 Fe 2a 5.90 .
2 Mn 4f 7 N 4f 0.53 .
2 Mn 4f 8 N 4f 1.40 .
2 Mn 4f 9 N 4f 5.89 .
2 Mn 4f 10 N 4f 5.95 .
3 Mn 4f 4 Mn 4f 0.86 .
3 Mn 4f 5 Fe 2a 5.90 .
3 Mn 4f 6 Fe 2a 1.00 .
3 Mn 4f 7 N 4f 5.95 .
3 Mn 4f 8 N 4f 5.89 .
3 Mn 4f 9 N 4f 1.40 .
3 Mn 4f 10 N 4f 0.53 .
4 Mn 4f 5 Fe 2a 5.90 .
4 Mn 4f 6 Fe 2a 1.00 .
4 Mn 4f 7 N 4f 5.89 .
4 Mn 4f 8 N 4f 5.95 .
4 Mn 4f 9 N 4f 0.53 .
4 Mn 4f 10 N 4f 1.40 .
5 Fe 2a 6 Fe 2a 6.04 .
5 Fe 2a 7 N 4f 0.46 .
5 Fe 2a 8 N 4f 0.46 .
5 Fe 2a 9 N 4f 5.95 .
5 Fe 2a 10 N 4f 5.95 .
6 Fe 2a 7 N 4f 5.95 .
6 Fe 2a 8 N 4f 5.95 .
6 Fe 2a 9 N 4f 0.46 .
6 Fe 2a 10 N 4f 0.46 .
7 N 4f 8 N 4f 0.93 .
7 N 4f 9 N 4f 5.90 .
7 N 4f 10 N 4f 6.05 .
8 N 4f 9 N 4f 6.05 .
8 N 4f 10 N 4f 5.90 .
9 N 4f 10 N 4f 0.93 .
Jij: magnetic exchange parameter between site i and j (Individual Jij values are temporarily not available while we perform maintenance.)
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Terms and conditions

Pair-resolved magnetic exchange parameters:

Exchange coupling parameters

Individual exchange parameters:

Exchange coupling parameters

Methods:

DFT calculations

  • exchange-correlation energy functional: GGA-PBE
  • pseudopotential type: PAW
  • cutoff energy: 65.0 Ry
  • k-point grid: (kx, ky, kz) = (22, 22, 6) for magnetic anisotropy calculations
  • package: QE (v6.3)

LMTO-GF calculations

  • k-point grid: (kx, ky, kz) =
  • energy mesh: 41 points on an elliptical contour
  • package: Questaal (v7)

References:

References

Materials Project: mp-1247361
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