Material:

Fe5CoN2

ID:

MMD-17

Explore database:

Compounds with the same formula: Fe5CoN2 (5 entries found)
Compounds with the same elements: Fe-Co-N (272 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

38

Hermann-Mauguin

Amm2

Hall

A 2 -2

Point group

mm2

Structure data:

Normalized formula

Fe5CoN2

The number of formula units per unit cell

2

The total number of atoms per unit cell

16

The number of inequivalent sites per unit cell

8

Structure search

AGA search

Lattice parameters:

a (Å)

3.8339

b (Å)

3.7638

c (Å)

11.1616

α (deg.)

90.000

β (deg.)

90.000

γ (deg.)

90.000

Volume (Å3)

161.063

Density (g/cm3)

7.550

Crystal structure visualization:

Thermodynamic properties:

DFT calculations (details)

Formation energy (vs. elemental phases)

-14.7 meV/atom

Formation energy above hull

77.1 meV/atom

Phase diagram:

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

Related structures:

Compounds with the same formula: Fe5CoN2

5 entries found

Compounds with the same elements: Fe-Co-N

272 entries found

Binary compounds in Fe-Co system

11 entries found

Binary compounds in Fe-N system

38 entries found

Binary compounds in Co-N system

183 entries found

Magnetic properties:

DFT calculations (details)

Magnetic ordering

Ferromagnetic

Total magnetic moment

23.88 μB/cell

Averaged magnetic moment

1.49 μB/atom

Magnetic polarization, Js = μ0Ms

1.73 T (= 1376.7 emu/cm3)
LMTO-GF calculations (details)

Curie temperature, TC

DFT calculations (details)

Magnetic anisotropy constant, Ka-c

1.47 MJ/m3 (= 1.48 meV/cell)

Magnetic anisotropy constant, Kb-c

2.56 MJ/m3 (= 2.58 meV/cell)

Magnetic anisotropy constant, Kb-a

1.09 MJ/m3 (= 1.10 meV/cell)

Magnetic easy axis

c

Magnetic hardness parameter, κ

0.79

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

index species w x y z m (μB) Esoc100 (meV) Esoc001 (meV)
1 N 2a 0.000000 0.000000 0.000000 -0.00 . .
2 N 2a 0.000000 0.500000 0.500000 -0.00 . .
3 N 2b 0.500000 0.000000 0.177480 -0.03 . .
4 N 2b 0.500000 0.500000 0.677480 -0.03 . .
5 Co 2a 0.000000 0.000000 0.833440 1.42 . .
6 Co 2a 0.000000 0.500000 0.333440 1.42 . .
7 Fe 2b 0.500000 0.000000 0.346490 2.24 . .
8 Fe 2b 0.500000 0.500000 0.846490 2.24 . .
9 Fe 2b 0.500000 0.000000 0.995670 1.88 . .
10 Fe 2b 0.500000 0.500000 0.495670 1.88 . .
11 Fe 2a 0.000000 0.000000 0.499580 1.87 . .
12 Fe 2a 0.000000 0.500000 0.999580 1.87 . .
13 Fe 2a 0.000000 0.000000 0.183310 1.92 . .
14 Fe 2a 0.000000 0.500000 0.683310 1.92 . .
15 Fe 2b 0.500000 0.000000 0.676540 1.93 . .
16 Fe 2b 0.500000 0.500000 0.176540 1.93 . .
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 N 2a 2 N 2a 5.89 .
1 N 2a 3 N 2b 2.76 .
1 N 2a 4 N 2b 4.49 .
1 N 2a 5 Co 2a 1.86 .
1 N 2a 6 Co 2a 4.17 .
1 N 2a 7 Fe 2b 4.32 .
1 N 2a 8 Fe 2b 3.19 .
1 N 2a 9 Fe 2b 1.92 .
1 N 2a 10 Fe 2b 6.15 .
1 N 2a 11 Fe 2a 5.58 .
1 N 2a 12 Fe 2a 1.88 .
1 N 2a 13 Fe 2a 2.05 .
1 N 2a 14 Fe 2a 4.00 .
1 N 2a 15 Fe 2b 4.09 .
1 N 2a 16 Fe 2b 3.33 .
2 N 2a 3 N 2b 4.49 .
2 N 2a 4 N 2b 2.76 .
2 N 2a 5 Co 2a 4.17 .
2 N 2a 6 Co 2a 1.86 .
2 N 2a 7 Fe 2b 3.19 .
2 N 2a 8 Fe 2b 4.32 .
2 N 2a 9 Fe 2b 6.15 .
2 N 2a 10 Fe 2b 1.92 .
2 N 2a 11 Fe 2a 1.88 .
2 N 2a 12 Fe 2a 5.58 .
2 N 2a 13 Fe 2a 4.00 .
2 N 2a 14 Fe 2a 2.05 .
2 N 2a 15 Fe 2b 3.33 .
2 N 2a 16 Fe 2b 4.09 .
3 N 2b 4 N 2b 5.89 .
3 N 2b 5 Co 2a 4.29 .
3 N 2b 6 Co 2a 3.20 .
3 N 2b 7 Fe 2b 1.89 .
3 N 2b 8 Fe 2b 4.15 .
3 N 2b 9 Fe 2b 2.03 .
3 N 2b 10 Fe 2b 4.02 .
3 N 2b 11 Fe 2a 4.07 .
3 N 2b 12 Fe 2a 3.34 .
3 N 2b 13 Fe 2a 1.92 .
3 N 2b 14 Fe 2a 6.14 .
3 N 2b 15 Fe 2b 5.57 .
3 N 2b 16 Fe 2b 1.88 .
4 N 2b 5 Co 2a 3.20 .
4 N 2b 6 Co 2a 4.29 .
4 N 2b 7 Fe 2b 4.15 .
4 N 2b 8 Fe 2b 1.89 .
4 N 2b 9 Fe 2b 4.02 .
4 N 2b 10 Fe 2b 2.03 .
4 N 2b 11 Fe 2a 3.34 .
4 N 2b 12 Fe 2a 4.07 .
4 N 2b 13 Fe 2a 6.14 .
4 N 2b 14 Fe 2a 1.92 .
4 N 2b 15 Fe 2b 1.88 .
4 N 2b 16 Fe 2b 5.57 .
5 Co 2a 6 Co 2a 5.89 .
5 Co 2a 7 Fe 2b 5.76 .
5 Co 2a 8 Fe 2b 2.69 .
5 Co 2a 9 Fe 2b 2.64 .
5 Co 2a 10 Fe 2b 4.63 .
5 Co 2a 11 Fe 2a 3.73 .
5 Co 2a 12 Fe 2a 2.64 .
5 Co 2a 13 Fe 2a 3.91 .
5 Co 2a 14 Fe 2a 2.52 .
5 Co 2a 15 Fe 2b 2.60 .
5 Co 2a 16 Fe 2b 4.68 .
6 Co 2a 7 Fe 2b 2.69 .
6 Co 2a 8 Fe 2b 5.76 .
6 Co 2a 9 Fe 2b 4.63 .
6 Co 2a 10 Fe 2b 2.64 .
6 Co 2a 11 Fe 2a 2.64 .
6 Co 2a 12 Fe 2a 3.73 .
6 Co 2a 13 Fe 2a 2.52 .
6 Co 2a 14 Fe 2a 3.91 .
6 Co 2a 15 Fe 2b 4.68 .
6 Co 2a 16 Fe 2b 2.60 .
7 Fe 2b 8 Fe 2b 5.89 .
7 Fe 2b 9 Fe 2b 3.92 .
7 Fe 2b 10 Fe 2b 2.51 .
7 Fe 2b 11 Fe 2a 2.57 .
7 Fe 2b 12 Fe 2a 4.71 .
7 Fe 2b 13 Fe 2a 2.64 .
7 Fe 2b 14 Fe 2a 4.62 .
7 Fe 2b 15 Fe 2b 3.68 .
7 Fe 2b 16 Fe 2b 2.67 .
8 Fe 2b 9 Fe 2b 2.51 .
8 Fe 2b 10 Fe 2b 3.92 .
8 Fe 2b 11 Fe 2a 4.71 .
8 Fe 2b 12 Fe 2a 2.57 .
8 Fe 2b 13 Fe 2a 4.62 .
8 Fe 2b 14 Fe 2a 2.64 .
8 Fe 2b 15 Fe 2b 2.67 .
8 Fe 2b 16 Fe 2b 3.68 .
9 Fe 2b 10 Fe 2b 5.89 .
9 Fe 2b 11 Fe 2a 5.86 .
9 Fe 2b 12 Fe 2a 2.69 .
9 Fe 2b 13 Fe 2a 2.84 .
9 Fe 2b 14 Fe 2a 4.40 .
9 Fe 2b 15 Fe 2b 3.56 .
9 Fe 2b 16 Fe 2b 2.76 .
10 Fe 2b 11 Fe 2a 2.69 .
10 Fe 2b 12 Fe 2a 5.86 .
10 Fe 2b 13 Fe 2a 4.40 .
10 Fe 2b 14 Fe 2a 2.84 .
10 Fe 2b 15 Fe 2b 2.76 .
10 Fe 2b 16 Fe 2b 3.56 .
11 Fe 2a 12 Fe 2a 5.89 .
11 Fe 2a 13 Fe 2a 3.53 .
11 Fe 2a 14 Fe 2a 2.78 .
11 Fe 2a 15 Fe 2b 2.75 .
11 Fe 2a 16 Fe 2b 4.50 .
12 Fe 2a 13 Fe 2a 2.78 .
12 Fe 2a 14 Fe 2a 3.53 .
12 Fe 2a 15 Fe 2b 4.50 .
12 Fe 2a 16 Fe 2b 2.75 .
13 Fe 2a 14 Fe 2a 5.89 .
13 Fe 2a 15 Fe 2b 5.83 .
13 Fe 2a 16 Fe 2b 2.69 .
14 Fe 2a 15 Fe 2b 2.69 .
14 Fe 2a 16 Fe 2b 5.83 .
15 Fe 2b 16 Fe 2b 5.89 .
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) = (16, 16, 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

Phys. Rev. B 94, 224424 (2016). DOI: 10.1103/PhysRevB.94.224424
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