Material:

Fe7CoN

ID:

MMD-99

Explore database:

Compounds with the same formula: Fe7CoN (10 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

tetragonal

Space group number

119

Hermann-Mauguin

I-4m2

Hall

I -4 -2

Point group

-42m

Structure data:

Normalized formula

Fe7CoN

The number of formula units per unit cell

2

The total number of atoms per unit cell

18

The number of inequivalent sites per unit cell

5

Structure search

AGA search

Lattice parameters:

a (Å)

5.6672

b (Å)

5.6672

c (Å)

6.2288

α (deg.)

90.000

β (deg.)

90.000

γ (deg.)

90.000

Volume (Å3)

200.051

Density (g/cm3)

7.701

Crystal structure visualization:

Thermodynamic properties:

DFT calculations (details)

Formation energy (vs. elemental phases)

-21.6 meV/atom

Formation energy above hull

31.0 meV/atom

Phase diagram:

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

Related structures:

Compounds with the same formula: Fe7CoN

10 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

37.02 μB/cell

Averaged magnetic moment

2.06 μB/atom

Magnetic polarization, Js = μ0Ms

2.16 T (= 1718.9 emu/cm3)
LMTO-GF calculations (details)

Curie temperature, TC

DFT calculations (details)

Magnetic anisotropy constant, Ka-c

1.51 MJ/m3 (= 1.88 meV/cell)

Magnetic easy axis

c

Magnetic hardness parameter, κ

0.64

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 -0.05 . .
2 N 2a 0.500000 0.500000 0.500000 -0.05 . .
3 Co 2d 0.000000 0.500000 0.750000 1.98 . .
4 Co 2d 0.500000 0.000000 0.250000 1.98 . .
5 Fe 8g 0.755730 0.755730 0.000000 2.23 . .
6 Fe 8g 0.244270 0.244270 0.000000 2.23 . .
7 Fe 8g 0.755730 0.244270 0.000000 2.23 . .
8 Fe 8g 0.244270 0.755730 0.000000 2.23 . .
9 Fe 8g 0.255730 0.255730 0.500000 2.23 . .
10 Fe 8g 0.744270 0.744270 0.500000 2.23 . .
11 Fe 8g 0.255730 0.744270 0.500000 2.23 . .
12 Fe 8g 0.744270 0.255730 0.500000 2.23 . .
13 Fe 4e 0.000000 0.000000 0.707060 1.91 . .
14 Fe 4e 0.000000 0.000000 0.292940 1.91 . .
15 Fe 4e 0.500000 0.500000 0.207060 1.91 . .
16 Fe 4e 0.500000 0.500000 0.792940 1.91 . .
17 Fe 2c 0.000000 0.500000 0.250000 2.55 . .
18 Fe 2c 0.500000 0.000000 0.750000 2.55 . .
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 5.08 .
1 N 2a 3 Co 2d 3.23 .
1 N 2a 4 Co 2d 3.23 .
1 N 2a 5 Fe 8g 1.96 .
1 N 2a 6 Fe 8g 1.96 .
1 N 2a 7 Fe 8g 1.96 .
1 N 2a 8 Fe 8g 1.96 .
1 N 2a 9 Fe 8g 3.73 .
1 N 2a 10 Fe 8g 3.73 .
1 N 2a 11 Fe 8g 3.73 .
1 N 2a 12 Fe 8g 3.73 .
1 N 2a 13 Fe 4e 1.82 .
1 N 2a 14 Fe 4e 1.82 .
1 N 2a 15 Fe 4e 4.21 .
1 N 2a 16 Fe 4e 4.21 .
1 N 2a 17 Fe 2c 3.23 .
1 N 2a 18 Fe 2c 3.23 .
2 N 2a 3 Co 2d 3.23 .
2 N 2a 4 Co 2d 3.23 .
2 N 2a 5 Fe 8g 3.73 .
2 N 2a 6 Fe 8g 3.73 .
2 N 2a 7 Fe 8g 3.73 .
2 N 2a 8 Fe 8g 3.73 .
2 N 2a 9 Fe 8g 1.96 .
2 N 2a 10 Fe 8g 1.96 .
2 N 2a 11 Fe 8g 1.96 .
2 N 2a 12 Fe 8g 1.96 .
2 N 2a 13 Fe 4e 4.21 .
2 N 2a 14 Fe 4e 4.21 .
2 N 2a 15 Fe 4e 1.82 .
2 N 2a 16 Fe 4e 1.82 .
2 N 2a 17 Fe 2c 3.23 .
2 N 2a 18 Fe 2c 3.23 .
3 Co 2d 4 Co 2d 5.08 .
3 Co 2d 5 Fe 8g 2.54 .
3 Co 2d 6 Fe 8g 2.54 .
3 Co 2d 7 Fe 8g 2.54 .
3 Co 2d 8 Fe 8g 2.54 .
3 Co 2d 9 Fe 8g 2.54 .
3 Co 2d 10 Fe 8g 2.54 .
3 Co 2d 11 Fe 8g 2.54 .
3 Co 2d 12 Fe 8g 2.54 .
3 Co 2d 13 Fe 4e 2.85 .
3 Co 2d 14 Fe 4e 4.02 .
3 Co 2d 15 Fe 4e 4.02 .
3 Co 2d 16 Fe 4e 2.85 .
3 Co 2d 17 Fe 2c 3.11 .
3 Co 2d 18 Fe 2c 4.01 .
4 Co 2d 5 Fe 8g 2.54 .
4 Co 2d 6 Fe 8g 2.54 .
4 Co 2d 7 Fe 8g 2.54 .
4 Co 2d 8 Fe 8g 2.54 .
4 Co 2d 9 Fe 8g 2.54 .
4 Co 2d 10 Fe 8g 2.54 .
4 Co 2d 11 Fe 8g 2.54 .
4 Co 2d 12 Fe 8g 2.54 .
4 Co 2d 13 Fe 4e 4.02 .
4 Co 2d 14 Fe 4e 2.85 .
4 Co 2d 15 Fe 4e 2.85 .
4 Co 2d 16 Fe 4e 4.02 .
4 Co 2d 17 Fe 2c 4.01 .
4 Co 2d 18 Fe 2c 3.11 .
5 Fe 8g 6 Fe 8g 3.92 .
5 Fe 8g 7 Fe 8g 2.77 .
5 Fe 8g 8 Fe 8g 2.77 .
5 Fe 8g 9 Fe 8g 5.08 .
5 Fe 8g 10 Fe 8g 3.12 .
5 Fe 8g 11 Fe 8g 4.21 .
5 Fe 8g 12 Fe 8g 4.21 .
5 Fe 8g 13 Fe 4e 2.68 .
5 Fe 8g 14 Fe 4e 2.68 .
5 Fe 8g 15 Fe 4e 2.42 .
5 Fe 8g 16 Fe 4e 2.42 .
5 Fe 8g 17 Fe 2c 2.54 .
5 Fe 8g 18 Fe 2c 2.54 .
6 Fe 8g 7 Fe 8g 2.77 .
6 Fe 8g 8 Fe 8g 2.77 .
6 Fe 8g 9 Fe 8g 3.12 .
6 Fe 8g 10 Fe 8g 5.08 .
6 Fe 8g 11 Fe 8g 4.21 .
6 Fe 8g 12 Fe 8g 4.21 .
6 Fe 8g 13 Fe 4e 2.68 .
6 Fe 8g 14 Fe 4e 2.68 .
6 Fe 8g 15 Fe 4e 2.42 .
6 Fe 8g 16 Fe 4e 2.42 .
6 Fe 8g 17 Fe 2c 2.54 .
6 Fe 8g 18 Fe 2c 2.54 .
7 Fe 8g 8 Fe 8g 3.92 .
7 Fe 8g 9 Fe 8g 4.21 .
7 Fe 8g 10 Fe 8g 4.21 .
7 Fe 8g 11 Fe 8g 5.08 .
7 Fe 8g 12 Fe 8g 3.12 .
7 Fe 8g 13 Fe 4e 2.68 .
7 Fe 8g 14 Fe 4e 2.68 .
7 Fe 8g 15 Fe 4e 2.42 .
7 Fe 8g 16 Fe 4e 2.42 .
7 Fe 8g 17 Fe 2c 2.54 .
7 Fe 8g 18 Fe 2c 2.54 .
8 Fe 8g 9 Fe 8g 4.21 .
8 Fe 8g 10 Fe 8g 4.21 .
8 Fe 8g 11 Fe 8g 3.12 .
8 Fe 8g 12 Fe 8g 5.08 .
8 Fe 8g 13 Fe 4e 2.68 .
8 Fe 8g 14 Fe 4e 2.68 .
8 Fe 8g 15 Fe 4e 2.42 .
8 Fe 8g 16 Fe 4e 2.42 .
8 Fe 8g 17 Fe 2c 2.54 .
8 Fe 8g 18 Fe 2c 2.54 .
9 Fe 8g 10 Fe 8g 3.92 .
9 Fe 8g 11 Fe 8g 2.77 .
9 Fe 8g 12 Fe 8g 2.77 .
9 Fe 8g 13 Fe 4e 2.42 .
9 Fe 8g 14 Fe 4e 2.42 .
9 Fe 8g 15 Fe 4e 2.68 .
9 Fe 8g 16 Fe 4e 2.68 .
9 Fe 8g 17 Fe 2c 2.54 .
9 Fe 8g 18 Fe 2c 2.54 .
10 Fe 8g 11 Fe 8g 2.77 .
10 Fe 8g 12 Fe 8g 2.77 .
10 Fe 8g 13 Fe 4e 2.42 .
10 Fe 8g 14 Fe 4e 2.42 .
10 Fe 8g 15 Fe 4e 2.68 .
10 Fe 8g 16 Fe 4e 2.68 .
10 Fe 8g 17 Fe 2c 2.54 .
10 Fe 8g 18 Fe 2c 2.54 .
11 Fe 8g 12 Fe 8g 3.92 .
11 Fe 8g 13 Fe 4e 2.42 .
11 Fe 8g 14 Fe 4e 2.42 .
11 Fe 8g 15 Fe 4e 2.68 .
11 Fe 8g 16 Fe 4e 2.68 .
11 Fe 8g 17 Fe 2c 2.54 .
11 Fe 8g 18 Fe 2c 2.54 .
12 Fe 8g 13 Fe 4e 2.42 .
12 Fe 8g 14 Fe 4e 2.42 .
12 Fe 8g 15 Fe 4e 2.68 .
12 Fe 8g 16 Fe 4e 2.68 .
12 Fe 8g 17 Fe 2c 2.54 .
12 Fe 8g 18 Fe 2c 2.54 .
13 Fe 4e 14 Fe 4e 2.58 .
13 Fe 4e 15 Fe 4e 5.08 .
13 Fe 4e 16 Fe 4e 4.04 .
13 Fe 4e 17 Fe 2c 4.02 .
13 Fe 4e 18 Fe 2c 2.85 .
14 Fe 4e 15 Fe 4e 4.04 .
14 Fe 4e 16 Fe 4e 5.08 .
14 Fe 4e 17 Fe 2c 2.85 .
14 Fe 4e 18 Fe 2c 4.02 .
15 Fe 4e 16 Fe 4e 2.58 .
15 Fe 4e 17 Fe 2c 2.85 .
15 Fe 4e 18 Fe 2c 4.02 .
16 Fe 4e 17 Fe 2c 4.02 .
16 Fe 4e 18 Fe 2c 2.85 .
17 Fe 2c 18 Fe 2c 5.08 .
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) = (12, 12, 10) 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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