Material:

MnCo3C

ID:

MMD-2509

Explore database:

Compounds with the same formula: MnCo3C (1 entry found)
Compounds with the same elements: Mn-Co-C (2 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

cubic

Space group number

221

Hermann-Mauguin

Pm-3m

Hall

-P 4 2 3

Point group

m-3m

Structure data:

Normalized formula

MnCo3C

The number of formula units per unit cell

1

The total number of atoms per unit cell

5

The number of inequivalent sites per unit cell

3

Structure search

MP

Lattice parameters:

a (Å)

3.7543

b (Å)

3.7543

c (Å)

3.7543

α (deg.)

90.000

β (deg.)

90.000

γ (deg.)

90.000

Volume (Å3)

52.918

Density (g/cm3)

7.649

Crystal structure visualization:

Thermodynamic properties:

DFT calculations (details)

Formation energy (vs. elemental phases)

25.5 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: MnCo3C

1 entry found

Compounds with the same elements: Mn-Co-C

2 entries found

Binary compounds in Mn-Co system

4 entries found

Binary compounds in Mn-C system

4 entries found

Binary compounds in Co-C system

2 entries found

Magnetic properties:

DFT calculations (details)

Magnetic ordering

Ferromagnetic

Total magnetic moment

6.34 μB/cell

Averaged magnetic moment

1.27 μB/atom

Magnetic polarization, Js = μ0Ms

1.40 T (= 1114.1 emu/cm3)
LMTO-GF calculations (details)

Curie temperature, TC

DFT calculations (details)

Magnetic anisotropy constant, Kd-a

0.20 MJ/m3 (= 0.07 meV/cell)

Magnetic easy axis

a

Magnetic hardness parameter, κ

0.36

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

index species w x y z m (μB) Esoc100 (meV) Esoc001 (meV)
1 Mn 1b 0.500000 0.500000 0.500000 3.71 . .
2 Co 3d 0.500000 0.000000 0.000000 0.85 . .
3 Co 3d 0.000000 0.500000 0.000000 0.85 . .
4 Co 3d 0.000000 0.000000 0.500000 0.85 . .
5 C 1a 0.000000 0.000000 0.000000 -0.03 . .
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 1b 2 Co 3d 2.65 .
1 Mn 1b 3 Co 3d 2.65 .
1 Mn 1b 4 Co 3d 2.65 .
1 Mn 1b 5 C 1a 3.25 .
2 Co 3d 3 Co 3d 2.65 .
2 Co 3d 4 Co 3d 2.65 .
2 Co 3d 5 C 1a 1.88 .
3 Co 3d 4 Co 3d 2.65 .
3 Co 3d 5 C 1a 1.88 .
4 Co 3d 5 C 1a 1.88 .
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, 16) 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-1210746
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