Material:

Fe2CoS

ID:

MMD-790

Explore database:

Compounds with the same formula: Fe2CoS (7 entries found)
Compounds with the same elements: Fe-Co-S (34 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

monoclinic

Space group number

6

Hermann-Mauguin

Pm

Hall

P -2y

Point group

m

Structure data:

Normalized formula

Fe2CoS

The number of formula units per unit cell

4

The total number of atoms per unit cell

16

The number of inequivalent sites per unit cell

12

Structure search

AGA search

Lattice parameters:

a (Å)

4.9540

b (Å)

7.0300

c (Å)

5.3280

α (deg.)

90.000

β (deg.)

89.841

γ (deg.)

90.000

Volume (Å3)

185.556

Density (g/cm3)

7.255

Crystal structure visualization:

Thermodynamic properties:

DFT calculations (details)

Formation energy (vs. elemental phases)

-97.7 meV/atom

Formation energy above hull

191.0 meV/atom

Phase diagram:

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

Related structures:

Compounds with the same formula: Fe2CoS

7 entries found

Compounds with the same elements: Fe-Co-S

34 entries found

Binary compounds in Fe-Co system

11 entries found

Binary compounds in Fe-S system

45 entries found

Binary compounds in Co-S system

12 entries found

Magnetic properties:

DFT calculations (details)

Magnetic ordering

Ferromagnetic

Total magnetic moment

23.12 μB/cell

Averaged magnetic moment

1.45 μB/atom

Magnetic polarization, Js = μ0Ms

1.45 T (= 1153.9 emu/cm3)
LMTO-GF calculations (details)

Curie temperature, TC

DFT calculations (details)

Magnetic anisotropy constant, Ka-c

-0.31 MJ/m3 (= -0.35 meV/cell)

Magnetic anisotropy constant, Kb-c

0.51 MJ/m3 (= 0.59 meV/cell)

Magnetic anisotropy constant, Kb-a

0.82 MJ/m3 (= 0.94 meV/cell)

Magnetic easy axis

a

Magnetic hardness parameter, κ

0.43

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

index species w x y z m (μB) Esoc100 (meV) Esoc001 (meV)
1 S 1a 0.971040 0.000000 0.952840 0.00 . .
2 S 1b 0.274930 0.500000 0.107060 0.01 . .
3 S 1b 0.769030 0.500000 0.446610 0.01 . .
4 S 1a 0.457490 0.000000 0.617250 0.02 . .
5 Co 2c 0.350220 0.805460 0.933640 1.22 . .
6 Co 2c 0.350220 0.194540 0.933640 1.22 . .
7 Co 1a 0.146030 0.000000 0.326610 1.27 . .
8 Co 1b 0.587560 0.500000 0.821200 1.24 . .
9 Fe 2c 0.878190 0.698290 0.123230 2.30 . .
10 Fe 2c 0.878190 0.301710 0.123230 2.30 . .
11 Fe 2c 0.379390 0.696850 0.435810 2.32 . .
12 Fe 2c 0.379390 0.303150 0.435810 2.32 . .
13 Fe 2c 0.847780 0.803070 0.633800 2.30 . .
14 Fe 2c 0.847780 0.196930 0.633800 2.30 . .
15 Fe 1b 0.089610 0.500000 0.735110 2.10 . .
16 Fe 1a 0.645110 0.000000 0.239810 2.18 . .
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 S 1a 2 S 1b 3.91 .
1 S 1a 3 S 1b 4.50 .
1 S 1a 4 S 1a 3.00 .
1 S 1a 5 Co 2c 2.33 .
1 S 1a 6 Co 2c 2.33 .
1 S 1a 7 Co 1a 2.17 .
1 S 1a 8 Co 1b 4.06 .
1 S 1a 9 Fe 2c 2.35 .
1 S 1a 10 Fe 2c 2.35 .
1 S 1a 11 Fe 2c 3.91 .
1 S 1a 12 Fe 2c 3.91 .
1 S 1a 13 Fe 2c 2.28 .
1 S 1a 14 Fe 2c 2.28 .
1 S 1a 15 Fe 1b 3.75 .
1 S 1a 16 Fe 1a 2.22 .
2 S 1b 3 S 1b 3.05 .
2 S 1b 4 S 1a 4.47 .
2 S 1b 5 Co 2c 2.37 .
2 S 1b 6 Co 2c 2.37 .
2 S 1b 7 Co 1a 3.76 .
2 S 1b 8 Co 1b 2.17 .
2 S 1b 9 Fe 2c 2.41 .
2 S 1b 10 Fe 2c 2.41 .
2 S 1b 11 Fe 2c 2.29 .
2 S 1b 12 Fe 2c 2.29 .
2 S 1b 13 Fe 2c 3.92 .
2 S 1b 14 Fe 2c 3.92 .
2 S 1b 15 Fe 1b 2.19 .
2 S 1b 16 Fe 1a 4.03 .
3 S 1b 4 S 1a 3.94 .
3 S 1b 5 Co 2c 3.95 .
3 S 1b 6 Co 2c 3.95 .
3 S 1b 7 Co 1a 4.03 .
3 S 1b 8 Co 1b 2.19 .
3 S 1b 9 Fe 2c 2.28 .
3 S 1b 10 Fe 2c 2.28 .
3 S 1b 11 Fe 2c 2.38 .
3 S 1b 12 Fe 2c 2.38 .
3 S 1b 13 Fe 2c 2.39 .
3 S 1b 14 Fe 2c 2.39 .
3 S 1b 15 Fe 1b 2.21 .
3 S 1b 16 Fe 1a 3.73 .
4 S 1a 5 Co 2c 2.23 .
4 S 1a 6 Co 2c 2.23 .
4 S 1a 7 Co 1a 2.19 .
4 S 1a 8 Co 1b 3.74 .
4 S 1a 9 Fe 2c 3.97 .
4 S 1a 10 Fe 2c 3.97 .
4 S 1a 11 Fe 2c 2.37 .
4 S 1a 12 Fe 2c 2.37 .
4 S 1a 13 Fe 2c 2.38 .
4 S 1a 14 Fe 2c 2.38 .
4 S 1a 15 Fe 1b 4.01 .
4 S 1a 16 Fe 1a 2.21 .
5 Co 2c 6 Co 2c 2.74 .
5 Co 2c 7 Co 1a 2.70 .
5 Co 2c 8 Co 1b 2.52 .
5 Co 2c 9 Fe 2c 2.65 .
5 Co 2c 10 Fe 2c 4.32 .
5 Co 2c 11 Fe 2c 2.76 .
5 Co 2c 12 Fe 2c 4.39 .
5 Co 2c 13 Fe 2c 2.93 .
5 Co 2c 14 Fe 2c 4.02 .
5 Co 2c 15 Fe 1b 2.72 .
5 Co 2c 16 Fe 1a 2.58 .
6 Co 2c 7 Co 1a 2.70 .
6 Co 2c 8 Co 1b 2.52 .
6 Co 2c 9 Fe 2c 4.32 .
6 Co 2c 10 Fe 2c 2.65 .
6 Co 2c 11 Fe 2c 4.39 .
6 Co 2c 12 Fe 2c 2.76 .
6 Co 2c 13 Fe 2c 4.02 .
6 Co 2c 14 Fe 2c 2.93 .
6 Co 2c 15 Fe 1b 2.72 .
6 Co 2c 16 Fe 1a 2.58 .
7 Co 1a 8 Co 1b 4.91 .
7 Co 1a 9 Fe 2c 2.73 .
7 Co 1a 10 Fe 2c 2.73 .
7 Co 1a 11 Fe 2c 2.49 .
7 Co 1a 12 Fe 2c 2.49 .
7 Co 1a 13 Fe 2c 2.60 .
7 Co 1a 14 Fe 2c 2.60 .
7 Co 1a 15 Fe 1b 4.14 .
7 Co 1a 16 Fe 1a 2.51 .
8 Co 1b 9 Fe 2c 2.57 .
8 Co 1b 10 Fe 2c 2.57 .
8 Co 1b 11 Fe 2c 2.68 .
8 Co 1b 12 Fe 2c 2.68 .
8 Co 1b 13 Fe 2c 2.68 .
8 Co 1b 14 Fe 2c 2.68 .
8 Co 1b 15 Fe 1b 2.51 .
8 Co 1b 16 Fe 1a 4.17 .
9 Fe 2c 10 Fe 2c 2.79 .
9 Fe 2c 11 Fe 2c 2.98 .
9 Fe 2c 12 Fe 2c 4.07 .
9 Fe 2c 13 Fe 2c 2.71 .
9 Fe 2c 14 Fe 2c 4.37 .
9 Fe 2c 15 Fe 1b 2.70 .
9 Fe 2c 16 Fe 1a 2.49 .
10 Fe 2c 11 Fe 2c 4.07 .
10 Fe 2c 12 Fe 2c 2.98 .
10 Fe 2c 13 Fe 2c 4.37 .
10 Fe 2c 14 Fe 2c 2.71 .
10 Fe 2c 15 Fe 1b 2.70 .
10 Fe 2c 16 Fe 1a 2.49 .
11 Fe 2c 12 Fe 2c 2.77 .
11 Fe 2c 13 Fe 2c 2.66 .
11 Fe 2c 14 Fe 2c 4.34 .
11 Fe 2c 15 Fe 1b 2.55 .
11 Fe 2c 16 Fe 1a 2.71 .
12 Fe 2c 13 Fe 2c 4.34 .
12 Fe 2c 14 Fe 2c 2.66 .
12 Fe 2c 15 Fe 1b 2.55 .
12 Fe 2c 16 Fe 1a 2.71 .
13 Fe 2c 14 Fe 2c 2.77 .
13 Fe 2c 15 Fe 1b 2.50 .
13 Fe 2c 16 Fe 1a 2.71 .
14 Fe 2c 15 Fe 1b 2.50 .
14 Fe 2c 16 Fe 1a 2.71 .
15 Fe 1b 16 Fe 1a 4.92 .
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) = (10, 8, 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

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