Material:

Ga2FeS4

ID:

MMD-2344

Explore database:

Compounds with the same formula: Ga2FeS4 (1 entry found)
Compounds with the same elements: Ga-Fe-S (4 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

trigonal

Space group number

164

Hermann-Mauguin

P-3m1

Hall

-P 3 2"

Point group

-3m

Structure data:

Normalized formula

Ga2FeS4

The number of formula units per unit cell

1

The total number of atoms per unit cell

7

The number of inequivalent sites per unit cell

4

Structure search

MP

Lattice parameters:

a (Å)

3.6589

b (Å)

3.6589

c (Å)

12.4100

α (deg.)

90.000

β (deg.)

90.000

γ (deg.)

120.000

Volume (Å3)

143.885

Density (g/cm3)

3.734

Crystal structure visualization:

Thermodynamic properties:

DFT calculations (details)

Formation energy (vs. elemental phases)

-519.1 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: Ga2FeS4

1 entry found

Compounds with the same elements: Ga-Fe-S

4 entries found

Binary compounds in Ga-Fe system

11 entries found

Binary compounds in Ga-S system

No entries found

Binary compounds in Fe-S system

45 entries found

Magnetic properties:

DFT calculations (details)

Magnetic ordering

Ferromagnetic

Total magnetic moment

3.99 μB/cell

Averaged magnetic moment

0.57 μB/atom

Magnetic polarization, Js = μ0Ms

0.32 T (= 254.6 emu/cm3)
LMTO-GF calculations (details)

Curie temperature, TC

DFT calculations (details)

Magnetic anisotropy constant, Ka-c

-5.95 MJ/m3 (= -5.34 meV/cell)

Magnetic easy axis

ab plane

Magnetic hardness parameter, κ

8.48

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

index species w x y z m (μB) Esoc100 (meV) Esoc001 (meV)
1 Ga 2d 0.333333 0.666667 0.216609 0.00 . .
2 Ga 2d 0.666667 0.333333 0.783391 0.00 . .
3 Fe 1b 0.000000 0.000000 0.500000 3.36 . .
4 S 2d 0.666667 0.333333 0.604453 0.14 . .
5 S 2d 0.333333 0.666667 0.395547 0.14 . .
6 S 2d 0.666667 0.333333 0.133215 0.01 . .
7 S 2d 0.333333 0.666667 0.866785 0.01 . .
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 Ga 2d 2 Ga 2d 5.78 .
1 Ga 2d 3 Fe 1b 4.10 .
1 Ga 2d 4 S 2d 5.26 .
1 Ga 2d 5 S 2d 2.22 .
1 Ga 2d 6 S 2d 2.35 .
1 Ga 2d 7 S 2d 4.34 .
2 Ga 2d 3 Fe 1b 4.10 .
2 Ga 2d 4 S 2d 2.22 .
2 Ga 2d 5 S 2d 5.26 .
2 Ga 2d 6 S 2d 4.34 .
2 Ga 2d 7 S 2d 2.35 .
3 Fe 1b 4 S 2d 2.48 .
3 Fe 1b 5 S 2d 2.48 .
3 Fe 1b 6 S 2d 5.02 .
3 Fe 1b 7 S 2d 5.02 .
4 S 2d 5 S 2d 3.34 .
4 S 2d 6 S 2d 5.85 .
4 S 2d 7 S 2d 3.88 .
5 S 2d 6 S 2d 3.88 .
5 S 2d 7 S 2d 5.85 .
6 S 2d 7 S 2d 3.92 .
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:


Diagram is not available for this entry.

Individual exchange parameters:


Diagram is not available for this entry.

Methods:

DFT calculations

  • exchange-correlation energy functional: GGA-PBE
  • pseudopotential type: PAW
  • cutoff energy: 65.0 Ry
  • k-point grid: (kx, ky, kz) = (20, 20, 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-20793
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