Material:

Y2Ga8Co

ID:

MMD-1743

Explore database:

Compounds with the same formula: Y2Ga8Co (1 entry found)
Compounds with the same elements: Y-Ga-Co (10 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

123

Hermann-Mauguin

P4/mmm

Hall

-P 4 2

Point group

4/mmm

Structure data:

Normalized formula

Y2Ga8Co

The number of formula units per unit cell

1

The total number of atoms per unit cell

11

The number of inequivalent sites per unit cell

5

Structure search

MP

Lattice parameters:

a (Å)

4.2669

b (Å)

4.2669

c (Å)

11.0778

α (deg.)

90.000

β (deg.)

90.000

γ (deg.)

90.000

Volume (Å3)

201.690

Density (g/cm3)

6.541

Crystal structure visualization:

Thermodynamic properties:

DFT calculations (details)

Formation energy (vs. elemental phases)

-479.6 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: Y2Ga8Co

1 entry found

Compounds with the same elements: Y-Ga-Co

10 entries found

Binary compounds in Y-Ga system

No entries found

Binary compounds in Y-Co system

18 entries found

Binary compounds in Ga-Co system

5 entries found

Magnetic properties:

DFT calculations (details)

Magnetic ordering

non-magnetic

Total magnetic moment

0.00 μB/cell

Averaged magnetic moment

0.00 μB/atom

Magnetic polarization, Js = μ0Ms

0.00 T (= 0.0 emu/cm3)
Data for the Curie temperature are not available for this entry.
Data for the magnetic anisotropy are not available for this entry.

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

index species w x y z m (μB) Esoc100 (meV) Esoc001 (meV)
1 Y 2g 0.000000 0.000000 0.693998 -0.00 . .
2 Y 2g 0.000000 0.000000 0.306002 -0.00 . .
3 Ga 4i 0.500000 0.000000 0.884152 0.00 . .
4 Ga 4i 0.000000 0.500000 0.884152 0.00 . .
5 Ga 4i 0.500000 0.000000 0.115848 0.00 . .
6 Ga 4i 0.000000 0.500000 0.115848 0.00 . .
7 Ga 2e 0.500000 0.000000 0.500000 0.00 . .
8 Ga 2e 0.000000 0.500000 0.500000 0.00 . .
9 Ga 2h 0.500000 0.500000 0.702353 0.00 . .
10 Ga 2h 0.500000 0.500000 0.297647 0.00 . .
11 Co 1a 0.000000 0.000000 0.000000 0.00 . .
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 Y 2g 2 Y 2g 4.30 .
1 Y 2g 3 Ga 4i 3.00 .
1 Y 2g 4 Ga 4i 3.00 .
1 Y 2g 5 Ga 4i 5.14 .
1 Y 2g 6 Ga 4i 5.14 .
1 Y 2g 7 Ga 2e 3.03 .
1 Y 2g 8 Ga 2e 3.03 .
1 Y 2g 9 Ga 2h 3.02 .
1 Y 2g 10 Ga 2h 5.33 .
1 Y 2g 11 Co 1a 3.39 .
2 Y 2g 3 Ga 4i 5.14 .
2 Y 2g 4 Ga 4i 5.14 .
2 Y 2g 5 Ga 4i 3.00 .
2 Y 2g 6 Ga 4i 3.00 .
2 Y 2g 7 Ga 2e 3.03 .
2 Y 2g 8 Ga 2e 3.03 .
2 Y 2g 9 Ga 2h 5.33 .
2 Y 2g 10 Ga 2h 3.02 .
2 Y 2g 11 Co 1a 3.39 .
3 Ga 4i 4 Ga 4i 3.02 .
3 Ga 4i 5 Ga 4i 2.57 .
3 Ga 4i 6 Ga 4i 3.96 .
3 Ga 4i 7 Ga 2e 4.26 .
3 Ga 4i 8 Ga 2e 5.22 .
3 Ga 4i 9 Ga 2h 2.93 .
3 Ga 4i 10 Ga 2h 5.05 .
3 Ga 4i 11 Co 1a 2.49 .
4 Ga 4i 5 Ga 4i 3.96 .
4 Ga 4i 6 Ga 4i 2.57 .
4 Ga 4i 7 Ga 2e 5.22 .
4 Ga 4i 8 Ga 2e 4.26 .
4 Ga 4i 9 Ga 2h 2.93 .
4 Ga 4i 10 Ga 2h 5.05 .
4 Ga 4i 11 Co 1a 2.49 .
5 Ga 4i 6 Ga 4i 3.02 .
5 Ga 4i 7 Ga 2e 4.26 .
5 Ga 4i 8 Ga 2e 5.22 .
5 Ga 4i 9 Ga 2h 5.05 .
5 Ga 4i 10 Ga 2h 2.93 .
5 Ga 4i 11 Co 1a 2.49 .
6 Ga 4i 7 Ga 2e 5.22 .
6 Ga 4i 8 Ga 2e 4.26 .
6 Ga 4i 9 Ga 2h 5.05 .
6 Ga 4i 10 Ga 2h 2.93 .
6 Ga 4i 11 Co 1a 2.49 .
7 Ga 2e 8 Ga 2e 3.02 .
7 Ga 2e 9 Ga 2h 3.09 .
7 Ga 2e 10 Ga 2h 3.09 .
7 Ga 2e 11 Co 1a 5.94 .
8 Ga 2e 9 Ga 2h 3.09 .
8 Ga 2e 10 Ga 2h 3.09 .
8 Ga 2e 11 Co 1a 5.94 .
9 Ga 2h 10 Ga 2h 4.48 .
9 Ga 2h 11 Co 1a 4.47 .
10 Ga 2h 11 Co 1a 4.47 .
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) = (None, None, None) 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-1103036
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