Material:

Ti2AlCo

ID:

MMD-1721

Explore database:

Compounds with the same formula: Ti2AlCo (1 entry found)
Compounds with the same elements: Ti-Al-Co (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

cubic

Space group number

216

Hermann-Mauguin

F-43m

Hall

F -4 2 3

Point group

-43m

Structure data:

Normalized formula

Ti2AlCo

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

4

Structure search

MP


Lattice parameters:

a (Å)

6.1357

b (Å)

6.1357

c (Å)

6.1357

α (deg.)

90.000

β (deg.)

90.000

γ (deg.)

90.000

Volume (Å3)

230.989

Density (g/cm3)

5.223

Crystal structure visualization:


Thermodynamic properties:

DFT calculations (details)

Formation energy (vs. elemental phases)

-262.2 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: Ti2AlCo

1 entry found

Compounds with the same elements: Ti-Al-Co

4 entries found

Binary compounds in Ti-Al system

No entries found

Binary compounds in Ti-Co system

7 entries found

Binary compounds in Al-Co system

9 entries found


Magnetic properties:

DFT calculations (details)

Magnetic ordering

Ferromagnetic

Total magnetic moment

8.00 μB/cell

Averaged magnetic moment

0.50 μB/atom

Magnetic polarization, Js = μ0Ms

0.40 T (= 318.3 emu/cm3)

LMTO-GF calculations (details)

Curie temperature, TC

DFT calculations (details)

Magnetic easy axis

Magnetic hardness parameter, κ


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

index species w x y z m (μB) Esoc100 (meV) Esoc001 (meV)
1 Ti 4a 0.000000 0.000000 0.000000 1.09 . .
2 Ti 4a 0.250000 0.750000 0.750000 0.57 . .
3 Ti 4a 0.000000 0.500000 0.500000 1.09 . .
4 Ti 4a 0.250000 0.250000 0.250000 0.57 . .
5 Ti 4c 0.500000 0.000000 0.500000 1.09 . .
6 Ti 4c 0.750000 0.750000 0.250000 0.57 . .
7 Ti 4c 0.500000 0.500000 0.000000 1.09 . .
8 Ti 4c 0.750000 0.250000 0.750000 0.57 . .
9 Al 4d 0.250000 0.250000 0.750000 0.01 . .
10 Al 4d 0.250000 0.750000 0.250000 0.01 . .
11 Al 4d 0.750000 0.250000 0.250000 0.01 . .
12 Al 4d 0.750000 0.750000 0.750000 0.01 . .
13 Co 4b 0.000000 0.000000 0.500000 -0.15 . .
14 Co 4b 0.000000 0.500000 0.000000 -0.15 . .
15 Co 4b 0.500000 0.000000 0.000000 -0.15 . .
16 Co 4b 0.500000 0.500000 0.500000 -0.15 . .
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.)

Site-resolved magnetic moments:

Local magnetic moments

Pair-wise magnetic data:

site i site j distance (Å) Jij (meV)
1 Ti 4a 2 Ti 4a 2.66 .
1 Ti 4a 3 Ti 4a 4.34 .
1 Ti 4a 4 Ti 4a 2.66 .
1 Ti 4a 5 Ti 4c 4.34 .
1 Ti 4a 6 Ti 4c 2.66 .
1 Ti 4a 7 Ti 4c 4.34 .
1 Ti 4a 8 Ti 4c 2.66 .
1 Ti 4a 9 Al 4d 2.66 .
1 Ti 4a 10 Al 4d 2.66 .
1 Ti 4a 11 Al 4d 2.66 .
1 Ti 4a 12 Al 4d 2.66 .
1 Ti 4a 13 Co 4b 3.07 .
1 Ti 4a 14 Co 4b 3.07 .
1 Ti 4a 15 Co 4b 3.07 .
1 Ti 4a 16 Co 4b 5.31 .
2 Ti 4a 3 Ti 4a 2.66 .
2 Ti 4a 4 Ti 4a 4.34 .
2 Ti 4a 5 Ti 4c 2.66 .
2 Ti 4a 6 Ti 4c 4.34 .
2 Ti 4a 7 Ti 4c 2.66 .
2 Ti 4a 8 Ti 4c 4.34 .
2 Ti 4a 9 Al 4d 3.07 .
2 Ti 4a 10 Al 4d 3.07 .
2 Ti 4a 11 Al 4d 5.31 .
2 Ti 4a 12 Al 4d 3.07 .
2 Ti 4a 13 Co 4b 2.66 .
2 Ti 4a 14 Co 4b 2.66 .
2 Ti 4a 15 Co 4b 2.66 .
2 Ti 4a 16 Co 4b 2.66 .
3 Ti 4a 4 Ti 4a 2.66 .
3 Ti 4a 5 Ti 4c 4.34 .
3 Ti 4a 6 Ti 4c 2.66 .
3 Ti 4a 7 Ti 4c 4.34 .
3 Ti 4a 8 Ti 4c 2.66 .
3 Ti 4a 9 Al 4d 2.66 .
3 Ti 4a 10 Al 4d 2.66 .
3 Ti 4a 11 Al 4d 2.66 .
3 Ti 4a 12 Al 4d 2.66 .
3 Ti 4a 13 Co 4b 3.07 .
3 Ti 4a 14 Co 4b 3.07 .
3 Ti 4a 15 Co 4b 5.31 .
3 Ti 4a 16 Co 4b 3.07 .
4 Ti 4a 5 Ti 4c 2.66 .
4 Ti 4a 6 Ti 4c 4.34 .
4 Ti 4a 7 Ti 4c 2.66 .
4 Ti 4a 8 Ti 4c 4.34 .
4 Ti 4a 9 Al 4d 3.07 .
4 Ti 4a 10 Al 4d 3.07 .
4 Ti 4a 11 Al 4d 3.07 .
4 Ti 4a 12 Al 4d 5.31 .
4 Ti 4a 13 Co 4b 2.66 .
4 Ti 4a 14 Co 4b 2.66 .
4 Ti 4a 15 Co 4b 2.66 .
4 Ti 4a 16 Co 4b 2.66 .
5 Ti 4c 6 Ti 4c 2.66 .
5 Ti 4c 7 Ti 4c 4.34 .
5 Ti 4c 8 Ti 4c 2.66 .
5 Ti 4c 9 Al 4d 2.66 .
5 Ti 4c 10 Al 4d 2.66 .
5 Ti 4c 11 Al 4d 2.66 .
5 Ti 4c 12 Al 4d 2.66 .
5 Ti 4c 13 Co 4b 3.07 .
5 Ti 4c 14 Co 4b 5.31 .
5 Ti 4c 15 Co 4b 3.07 .
5 Ti 4c 16 Co 4b 3.07 .
6 Ti 4c 7 Ti 4c 2.66 .
6 Ti 4c 8 Ti 4c 4.34 .
6 Ti 4c 9 Al 4d 5.31 .
6 Ti 4c 10 Al 4d 3.07 .
6 Ti 4c 11 Al 4d 3.07 .
6 Ti 4c 12 Al 4d 3.07 .
6 Ti 4c 13 Co 4b 2.66 .
6 Ti 4c 14 Co 4b 2.66 .
6 Ti 4c 15 Co 4b 2.66 .
6 Ti 4c 16 Co 4b 2.66 .
7 Ti 4c 8 Ti 4c 2.66 .
7 Ti 4c 9 Al 4d 2.66 .
7 Ti 4c 10 Al 4d 2.66 .
7 Ti 4c 11 Al 4d 2.66 .
7 Ti 4c 12 Al 4d 2.66 .
7 Ti 4c 13 Co 4b 5.31 .
7 Ti 4c 14 Co 4b 3.07 .
7 Ti 4c 15 Co 4b 3.07 .
7 Ti 4c 16 Co 4b 3.07 .
8 Ti 4c 9 Al 4d 3.07 .
8 Ti 4c 10 Al 4d 5.31 .
8 Ti 4c 11 Al 4d 3.07 .
8 Ti 4c 12 Al 4d 3.07 .
8 Ti 4c 13 Co 4b 2.66 .
8 Ti 4c 14 Co 4b 2.66 .
8 Ti 4c 15 Co 4b 2.66 .
8 Ti 4c 16 Co 4b 2.66 .
9 Al 4d 10 Al 4d 4.34 .
9 Al 4d 11 Al 4d 4.34 .
9 Al 4d 12 Al 4d 4.34 .
9 Al 4d 13 Co 4b 2.66 .
9 Al 4d 14 Co 4b 2.66 .
9 Al 4d 15 Co 4b 2.66 .
9 Al 4d 16 Co 4b 2.66 .
10 Al 4d 11 Al 4d 4.34 .
10 Al 4d 12 Al 4d 4.34 .
10 Al 4d 13 Co 4b 2.66 .
10 Al 4d 14 Co 4b 2.66 .
10 Al 4d 15 Co 4b 2.66 .
10 Al 4d 16 Co 4b 2.66 .
11 Al 4d 12 Al 4d 4.34 .
11 Al 4d 13 Co 4b 2.66 .
11 Al 4d 14 Co 4b 2.66 .
11 Al 4d 15 Co 4b 2.66 .
11 Al 4d 16 Co 4b 2.66 .
12 Al 4d 13 Co 4b 2.66 .
12 Al 4d 14 Co 4b 2.66 .
12 Al 4d 15 Co 4b 2.66 .
12 Al 4d 16 Co 4b 2.66 .
13 Co 4b 14 Co 4b 4.34 .
13 Co 4b 15 Co 4b 4.34 .
13 Co 4b 16 Co 4b 4.34 .
14 Co 4b 15 Co 4b 4.34 .
14 Co 4b 16 Co 4b 4.34 .
15 Co 4b 16 Co 4b 4.34 .
Jij: magnetic exchange parameter between site i and j (Individual Jij values are temporarily not available while we perform maintenance.)
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-1064228


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