Crystal system |
tetragonal |
Space group number |
123 |
Hermann-Mauguin |
P4/mmm |
Hall |
-P 4 2 |
Point group |
4/mmm |
Normalized formula |
Fe5CoN |
The number of formula units per unit cell |
2 |
The total number of atoms per unit cell |
14 |
The number of inequivalent sites per unit cell |
7 |
Structure search |
AGA search |
a (Å) |
3.8325 |
b (Å) |
3.8325 |
c (Å) |
10.4592 |
α (deg.) |
90.000 |
β (deg.) |
90.000 |
γ (deg.) |
90.000 |
Volume (Å3) |
153.629 |
Density (g/cm3) |
7.613 |
DFT calculations (details) | |
---|---|
Formation energy (vs. elemental phases) |
-22.3 meV/atom |
Formation energy above hull |
45.0 meV/atom |
Compounds with the same formula: Fe5CoN |
5 entries found |
Compounds with the same elements: Fe-Co-N |
272 entries found |
Binary compounds in Fe-Co system |
11 entries found |
Binary compounds in Fe-N system |
38 entries found |
Binary compounds in Co-N system |
183 entries found |
DFT calculations (details) | |
---|---|
Magnetic ordering |
Ferromagnetic |
Total magnetic moment |
27.78 μB/cell |
Averaged magnetic moment |
1.98 μB/atom |
Magnetic polarization, Js = μ0Ms |
2.11 T (= 1679.1 emu/cm3) |
LMTO-GF calculations (details) | |
---|---|
Curie temperature, TC |
|
DFT calculations (details) | |
---|---|
Magnetic anisotropy constant, Ka-c |
0.67 MJ/m3 (= 0.64 meV/cell) |
Magnetic easy axis |
c |
Magnetic hardness parameter, κ |
0.44 |
index | species | w | x | y | z | m (μB) | Esoc100 (meV) | Esoc001 (meV) |
---|---|---|---|---|---|---|---|---|
1 | N | 2g | 0.000000 | 0.000000 | 0.821000 | 0.01 | . | . |
2 | N | 2g | 0.000000 | 0.000000 | 0.179000 | 0.01 | . | . |
3 | Co | 2e | 0.000000 | 0.500000 | 0.500000 | 1.80 | . | . |
4 | Co | 2e | 0.500000 | 0.000000 | 0.500000 | 1.80 | . | . |
5 | Fe | 2g | 0.000000 | 0.000000 | 0.359470 | 2.19 | . | . |
6 | Fe | 2g | 0.000000 | 0.000000 | 0.640530 | 2.19 | . | . |
7 | Fe | 4i | 0.000000 | 0.500000 | 0.179540 | 2.06 | . | . |
8 | Fe | 4i | 0.000000 | 0.500000 | 0.820460 | 2.06 | . | . |
9 | Fe | 4i | 0.500000 | 0.000000 | 0.179540 | 2.06 | . | . |
10 | Fe | 4i | 0.500000 | 0.000000 | 0.820460 | 2.06 | . | . |
11 | Fe | 1c | 0.500000 | 0.500000 | 0.000000 | 2.71 | . | . |
12 | Fe | 2h | 0.500000 | 0.500000 | 0.651420 | 2.58 | . | . |
13 | Fe | 2h | 0.500000 | 0.500000 | 0.348580 | 2.58 | . | . |
14 | Fe | 1a | 0.000000 | 0.000000 | 0.000000 | 2.02 | . | . |
site i | site j | distance (Å) | Jij (meV) | ||||
---|---|---|---|---|---|---|---|
1 | N | 2g | 2 | N | 2g | 3.74 | . |
1 | N | 2g | 3 | Co | 2e | 3.87 | . |
1 | N | 2g | 4 | Co | 2e | 3.87 | . |
1 | N | 2g | 5 | Fe | 2g | 4.83 | . |
1 | N | 2g | 6 | Fe | 2g | 1.89 | . |
1 | N | 2g | 7 | Fe | 4i | 4.21 | . |
1 | N | 2g | 8 | Fe | 4i | 1.92 | . |
1 | N | 2g | 9 | Fe | 4i | 4.21 | . |
1 | N | 2g | 10 | Fe | 4i | 1.92 | . |
1 | N | 2g | 11 | Fe | 1c | 3.29 | . |
1 | N | 2g | 12 | Fe | 2h | 3.24 | . |
1 | N | 2g | 13 | Fe | 2h | 5.64 | . |
1 | N | 2g | 14 | Fe | 1a | 1.87 | . |
2 | N | 2g | 3 | Co | 2e | 3.87 | . |
2 | N | 2g | 4 | Co | 2e | 3.87 | . |
2 | N | 2g | 5 | Fe | 2g | 1.89 | . |
2 | N | 2g | 6 | Fe | 2g | 4.83 | . |
2 | N | 2g | 7 | Fe | 4i | 1.92 | . |
2 | N | 2g | 8 | Fe | 4i | 4.21 | . |
2 | N | 2g | 9 | Fe | 4i | 1.92 | . |
2 | N | 2g | 10 | Fe | 4i | 4.21 | . |
2 | N | 2g | 11 | Fe | 1c | 3.29 | . |
2 | N | 2g | 12 | Fe | 2h | 5.64 | . |
2 | N | 2g | 13 | Fe | 2h | 3.24 | . |
2 | N | 2g | 14 | Fe | 1a | 1.87 | . |
3 | Co | 2e | 4 | Co | 2e | 2.71 | . |
3 | Co | 2e | 5 | Fe | 2g | 2.42 | . |
3 | Co | 2e | 6 | Fe | 2g | 2.42 | . |
3 | Co | 2e | 7 | Fe | 4i | 3.35 | . |
3 | Co | 2e | 8 | Fe | 4i | 3.35 | . |
3 | Co | 2e | 9 | Fe | 4i | 4.31 | . |
3 | Co | 2e | 10 | Fe | 4i | 4.31 | . |
3 | Co | 2e | 11 | Fe | 1c | 5.57 | . |
3 | Co | 2e | 12 | Fe | 2h | 2.49 | . |
3 | Co | 2e | 13 | Fe | 2h | 2.49 | . |
3 | Co | 2e | 14 | Fe | 1a | 5.57 | . |
4 | Co | 2e | 5 | Fe | 2g | 2.42 | . |
4 | Co | 2e | 6 | Fe | 2g | 2.42 | . |
4 | Co | 2e | 7 | Fe | 4i | 4.31 | . |
4 | Co | 2e | 8 | Fe | 4i | 4.31 | . |
4 | Co | 2e | 9 | Fe | 4i | 3.35 | . |
4 | Co | 2e | 10 | Fe | 4i | 3.35 | . |
4 | Co | 2e | 11 | Fe | 1c | 5.57 | . |
4 | Co | 2e | 12 | Fe | 2h | 2.49 | . |
4 | Co | 2e | 13 | Fe | 2h | 2.49 | . |
4 | Co | 2e | 14 | Fe | 1a | 5.57 | . |
5 | Fe | 2g | 6 | Fe | 2g | 2.94 | . |
5 | Fe | 2g | 7 | Fe | 4i | 2.69 | . |
5 | Fe | 2g | 8 | Fe | 4i | 5.19 | . |
5 | Fe | 2g | 9 | Fe | 4i | 2.69 | . |
5 | Fe | 2g | 10 | Fe | 4i | 5.19 | . |
5 | Fe | 2g | 11 | Fe | 1c | 4.63 | . |
5 | Fe | 2g | 12 | Fe | 2h | 4.08 | . |
5 | Fe | 2g | 13 | Fe | 2h | 2.71 | . |
5 | Fe | 2g | 14 | Fe | 1a | 3.76 | . |
6 | Fe | 2g | 7 | Fe | 4i | 5.19 | . |
6 | Fe | 2g | 8 | Fe | 4i | 2.69 | . |
6 | Fe | 2g | 9 | Fe | 4i | 5.19 | . |
6 | Fe | 2g | 10 | Fe | 4i | 2.69 | . |
6 | Fe | 2g | 11 | Fe | 1c | 4.63 | . |
6 | Fe | 2g | 12 | Fe | 2h | 2.71 | . |
6 | Fe | 2g | 13 | Fe | 2h | 4.08 | . |
6 | Fe | 2g | 14 | Fe | 1a | 3.76 | . |
7 | Fe | 4i | 8 | Fe | 4i | 3.76 | . |
7 | Fe | 4i | 9 | Fe | 4i | 2.71 | . |
7 | Fe | 4i | 10 | Fe | 4i | 4.63 | . |
7 | Fe | 4i | 11 | Fe | 1c | 2.68 | . |
7 | Fe | 4i | 12 | Fe | 2h | 5.29 | . |
7 | Fe | 4i | 13 | Fe | 2h | 2.61 | . |
7 | Fe | 4i | 14 | Fe | 1a | 2.68 | . |
8 | Fe | 4i | 9 | Fe | 4i | 4.63 | . |
8 | Fe | 4i | 10 | Fe | 4i | 2.71 | . |
8 | Fe | 4i | 11 | Fe | 1c | 2.68 | . |
8 | Fe | 4i | 12 | Fe | 2h | 2.61 | . |
8 | Fe | 4i | 13 | Fe | 2h | 5.29 | . |
8 | Fe | 4i | 14 | Fe | 1a | 2.68 | . |
9 | Fe | 4i | 10 | Fe | 4i | 3.76 | . |
9 | Fe | 4i | 11 | Fe | 1c | 2.68 | . |
9 | Fe | 4i | 12 | Fe | 2h | 5.29 | . |
9 | Fe | 4i | 13 | Fe | 2h | 2.61 | . |
9 | Fe | 4i | 14 | Fe | 1a | 2.68 | . |
10 | Fe | 4i | 11 | Fe | 1c | 2.68 | . |
10 | Fe | 4i | 12 | Fe | 2h | 2.61 | . |
10 | Fe | 4i | 13 | Fe | 2h | 5.29 | . |
10 | Fe | 4i | 14 | Fe | 1a | 2.68 | . |
11 | Fe | 1c | 12 | Fe | 2h | 3.65 | . |
11 | Fe | 1c | 13 | Fe | 2h | 3.65 | . |
11 | Fe | 1c | 14 | Fe | 1a | 2.71 | . |
12 | Fe | 2h | 13 | Fe | 2h | 3.17 | . |
12 | Fe | 2h | 14 | Fe | 1a | 4.54 | . |
13 | Fe | 2h | 14 | Fe | 1a | 4.54 | . |
DFT calculations |
|
LMTO-GF calculations |
|
References |
Phys. Rev. B 94, 224424 (2016). DOI: 10.1103/PhysRevB.94.224424 |