Crystal system |
tetragonal |
Space group number |
87 |
Hermann-Mauguin |
I4/m |
Hall |
-I 4 |
Point group |
4/m |
Normalized formula |
Co5N |
The number of formula units per unit cell |
2 |
The total number of atoms per unit cell |
12 |
The number of inequivalent sites per unit cell |
3 |
Structure search |
AGA search |
a (Å) |
5.7618 |
b (Å) |
5.7618 |
c (Å) |
3.6806 |
α (deg.) |
90.000 |
β (deg.) |
90.000 |
γ (deg.) |
90.000 |
Volume (Å3) |
122.192 |
Density (g/cm3) |
8.389 |
DFT calculations (details) | |
---|---|
Formation energy (vs. elemental phases) |
63.0 meV/atom |
Formation energy above hull |
63.0 meV/atom |
Compounds with the same formula: Co5N |
30 entries found |
Compounds with the same elements: Co-N |
183 entries found |
DFT calculations (details) | |
---|---|
Magnetic ordering |
Ferromagnetic |
Total magnetic moment |
13.64 μB/cell |
Averaged magnetic moment |
1.14 μB/atom |
Magnetic polarization, Js = μ0Ms |
1.30 T (= 1034.5 emu/cm3) |
LMTO-GF calculations (details) | |
---|---|
Curie temperature, TC |
|
DFT calculations (details) | |
---|---|
Magnetic anisotropy constant, Ka-c |
-2.43 MJ/m3 (= -1.85 meV/cell) |
Magnetic easy axis |
ab plane |
Magnetic hardness parameter, κ |
1.34 |
index | species | w | x | y | z | m (μB) | Esoc100 (meV) | Esoc001 (meV) |
---|---|---|---|---|---|---|---|---|
1 | N | 2a | 0.000000 | 0.000000 | 0.000000 | 0.01 | . | . |
2 | N | 2a | 0.500000 | 0.500000 | 0.500000 | 0.01 | . | . |
3 | Co | 8h | 0.094160 | 0.311740 | 0.000000 | 1.43 | . | . |
4 | Co | 8h | 0.905840 | 0.688260 | 0.000000 | 1.43 | . | . |
5 | Co | 8h | 0.688260 | 0.094160 | 0.000000 | 1.43 | . | . |
6 | Co | 8h | 0.311740 | 0.905840 | 0.000000 | 1.43 | . | . |
7 | Co | 8h | 0.594160 | 0.811740 | 0.500000 | 1.43 | . | . |
8 | Co | 8h | 0.405840 | 0.188260 | 0.500000 | 1.43 | . | . |
9 | Co | 8h | 0.188260 | 0.594160 | 0.500000 | 1.43 | . | . |
10 | Co | 8h | 0.811740 | 0.405840 | 0.500000 | 1.43 | . | . |
11 | Co | 2b | 0.000000 | 0.000000 | 0.500000 | 0.96 | . | . |
12 | Co | 2b | 0.500000 | 0.500000 | 0.000000 | 0.96 | . | . |
site i | site j | distance (Å) | Jij (meV) | ||||
---|---|---|---|---|---|---|---|
1 | N | 2a | 2 | N | 2a | 4.47 | . |
1 | N | 2a | 3 | Co | 8h | 1.88 | . |
1 | N | 2a | 4 | Co | 8h | 1.88 | . |
1 | N | 2a | 5 | Co | 8h | 1.88 | . |
1 | N | 2a | 6 | Co | 8h | 1.88 | . |
1 | N | 2a | 7 | Co | 8h | 3.17 | . |
1 | N | 2a | 8 | Co | 8h | 3.17 | . |
1 | N | 2a | 9 | Co | 8h | 3.17 | . |
1 | N | 2a | 10 | Co | 8h | 3.17 | . |
1 | N | 2a | 11 | Co | 2b | 1.84 | . |
1 | N | 2a | 12 | Co | 2b | 4.07 | . |
2 | N | 2a | 3 | Co | 8h | 3.17 | . |
2 | N | 2a | 4 | Co | 8h | 3.17 | . |
2 | N | 2a | 5 | Co | 8h | 3.17 | . |
2 | N | 2a | 6 | Co | 8h | 3.17 | . |
2 | N | 2a | 7 | Co | 8h | 1.88 | . |
2 | N | 2a | 8 | Co | 8h | 1.88 | . |
2 | N | 2a | 9 | Co | 8h | 1.88 | . |
2 | N | 2a | 10 | Co | 8h | 1.88 | . |
2 | N | 2a | 11 | Co | 2b | 4.07 | . |
2 | N | 2a | 12 | Co | 2b | 1.84 | . |
3 | Co | 8h | 4 | Co | 8h | 2.43 | . |
3 | Co | 8h | 5 | Co | 8h | 2.65 | . |
3 | Co | 8h | 6 | Co | 8h | 2.65 | . |
3 | Co | 8h | 7 | Co | 8h | 4.47 | . |
3 | Co | 8h | 8 | Co | 8h | 2.67 | . |
3 | Co | 8h | 9 | Co | 8h | 2.52 | . |
3 | Co | 8h | 10 | Co | 8h | 2.52 | . |
3 | Co | 8h | 11 | Co | 2b | 2.63 | . |
3 | Co | 8h | 12 | Co | 2b | 2.58 | . |
4 | Co | 8h | 5 | Co | 8h | 2.65 | . |
4 | Co | 8h | 6 | Co | 8h | 2.65 | . |
4 | Co | 8h | 7 | Co | 8h | 2.67 | . |
4 | Co | 8h | 8 | Co | 8h | 4.47 | . |
4 | Co | 8h | 9 | Co | 8h | 2.52 | . |
4 | Co | 8h | 10 | Co | 8h | 2.52 | . |
4 | Co | 8h | 11 | Co | 2b | 2.63 | . |
4 | Co | 8h | 12 | Co | 2b | 2.58 | . |
5 | Co | 8h | 6 | Co | 8h | 2.43 | . |
5 | Co | 8h | 7 | Co | 8h | 2.52 | . |
5 | Co | 8h | 8 | Co | 8h | 2.52 | . |
5 | Co | 8h | 9 | Co | 8h | 4.47 | . |
5 | Co | 8h | 10 | Co | 8h | 2.67 | . |
5 | Co | 8h | 11 | Co | 2b | 2.63 | . |
5 | Co | 8h | 12 | Co | 2b | 2.58 | . |
6 | Co | 8h | 7 | Co | 8h | 2.52 | . |
6 | Co | 8h | 8 | Co | 8h | 2.52 | . |
6 | Co | 8h | 9 | Co | 8h | 2.67 | . |
6 | Co | 8h | 10 | Co | 8h | 4.47 | . |
6 | Co | 8h | 11 | Co | 2b | 2.63 | . |
6 | Co | 8h | 12 | Co | 2b | 2.58 | . |
7 | Co | 8h | 8 | Co | 8h | 2.43 | . |
7 | Co | 8h | 9 | Co | 8h | 2.65 | . |
7 | Co | 8h | 10 | Co | 8h | 2.65 | . |
7 | Co | 8h | 11 | Co | 2b | 2.58 | . |
7 | Co | 8h | 12 | Co | 2b | 2.63 | . |
8 | Co | 8h | 9 | Co | 8h | 2.65 | . |
8 | Co | 8h | 10 | Co | 8h | 2.65 | . |
8 | Co | 8h | 11 | Co | 2b | 2.58 | . |
8 | Co | 8h | 12 | Co | 2b | 2.63 | . |
9 | Co | 8h | 10 | Co | 8h | 2.43 | . |
9 | Co | 8h | 11 | Co | 2b | 2.58 | . |
9 | Co | 8h | 12 | Co | 2b | 2.63 | . |
10 | Co | 8h | 11 | Co | 2b | 2.58 | . |
10 | Co | 8h | 12 | Co | 2b | 2.63 | . |
11 | Co | 2b | 12 | Co | 2b | 4.47 | . |
DFT calculations |
|
LMTO-GF calculations |
|
References |
Phys. Rev. B 94, 224424 (2016). DOI: 10.1103/PhysRevB.94.224424 |