Crystal system |
orthorhombic |
Space group number |
18 |
Hermann-Mauguin |
P2_12_12 |
Hall |
P 2 2ab |
Point group |
222 |
Normalized formula |
Co4N |
The number of formula units per unit cell |
2 |
The total number of atoms per unit cell |
10 |
The number of inequivalent sites per unit cell |
3 |
Structure search |
AGA search |
a (Å) |
4.1580 |
b (Å) |
4.3770 |
c (Å) |
5.0740 |
α (deg.) |
90.000 |
β (deg.) |
90.000 |
γ (deg.) |
90.000 |
Volume (Å3) |
92.345 |
Density (g/cm3) |
8.982 |
DFT calculations (details) | |
---|---|
Formation energy (vs. elemental phases) |
115.3 meV/atom |
Formation energy above hull |
115.3 meV/atom |
Compounds with the same formula: Co4N |
26 entries found |
Compounds with the same elements: Co-N |
183 entries found |
DFT calculations (details) | |
---|---|
Magnetic ordering |
Ferromagnetic |
Total magnetic moment |
8.21 μB/cell |
Averaged magnetic moment |
0.82 μB/atom |
Magnetic polarization, Js = μ0Ms |
1.04 T (= 827.6 emu/cm3) |
LMTO-GF calculations (details) | |
---|---|
Curie temperature, TC |
|
DFT calculations (details) | |
---|---|
Magnetic anisotropy constant, Ka-c |
-0.82 MJ/m3 (= -0.47 meV/cell) |
Magnetic anisotropy constant, Kb-c |
-0.29 MJ/m3 (= -0.17 meV/cell) |
Magnetic anisotropy constant, Kb-a |
0.53 MJ/m3 (= 0.31 meV/cell) |
Magnetic easy axis |
a |
Magnetic hardness parameter, κ |
0.98 |
index | species | w | x | y | z | m (μB) | Esoc100 (meV) | Esoc001 (meV) |
---|---|---|---|---|---|---|---|---|
1 | N | 2a | 0.000000 | 0.000000 | 0.120940 | -0.02 | . | . |
2 | N | 2a | 0.500000 | 0.500000 | 0.879060 | -0.02 | . | . |
3 | Co | 4c | 0.746290 | 0.334280 | 0.140370 | 0.72 | . | . |
4 | Co | 4c | 0.253710 | 0.665720 | 0.140370 | 0.72 | . | . |
5 | Co | 4c | 0.753710 | 0.834280 | 0.859630 | 0.72 | . | . |
6 | Co | 4c | 0.246290 | 0.165720 | 0.859630 | 0.72 | . | . |
7 | Co | 4c | 0.252430 | 0.161240 | 0.385690 | 1.29 | . | . |
8 | Co | 4c | 0.747570 | 0.838760 | 0.385690 | 1.29 | . | . |
9 | Co | 4c | 0.247570 | 0.661240 | 0.614310 | 1.29 | . | . |
10 | Co | 4c | 0.752430 | 0.338760 | 0.614310 | 1.29 | . | . |
site i | site j | distance (Å) | Jij (meV) | ||||
---|---|---|---|---|---|---|---|
1 | N | 2a | 2 | N | 2a | 3.26 | . |
1 | N | 2a | 3 | Co | 4c | 1.81 | . |
1 | N | 2a | 4 | Co | 4c | 1.81 | . |
1 | N | 2a | 5 | Co | 4c | 1.83 | . |
1 | N | 2a | 6 | Co | 4c | 1.83 | . |
1 | N | 2a | 7 | Co | 4c | 1.85 | . |
1 | N | 2a | 8 | Co | 4c | 1.85 | . |
1 | N | 2a | 9 | Co | 4c | 3.09 | . |
1 | N | 2a | 10 | Co | 4c | 3.09 | . |
2 | N | 2a | 3 | Co | 4c | 1.83 | . |
2 | N | 2a | 4 | Co | 4c | 1.83 | . |
2 | N | 2a | 5 | Co | 4c | 1.81 | . |
2 | N | 2a | 6 | Co | 4c | 1.81 | . |
2 | N | 2a | 7 | Co | 4c | 3.09 | . |
2 | N | 2a | 8 | Co | 4c | 3.09 | . |
2 | N | 2a | 9 | Co | 4c | 1.85 | . |
2 | N | 2a | 10 | Co | 4c | 1.85 | . |
3 | Co | 4c | 4 | Co | 4c | 2.51 | . |
3 | Co | 4c | 5 | Co | 4c | 2.61 | . |
3 | Co | 4c | 6 | Co | 4c | 2.63 | . |
3 | Co | 4c | 7 | Co | 4c | 2.52 | . |
3 | Co | 4c | 8 | Co | 4c | 2.50 | . |
3 | Co | 4c | 9 | Co | 4c | 3.48 | . |
3 | Co | 4c | 10 | Co | 4c | 2.40 | . |
4 | Co | 4c | 5 | Co | 4c | 2.63 | . |
4 | Co | 4c | 6 | Co | 4c | 2.61 | . |
4 | Co | 4c | 7 | Co | 4c | 2.50 | . |
4 | Co | 4c | 8 | Co | 4c | 2.52 | . |
4 | Co | 4c | 9 | Co | 4c | 2.40 | . |
4 | Co | 4c | 10 | Co | 4c | 3.48 | . |
5 | Co | 4c | 6 | Co | 4c | 2.51 | . |
5 | Co | 4c | 7 | Co | 4c | 3.48 | . |
5 | Co | 4c | 8 | Co | 4c | 2.40 | . |
5 | Co | 4c | 9 | Co | 4c | 2.52 | . |
5 | Co | 4c | 10 | Co | 4c | 2.50 | . |
6 | Co | 4c | 7 | Co | 4c | 2.40 | . |
6 | Co | 4c | 8 | Co | 4c | 3.48 | . |
6 | Co | 4c | 9 | Co | 4c | 2.50 | . |
6 | Co | 4c | 10 | Co | 4c | 2.52 | . |
7 | Co | 4c | 8 | Co | 4c | 2.50 | . |
7 | Co | 4c | 9 | Co | 4c | 2.48 | . |
7 | Co | 4c | 10 | Co | 4c | 2.50 | . |
8 | Co | 4c | 9 | Co | 4c | 2.50 | . |
8 | Co | 4c | 10 | Co | 4c | 2.48 | . |
9 | Co | 4c | 10 | Co | 4c | 2.50 | . |
DFT calculations |
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LMTO-GF calculations |
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References |
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