Crystal system |
tetragonal |
Space group number |
139 |
Hermann-Mauguin |
I4/mmm |
Hall |
-I 4 2 |
Point group |
4/mmm |
Normalized formula |
Fe7CoN2 |
The number of formula units per unit cell |
2 |
The total number of atoms per unit cell |
20 |
The number of inequivalent sites per unit cell |
5 |
Structure search |
AGA search |
a (Å) |
3.7835 |
b (Å) |
3.7835 |
c (Å) |
14.9055 |
α (deg.) |
90.000 |
β (deg.) |
90.000 |
γ (deg.) |
90.000 |
Volume (Å3) |
213.370 |
Density (g/cm3) |
7.438 |
DFT calculations (details) | |
---|---|
Formation energy (vs. elemental phases) |
-33.2 meV/atom |
Formation energy above hull |
40.8 meV/atom |
Compounds with the same formula: Fe7CoN2 |
8 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 |
36.19 μB/cell |
Averaged magnetic moment |
1.81 μB/atom |
Magnetic polarization, Js = μ0Ms |
1.98 T (= 1575.6 emu/cm3) |
LMTO-GF calculations (details) | |
---|---|
Curie temperature, TC |
|
DFT calculations (details) | |
---|---|
Magnetic anisotropy constant, Ka-c |
-0.11 MJ/m3 (= -0.14 meV/cell) |
Magnetic easy axis |
ab plane |
Magnetic hardness parameter, κ |
0.18 |
index | species | w | x | y | z | m (μB) | Esoc100 (meV) | Esoc001 (meV) |
---|---|---|---|---|---|---|---|---|
1 | N | 4e | 0.000000 | 0.000000 | 0.374670 | 0.03 | . | . |
2 | N | 4e | 0.000000 | 0.000000 | 0.625330 | 0.03 | . | . |
3 | N | 4e | 0.500000 | 0.500000 | 0.874670 | 0.03 | . | . |
4 | N | 4e | 0.500000 | 0.500000 | 0.125330 | 0.03 | . | . |
5 | Co | 2b | 0.000000 | 0.000000 | 0.500000 | 1.18 | . | . |
6 | Co | 2b | 0.500000 | 0.500000 | 0.000000 | 1.18 | . | . |
7 | Fe | 4e | 0.000000 | 0.000000 | 0.756230 | 2.44 | . | . |
8 | Fe | 4e | 0.000000 | 0.000000 | 0.243770 | 2.44 | . | . |
9 | Fe | 4e | 0.500000 | 0.500000 | 0.256230 | 2.44 | . | . |
10 | Fe | 4e | 0.500000 | 0.500000 | 0.743770 | 2.44 | . | . |
11 | Fe | 8g | 0.000000 | 0.500000 | 0.622920 | 2.01 | . | . |
12 | Fe | 8g | 0.000000 | 0.500000 | 0.377080 | 2.01 | . | . |
13 | Fe | 8g | 0.500000 | 0.000000 | 0.622920 | 2.01 | . | . |
14 | Fe | 8g | 0.500000 | 0.000000 | 0.377080 | 2.01 | . | . |
15 | Fe | 8g | 0.500000 | 0.000000 | 0.122920 | 2.01 | . | . |
16 | Fe | 8g | 0.500000 | 0.000000 | 0.877080 | 2.01 | . | . |
17 | Fe | 8g | 0.000000 | 0.500000 | 0.122920 | 2.01 | . | . |
18 | Fe | 8g | 0.000000 | 0.500000 | 0.877080 | 2.01 | . | . |
19 | Fe | 2a | 0.000000 | 0.000000 | 0.000000 | 2.71 | . | . |
20 | Fe | 2a | 0.500000 | 0.500000 | 0.500000 | 2.71 | . | . |
site i | site j | distance (Å) | Jij (meV) | ||||
---|---|---|---|---|---|---|---|
1 | N | 4e | 2 | N | 4e | 3.74 | . |
1 | N | 4e | 3 | N | 4e | 7.92 | . |
1 | N | 4e | 4 | N | 4e | 4.58 | . |
1 | N | 4e | 5 | Co | 2b | 1.87 | . |
1 | N | 4e | 6 | Co | 2b | 6.19 | . |
1 | N | 4e | 7 | Fe | 4e | 5.69 | . |
1 | N | 4e | 8 | Fe | 4e | 1.95 | . |
1 | N | 4e | 9 | Fe | 4e | 3.21 | . |
1 | N | 4e | 10 | Fe | 4e | 6.12 | . |
1 | N | 4e | 11 | Fe | 8g | 4.16 | . |
1 | N | 4e | 12 | Fe | 8g | 1.89 | . |
1 | N | 4e | 13 | Fe | 8g | 4.16 | . |
1 | N | 4e | 14 | Fe | 8g | 1.89 | . |
1 | N | 4e | 15 | Fe | 8g | 4.20 | . |
1 | N | 4e | 16 | Fe | 8g | 7.65 | . |
1 | N | 4e | 17 | Fe | 8g | 4.20 | . |
1 | N | 4e | 18 | Fe | 8g | 7.65 | . |
1 | N | 4e | 19 | Fe | 2a | 5.58 | . |
1 | N | 4e | 20 | Fe | 2a | 3.26 | . |
2 | N | 4e | 3 | N | 4e | 4.58 | . |
2 | N | 4e | 4 | N | 4e | 7.92 | . |
2 | N | 4e | 5 | Co | 2b | 1.87 | . |
2 | N | 4e | 6 | Co | 2b | 6.19 | . |
2 | N | 4e | 7 | Fe | 4e | 1.95 | . |
2 | N | 4e | 8 | Fe | 4e | 5.69 | . |
2 | N | 4e | 9 | Fe | 4e | 6.12 | . |
2 | N | 4e | 10 | Fe | 4e | 3.21 | . |
2 | N | 4e | 11 | Fe | 8g | 1.89 | . |
2 | N | 4e | 12 | Fe | 8g | 4.16 | . |
2 | N | 4e | 13 | Fe | 8g | 1.89 | . |
2 | N | 4e | 14 | Fe | 8g | 4.16 | . |
2 | N | 4e | 15 | Fe | 8g | 7.65 | . |
2 | N | 4e | 16 | Fe | 8g | 4.20 | . |
2 | N | 4e | 17 | Fe | 8g | 7.65 | . |
2 | N | 4e | 18 | Fe | 8g | 4.20 | . |
2 | N | 4e | 19 | Fe | 2a | 5.58 | . |
2 | N | 4e | 20 | Fe | 2a | 3.26 | . |
3 | N | 4e | 4 | N | 4e | 3.74 | . |
3 | N | 4e | 5 | Co | 2b | 6.19 | . |
3 | N | 4e | 6 | Co | 2b | 1.87 | . |
3 | N | 4e | 7 | Fe | 4e | 3.21 | . |
3 | N | 4e | 8 | Fe | 4e | 6.12 | . |
3 | N | 4e | 9 | Fe | 4e | 5.69 | . |
3 | N | 4e | 10 | Fe | 4e | 1.95 | . |
3 | N | 4e | 11 | Fe | 8g | 4.20 | . |
3 | N | 4e | 12 | Fe | 8g | 7.65 | . |
3 | N | 4e | 13 | Fe | 8g | 4.20 | . |
3 | N | 4e | 14 | Fe | 8g | 7.65 | . |
3 | N | 4e | 15 | Fe | 8g | 4.16 | . |
3 | N | 4e | 16 | Fe | 8g | 1.89 | . |
3 | N | 4e | 17 | Fe | 8g | 4.16 | . |
3 | N | 4e | 18 | Fe | 8g | 1.89 | . |
3 | N | 4e | 19 | Fe | 2a | 3.26 | . |
3 | N | 4e | 20 | Fe | 2a | 5.58 | . |
4 | N | 4e | 5 | Co | 2b | 6.19 | . |
4 | N | 4e | 6 | Co | 2b | 1.87 | . |
4 | N | 4e | 7 | Fe | 4e | 6.12 | . |
4 | N | 4e | 8 | Fe | 4e | 3.21 | . |
4 | N | 4e | 9 | Fe | 4e | 1.95 | . |
4 | N | 4e | 10 | Fe | 4e | 5.69 | . |
4 | N | 4e | 11 | Fe | 8g | 7.65 | . |
4 | N | 4e | 12 | Fe | 8g | 4.20 | . |
4 | N | 4e | 13 | Fe | 8g | 7.65 | . |
4 | N | 4e | 14 | Fe | 8g | 4.20 | . |
4 | N | 4e | 15 | Fe | 8g | 1.89 | . |
4 | N | 4e | 16 | Fe | 8g | 4.16 | . |
4 | N | 4e | 17 | Fe | 8g | 1.89 | . |
4 | N | 4e | 18 | Fe | 8g | 4.16 | . |
4 | N | 4e | 19 | Fe | 2a | 3.26 | . |
4 | N | 4e | 20 | Fe | 2a | 5.58 | . |
5 | Co | 2b | 6 | Co | 2b | 7.92 | . |
5 | Co | 2b | 7 | Fe | 4e | 3.82 | . |
5 | Co | 2b | 8 | Fe | 4e | 3.82 | . |
5 | Co | 2b | 9 | Fe | 4e | 4.51 | . |
5 | Co | 2b | 10 | Fe | 4e | 4.51 | . |
5 | Co | 2b | 11 | Fe | 8g | 2.63 | . |
5 | Co | 2b | 12 | Fe | 8g | 2.63 | . |
5 | Co | 2b | 13 | Fe | 8g | 2.63 | . |
5 | Co | 2b | 14 | Fe | 8g | 2.63 | . |
5 | Co | 2b | 15 | Fe | 8g | 5.93 | . |
5 | Co | 2b | 16 | Fe | 8g | 5.93 | . |
5 | Co | 2b | 17 | Fe | 8g | 5.93 | . |
5 | Co | 2b | 18 | Fe | 8g | 5.93 | . |
5 | Co | 2b | 19 | Fe | 2a | 7.45 | . |
5 | Co | 2b | 20 | Fe | 2a | 2.68 | . |
6 | Co | 2b | 7 | Fe | 4e | 4.51 | . |
6 | Co | 2b | 8 | Fe | 4e | 4.51 | . |
6 | Co | 2b | 9 | Fe | 4e | 3.82 | . |
6 | Co | 2b | 10 | Fe | 4e | 3.82 | . |
6 | Co | 2b | 11 | Fe | 8g | 5.93 | . |
6 | Co | 2b | 12 | Fe | 8g | 5.93 | . |
6 | Co | 2b | 13 | Fe | 8g | 5.93 | . |
6 | Co | 2b | 14 | Fe | 8g | 5.93 | . |
6 | Co | 2b | 15 | Fe | 8g | 2.63 | . |
6 | Co | 2b | 16 | Fe | 8g | 2.63 | . |
6 | Co | 2b | 17 | Fe | 8g | 2.63 | . |
6 | Co | 2b | 18 | Fe | 8g | 2.63 | . |
6 | Co | 2b | 19 | Fe | 2a | 2.68 | . |
6 | Co | 2b | 20 | Fe | 2a | 7.45 | . |
7 | Fe | 4e | 8 | Fe | 4e | 7.27 | . |
7 | Fe | 4e | 9 | Fe | 4e | 7.92 | . |
7 | Fe | 4e | 10 | Fe | 4e | 2.68 | . |
7 | Fe | 4e | 11 | Fe | 8g | 2.74 | . |
7 | Fe | 4e | 12 | Fe | 8g | 5.96 | . |
7 | Fe | 4e | 13 | Fe | 8g | 2.74 | . |
7 | Fe | 4e | 14 | Fe | 8g | 5.96 | . |
7 | Fe | 4e | 15 | Fe | 8g | 5.78 | . |
7 | Fe | 4e | 16 | Fe | 8g | 2.61 | . |
7 | Fe | 4e | 17 | Fe | 8g | 5.78 | . |
7 | Fe | 4e | 18 | Fe | 8g | 2.61 | . |
7 | Fe | 4e | 19 | Fe | 2a | 3.63 | . |
7 | Fe | 4e | 20 | Fe | 2a | 4.66 | . |
8 | Fe | 4e | 9 | Fe | 4e | 2.68 | . |
8 | Fe | 4e | 10 | Fe | 4e | 7.92 | . |
8 | Fe | 4e | 11 | Fe | 8g | 5.96 | . |
8 | Fe | 4e | 12 | Fe | 8g | 2.74 | . |
8 | Fe | 4e | 13 | Fe | 8g | 5.96 | . |
8 | Fe | 4e | 14 | Fe | 8g | 2.74 | . |
8 | Fe | 4e | 15 | Fe | 8g | 2.61 | . |
8 | Fe | 4e | 16 | Fe | 8g | 5.78 | . |
8 | Fe | 4e | 17 | Fe | 8g | 2.61 | . |
8 | Fe | 4e | 18 | Fe | 8g | 5.78 | . |
8 | Fe | 4e | 19 | Fe | 2a | 3.63 | . |
8 | Fe | 4e | 20 | Fe | 2a | 4.66 | . |
9 | Fe | 4e | 10 | Fe | 4e | 7.27 | . |
9 | Fe | 4e | 11 | Fe | 8g | 5.78 | . |
9 | Fe | 4e | 12 | Fe | 8g | 2.61 | . |
9 | Fe | 4e | 13 | Fe | 8g | 5.78 | . |
9 | Fe | 4e | 14 | Fe | 8g | 2.61 | . |
9 | Fe | 4e | 15 | Fe | 8g | 2.74 | . |
9 | Fe | 4e | 16 | Fe | 8g | 5.96 | . |
9 | Fe | 4e | 17 | Fe | 8g | 2.74 | . |
9 | Fe | 4e | 18 | Fe | 8g | 5.96 | . |
9 | Fe | 4e | 19 | Fe | 2a | 4.66 | . |
9 | Fe | 4e | 20 | Fe | 2a | 3.63 | . |
10 | Fe | 4e | 11 | Fe | 8g | 2.61 | . |
10 | Fe | 4e | 12 | Fe | 8g | 5.78 | . |
10 | Fe | 4e | 13 | Fe | 8g | 2.61 | . |
10 | Fe | 4e | 14 | Fe | 8g | 5.78 | . |
10 | Fe | 4e | 15 | Fe | 8g | 5.96 | . |
10 | Fe | 4e | 16 | Fe | 8g | 2.74 | . |
10 | Fe | 4e | 17 | Fe | 8g | 5.96 | . |
10 | Fe | 4e | 18 | Fe | 8g | 2.74 | . |
10 | Fe | 4e | 19 | Fe | 2a | 4.66 | . |
10 | Fe | 4e | 20 | Fe | 2a | 3.63 | . |
11 | Fe | 8g | 12 | Fe | 8g | 3.66 | . |
11 | Fe | 8g | 13 | Fe | 8g | 2.68 | . |
11 | Fe | 8g | 14 | Fe | 8g | 4.54 | . |
11 | Fe | 8g | 15 | Fe | 8g | 7.92 | . |
11 | Fe | 8g | 16 | Fe | 8g | 4.64 | . |
11 | Fe | 8g | 17 | Fe | 8g | 7.45 | . |
11 | Fe | 8g | 18 | Fe | 8g | 3.79 | . |
11 | Fe | 8g | 19 | Fe | 2a | 5.93 | . |
11 | Fe | 8g | 20 | Fe | 2a | 2.63 | . |
12 | Fe | 8g | 13 | Fe | 8g | 4.54 | . |
12 | Fe | 8g | 14 | Fe | 8g | 2.68 | . |
12 | Fe | 8g | 15 | Fe | 8g | 4.64 | . |
12 | Fe | 8g | 16 | Fe | 8g | 7.92 | . |
12 | Fe | 8g | 17 | Fe | 8g | 3.79 | . |
12 | Fe | 8g | 18 | Fe | 8g | 7.45 | . |
12 | Fe | 8g | 19 | Fe | 2a | 5.93 | . |
12 | Fe | 8g | 20 | Fe | 2a | 2.63 | . |
13 | Fe | 8g | 14 | Fe | 8g | 3.66 | . |
13 | Fe | 8g | 15 | Fe | 8g | 7.45 | . |
13 | Fe | 8g | 16 | Fe | 8g | 3.79 | . |
13 | Fe | 8g | 17 | Fe | 8g | 7.92 | . |
13 | Fe | 8g | 18 | Fe | 8g | 4.64 | . |
13 | Fe | 8g | 19 | Fe | 2a | 5.93 | . |
13 | Fe | 8g | 20 | Fe | 2a | 2.63 | . |
14 | Fe | 8g | 15 | Fe | 8g | 3.79 | . |
14 | Fe | 8g | 16 | Fe | 8g | 7.45 | . |
14 | Fe | 8g | 17 | Fe | 8g | 4.64 | . |
14 | Fe | 8g | 18 | Fe | 8g | 7.92 | . |
14 | Fe | 8g | 19 | Fe | 2a | 5.93 | . |
14 | Fe | 8g | 20 | Fe | 2a | 2.63 | . |
15 | Fe | 8g | 16 | Fe | 8g | 3.66 | . |
15 | Fe | 8g | 17 | Fe | 8g | 2.68 | . |
15 | Fe | 8g | 18 | Fe | 8g | 4.54 | . |
15 | Fe | 8g | 19 | Fe | 2a | 2.63 | . |
15 | Fe | 8g | 20 | Fe | 2a | 5.93 | . |
16 | Fe | 8g | 17 | Fe | 8g | 4.54 | . |
16 | Fe | 8g | 18 | Fe | 8g | 2.68 | . |
16 | Fe | 8g | 19 | Fe | 2a | 2.63 | . |
16 | Fe | 8g | 20 | Fe | 2a | 5.93 | . |
17 | Fe | 8g | 18 | Fe | 8g | 3.66 | . |
17 | Fe | 8g | 19 | Fe | 2a | 2.63 | . |
17 | Fe | 8g | 20 | Fe | 2a | 5.93 | . |
18 | Fe | 8g | 19 | Fe | 2a | 2.63 | . |
18 | Fe | 8g | 20 | Fe | 2a | 5.93 | . |
19 | Fe | 2a | 20 | Fe | 2a | 7.92 | . |
DFT calculations |
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LMTO-GF calculations |
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References |
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