Crystal system |
hexagonal |
Space group number |
194 |
Hermann-Mauguin |
P6_3/mmc |
Hall |
-P 6c 2c |
Point group |
6/mmm |
Normalized formula |
VFeN2 |
The number of formula units per unit cell |
2 |
The total number of atoms per unit cell |
8 |
The number of inequivalent sites per unit cell |
3 |
Structure search |
MP |
a (Å) |
2.8294 |
b (Å) |
2.8294 |
c (Å) |
9.9776 |
α (deg.) |
90.000 |
β (deg.) |
90.000 |
γ (deg.) |
120.000 |
Volume (Å3) |
69.176 |
Density (g/cm3) |
6.472 |
DFT calculations (details) | |
---|---|
Formation energy (vs. elemental phases) |
-363.5 meV/atom |
Formation energy above hull |
|
Compounds with the same formula: VFeN2 |
1 entry found |
Compounds with the same elements: V-Fe-N |
4 entries found |
Binary compounds in V-Fe system |
7 entries found |
Binary compounds in V-N system |
No entries found |
Binary compounds in Fe-N system |
38 entries found |
DFT calculations (details) | |
---|---|
Magnetic ordering |
Ferromagnetic |
Total magnetic moment |
5.63 μB/cell |
Averaged magnetic moment |
0.70 μB/atom |
Magnetic polarization, Js = μ0Ms |
0.95 T (= 756.0 emu/cm3) |
LMTO-GF calculations (details) | |
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Curie temperature, TC |
|
DFT calculations (details) | |
---|---|
Magnetic easy axis |
|
Magnetic hardness parameter, κ |
|
index | species | w | x | y | z | m (μB) | Esoc100 (meV) | Esoc001 (meV) |
---|---|---|---|---|---|---|---|---|
1 | V | 2c | 0.333333 | 0.666667 | 0.250000 | 0.31 | . | . |
2 | V | 2c | 0.666667 | 0.333333 | 0.750000 | 0.31 | . | . |
3 | Fe | 2a | 0.000000 | 0.000000 | 0.000000 | 2.19 | . | . |
4 | Fe | 2a | 0.000000 | 0.000000 | 0.500000 | 2.19 | . | . |
5 | N | 4f | 0.666667 | 0.333333 | 0.126286 | 0.05 | . | . |
6 | N | 4f | 0.333333 | 0.666667 | 0.873714 | 0.05 | . | . |
7 | N | 4f | 0.333333 | 0.666667 | 0.626286 | 0.05 | . | . |
8 | N | 4f | 0.666667 | 0.333333 | 0.373714 | 0.05 | . | . |
site i | site j | distance (Å) | Jij (meV) | ||||
---|---|---|---|---|---|---|---|
1 | V | 2c | 2 | V | 2c | 5.25 | . |
1 | V | 2c | 3 | Fe | 2a | 2.98 | . |
1 | V | 2c | 4 | Fe | 2a | 2.98 | . |
1 | V | 2c | 5 | N | 4f | 2.05 | . |
1 | V | 2c | 6 | N | 4f | 3.75 | . |
1 | V | 2c | 7 | N | 4f | 3.75 | . |
1 | V | 2c | 8 | N | 4f | 2.05 | . |
2 | V | 2c | 3 | Fe | 2a | 2.98 | . |
2 | V | 2c | 4 | Fe | 2a | 2.98 | . |
2 | V | 2c | 5 | N | 4f | 3.75 | . |
2 | V | 2c | 6 | N | 4f | 2.05 | . |
2 | V | 2c | 7 | N | 4f | 2.05 | . |
2 | V | 2c | 8 | N | 4f | 3.75 | . |
3 | Fe | 2a | 4 | Fe | 2a | 4.99 | . |
3 | Fe | 2a | 5 | N | 4f | 2.06 | . |
3 | Fe | 2a | 6 | N | 4f | 2.06 | . |
3 | Fe | 2a | 7 | N | 4f | 4.07 | . |
3 | Fe | 2a | 8 | N | 4f | 4.07 | . |
4 | Fe | 2a | 5 | N | 4f | 4.07 | . |
4 | Fe | 2a | 6 | N | 4f | 4.07 | . |
4 | Fe | 2a | 7 | N | 4f | 2.06 | . |
4 | Fe | 2a | 8 | N | 4f | 2.06 | . |
5 | N | 4f | 6 | N | 4f | 3.00 | . |
5 | N | 4f | 7 | N | 4f | 5.25 | . |
5 | N | 4f | 8 | N | 4f | 2.47 | . |
6 | N | 4f | 7 | N | 4f | 2.47 | . |
6 | N | 4f | 8 | N | 4f | 5.25 | . |
7 | N | 4f | 8 | N | 4f | 3.00 | . |
DFT calculations |
|
LMTO-GF calculations |
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References |
Materials Project: mp-1246237 |