Crystal system |
hexagonal |
Space group number |
194 |
Hermann-Mauguin |
P6_3/mmc |
Hall |
-P 6c 2c |
Point group |
6/mmm |
Normalized formula |
FeCu3 |
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 |
2 |
Structure search |
MP |
a (Å) |
5.1689 |
b (Å) |
5.1689 |
c (Å) |
4.1599 |
α (deg.) |
90.000 |
β (deg.) |
90.000 |
γ (deg.) |
120.000 |
Volume (Å3) |
96.251 |
Density (g/cm3) |
8.505 |
DFT calculations (details) | |
---|---|
Formation energy (vs. elemental phases) |
172.0 meV/atom |
Formation energy above hull |
172.0 meV/atom |
DFT calculations (details) | |
---|---|
Magnetic ordering |
Ferromagnetic |
Total magnetic moment |
5.57 μB/cell |
Averaged magnetic moment |
0.70 μB/atom |
Magnetic polarization, Js = μ0Ms |
0.67 T (= 533.2 emu/cm3) |
LMTO-GF calculations (details) | |
---|---|
Curie temperature, TC |
|
DFT calculations (details) | |
---|---|
Magnetic anisotropy constant, Ka-c |
0.68 MJ/m3 (= 0.41 meV/cell) |
Magnetic easy axis |
c |
Magnetic hardness parameter, κ |
1.37 |
index | species | w | x | y | z | m (μB) | Esoc100 (meV) | Esoc001 (meV) |
---|---|---|---|---|---|---|---|---|
1 | Fe | 2d | 0.333333 | 0.666667 | 0.750000 | 2.73 | . | . |
2 | Fe | 2d | 0.666667 | 0.333333 | 0.250000 | 2.73 | . | . |
3 | Cu | 6h | 0.166776 | 0.333551 | 0.250000 | 0.04 | . | . |
4 | Cu | 6h | 0.666449 | 0.833224 | 0.250000 | 0.04 | . | . |
5 | Cu | 6h | 0.166776 | 0.833224 | 0.250000 | 0.04 | . | . |
6 | Cu | 6h | 0.833224 | 0.666449 | 0.750000 | 0.04 | . | . |
7 | Cu | 6h | 0.333551 | 0.166776 | 0.750000 | 0.04 | . | . |
8 | Cu | 6h | 0.833224 | 0.166776 | 0.750000 | 0.04 | . | . |
site i | site j | distance (Å) | Jij (meV) | ||||
---|---|---|---|---|---|---|---|
1 | Fe | 2d | 2 | Fe | 2d | 3.64 | . |
1 | Fe | 2d | 3 | Cu | 6h | 2.56 | . |
1 | Fe | 2d | 4 | Cu | 6h | 2.56 | . |
1 | Fe | 2d | 5 | Cu | 6h | 2.56 | . |
1 | Fe | 2d | 6 | Cu | 6h | 2.58 | . |
1 | Fe | 2d | 7 | Cu | 6h | 2.58 | . |
1 | Fe | 2d | 8 | Cu | 6h | 2.58 | . |
2 | Fe | 2d | 3 | Cu | 6h | 2.58 | . |
2 | Fe | 2d | 4 | Cu | 6h | 2.58 | . |
2 | Fe | 2d | 5 | Cu | 6h | 2.58 | . |
2 | Fe | 2d | 6 | Cu | 6h | 2.56 | . |
2 | Fe | 2d | 7 | Cu | 6h | 2.56 | . |
2 | Fe | 2d | 8 | Cu | 6h | 2.56 | . |
3 | Cu | 6h | 4 | Cu | 6h | 2.58 | . |
3 | Cu | 6h | 5 | Cu | 6h | 2.58 | . |
3 | Cu | 6h | 6 | Cu | 6h | 3.64 | . |
3 | Cu | 6h | 7 | Cu | 6h | 2.56 | . |
3 | Cu | 6h | 8 | Cu | 6h | 2.56 | . |
4 | Cu | 6h | 5 | Cu | 6h | 2.58 | . |
4 | Cu | 6h | 6 | Cu | 6h | 2.56 | . |
4 | Cu | 6h | 7 | Cu | 6h | 3.64 | . |
4 | Cu | 6h | 8 | Cu | 6h | 2.56 | . |
5 | Cu | 6h | 6 | Cu | 6h | 2.56 | . |
5 | Cu | 6h | 7 | Cu | 6h | 2.56 | . |
5 | Cu | 6h | 8 | Cu | 6h | 3.64 | . |
6 | Cu | 6h | 7 | Cu | 6h | 2.58 | . |
6 | Cu | 6h | 8 | Cu | 6h | 2.58 | . |
7 | Cu | 6h | 8 | Cu | 6h | 2.58 | . |
DFT calculations |
|
LMTO-GF calculations |
|
References |
Materials Project: mp-1184444 |