Crystal system |
hexagonal |
Space group number |
194 |
Hermann-Mauguin |
P6_3/mmc |
Hall |
-P 6c 2c |
Point group |
6/mmm |
Normalized formula |
ScFe3 |
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) |
5.4870 |
b (Å) |
5.4870 |
c (Å) |
4.3520 |
α (deg.) |
90.000 |
β (deg.) |
90.000 |
γ (deg.) |
120.000 |
Volume (Å3) |
113.470 |
Density (g/cm3) |
6.219 |
DFT calculations (details) | |
---|---|
Formation energy (vs. elemental phases) |
22.7 meV/atom |
Formation energy above hull |
234.5 meV/atom |
DFT calculations (details) | |
---|---|
Magnetic ordering |
Ferromagnetic |
Total magnetic moment |
13.47 μB/cell |
Averaged magnetic moment |
1.68 μB/atom |
Magnetic polarization, Js = μ0Ms |
1.38 T (= 1098.2 emu/cm3) |
LMTO-GF calculations (details) | |
---|---|
Curie temperature, TC |
|
DFT calculations (details) | |
---|---|
Magnetic anisotropy constant, Ka-c |
-0.59 MJ/m3 (= -0.42 meV/cell) |
Magnetic easy axis |
ab plane |
Magnetic hardness parameter, κ |
0.62 |
index | species | w | x | y | z | m (μB) | Esoc100 (meV) | Esoc001 (meV) |
---|---|---|---|---|---|---|---|---|
1 | Sc | 2d | 0.333333 | 0.666667 | 0.750000 | -0.16 | . | . |
2 | Sc | 2d | 0.666667 | 0.333333 | 0.250000 | -0.16 | . | . |
3 | Fe | 6h | 0.148273 | 0.296546 | 0.250000 | 2.33 | . | . |
4 | Fe | 6h | 0.703454 | 0.851727 | 0.250000 | 2.33 | . | . |
5 | Fe | 6h | 0.148273 | 0.851727 | 0.250000 | 2.33 | . | . |
6 | Fe | 6h | 0.851727 | 0.703454 | 0.750000 | 2.33 | . | . |
7 | Fe | 6h | 0.296546 | 0.148273 | 0.750000 | 2.33 | . | . |
8 | Fe | 6h | 0.851727 | 0.148273 | 0.750000 | 2.33 | . | . |
site i | site j | distance (Å) | Jij (meV) | ||||
---|---|---|---|---|---|---|---|
1 | Sc | 2d | 2 | Sc | 2d | 3.84 | . |
1 | Sc | 2d | 3 | Fe | 6h | 2.80 | . |
1 | Sc | 2d | 4 | Fe | 6h | 2.80 | . |
1 | Sc | 2d | 5 | Fe | 6h | 2.80 | . |
1 | Sc | 2d | 6 | Fe | 6h | 2.75 | . |
1 | Sc | 2d | 7 | Fe | 6h | 2.75 | . |
1 | Sc | 2d | 8 | Fe | 6h | 2.75 | . |
2 | Sc | 2d | 3 | Fe | 6h | 2.75 | . |
2 | Sc | 2d | 4 | Fe | 6h | 2.75 | . |
2 | Sc | 2d | 5 | Fe | 6h | 2.75 | . |
2 | Sc | 2d | 6 | Fe | 6h | 2.80 | . |
2 | Sc | 2d | 7 | Fe | 6h | 2.80 | . |
2 | Sc | 2d | 8 | Fe | 6h | 2.80 | . |
3 | Fe | 6h | 4 | Fe | 6h | 2.44 | . |
3 | Fe | 6h | 5 | Fe | 6h | 2.44 | . |
3 | Fe | 6h | 6 | Fe | 6h | 3.56 | . |
3 | Fe | 6h | 7 | Fe | 6h | 2.59 | . |
3 | Fe | 6h | 8 | Fe | 6h | 2.59 | . |
4 | Fe | 6h | 5 | Fe | 6h | 2.44 | . |
4 | Fe | 6h | 6 | Fe | 6h | 2.59 | . |
4 | Fe | 6h | 7 | Fe | 6h | 3.56 | . |
4 | Fe | 6h | 8 | Fe | 6h | 2.59 | . |
5 | Fe | 6h | 6 | Fe | 6h | 2.59 | . |
5 | Fe | 6h | 7 | Fe | 6h | 2.59 | . |
5 | Fe | 6h | 8 | Fe | 6h | 3.56 | . |
6 | Fe | 6h | 7 | Fe | 6h | 2.44 | . |
6 | Fe | 6h | 8 | Fe | 6h | 2.44 | . |
7 | Fe | 6h | 8 | Fe | 6h | 2.44 | . |
DFT calculations |
|
LMTO-GF calculations |
|
References |
Materials Project: mp-1186986 |