Crystal system |
cubic |
Space group number |
198 |
Hermann-Mauguin |
P2_13 |
Hall |
P 2ac 2ab 3 |
Point group |
23 |
Normalized formula |
CrSi |
The number of formula units per unit cell |
4 |
The total number of atoms per unit cell |
8 |
The number of inequivalent sites per unit cell |
2 |
Structure search |
MP |
a (Å) |
4.5995 |
b (Å) |
4.5995 |
c (Å) |
4.5995 |
α (deg.) |
90.000 |
β (deg.) |
90.000 |
γ (deg.) |
90.000 |
Volume (Å3) |
97.306 |
Density (g/cm3) |
5.466 |
DFT calculations (details) | |
---|---|
Formation energy (vs. elemental phases) |
-296.9 meV/atom |
Formation energy above hull |
68.3 meV/atom |
DFT calculations (details) | |
---|---|
Magnetic ordering |
Ferromagnetic |
Total magnetic moment |
1.43 μB/cell |
Averaged magnetic moment |
0.18 μB/atom |
Magnetic polarization, Js = μ0Ms |
0.17 T (= 135.3 emu/cm3) |
LMTO-GF calculations (details) | |
---|---|
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 | Cr | 4a | 0.862109 | 0.637891 | 0.362109 | 0.33 | . | . |
2 | Cr | 4a | 0.637891 | 0.362109 | 0.862109 | 0.33 | . | . |
3 | Cr | 4a | 0.362109 | 0.862109 | 0.637891 | 0.33 | . | . |
4 | Cr | 4a | 0.137891 | 0.137891 | 0.137891 | 0.33 | . | . |
5 | Si | 4a | 0.152815 | 0.347185 | 0.652815 | -0.01 | . | . |
6 | Si | 4a | 0.347185 | 0.652815 | 0.152815 | -0.01 | . | . |
7 | Si | 4a | 0.652815 | 0.152815 | 0.347185 | -0.01 | . | . |
8 | Si | 4a | 0.847185 | 0.847185 | 0.847185 | -0.01 | . | . |
site i | site j | distance (Å) | Jij (meV) | ||||
---|---|---|---|---|---|---|---|
1 | Cr | 4a | 2 | Cr | 4a | 2.82 | . |
1 | Cr | 4a | 3 | Cr | 4a | 2.82 | . |
1 | Cr | 4a | 4 | Cr | 4a | 2.82 | . |
1 | Cr | 4a | 5 | Si | 4a | 2.32 | . |
1 | Cr | 4a | 6 | Si | 4a | 2.43 | . |
1 | Cr | 4a | 7 | Si | 4a | 2.43 | . |
1 | Cr | 4a | 8 | Si | 4a | 2.43 | . |
2 | Cr | 4a | 3 | Cr | 4a | 2.82 | . |
2 | Cr | 4a | 4 | Cr | 4a | 2.82 | . |
2 | Cr | 4a | 5 | Si | 4a | 2.43 | . |
2 | Cr | 4a | 6 | Si | 4a | 2.32 | . |
2 | Cr | 4a | 7 | Si | 4a | 2.43 | . |
2 | Cr | 4a | 8 | Si | 4a | 2.43 | . |
3 | Cr | 4a | 4 | Cr | 4a | 2.82 | . |
3 | Cr | 4a | 5 | Si | 4a | 2.43 | . |
3 | Cr | 4a | 6 | Si | 4a | 2.43 | . |
3 | Cr | 4a | 7 | Si | 4a | 2.32 | . |
3 | Cr | 4a | 8 | Si | 4a | 2.43 | . |
4 | Cr | 4a | 5 | Si | 4a | 2.43 | . |
4 | Cr | 4a | 6 | Si | 4a | 2.43 | . |
4 | Cr | 4a | 7 | Si | 4a | 2.43 | . |
4 | Cr | 4a | 8 | Si | 4a | 2.32 | . |
5 | Si | 4a | 6 | Si | 4a | 2.84 | . |
5 | Si | 4a | 7 | Si | 4a | 2.84 | . |
5 | Si | 4a | 8 | Si | 4a | 2.84 | . |
6 | Si | 4a | 7 | Si | 4a | 2.84 | . |
6 | Si | 4a | 8 | Si | 4a | 2.84 | . |
7 | Si | 4a | 8 | Si | 4a | 2.84 | . |
DFT calculations |
|
LMTO-GF calculations |
|
References |
Materials Project: mp-7576 |