Crystal system |
orthorhombic |
Space group number |
57 |
Hermann-Mauguin |
Pbcm |
Hall |
-P 2c 2b |
Point group |
mmm |
Normalized formula |
Sc(FeSi)2 |
The number of formula units per unit cell |
4 |
The total number of atoms per unit cell |
20 |
The number of inequivalent sites per unit cell |
5 |
Structure search |
MP |
a (Å) |
7.4473 |
b (Å) |
7.0632 |
c (Å) |
4.9841 |
α (deg.) |
90.000 |
β (deg.) |
90.000 |
γ (deg.) |
90.000 |
Volume (Å3) |
262.173 |
Density (g/cm3) |
5.392 |
DFT calculations (details) | |
---|---|
Formation energy (vs. elemental phases) |
-686.2 meV/atom |
Formation energy above hull |
0 meV, (stable) |
Compounds with the same formula: Sc(FeSi)2 |
1 entry found |
Compounds with the same elements: Sc-Fe-Si |
11 entries found |
Binary compounds in Sc-Fe system |
5 entries found |
Binary compounds in Sc-Si system |
No entries found |
Binary compounds in Fe-Si system |
47 entries found |
DFT calculations (details) | |
---|---|
Magnetic ordering |
Ferromagnetic |
Total magnetic moment |
4.06 μB/cell |
Averaged magnetic moment |
0.20 μB/atom |
Magnetic polarization, Js = μ0Ms |
0.18 T (= 143.2 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 | Sc | 4d | 0.750000 | 0.905779 | 0.248297 | -0.04 | . | . |
2 | Sc | 4d | 0.250000 | 0.094221 | 0.751703 | -0.04 | . | . |
3 | Sc | 4d | 0.750000 | 0.405779 | 0.751703 | -0.04 | . | . |
4 | Sc | 4d | 0.250000 | 0.594221 | 0.248297 | -0.04 | . | . |
5 | Fe | 4d | 0.750000 | 0.511266 | 0.115948 | -0.10 | . | . |
6 | Fe | 4d | 0.250000 | 0.488734 | 0.884052 | -0.10 | . | . |
7 | Fe | 4d | 0.750000 | 0.011267 | 0.884052 | -0.10 | . | . |
8 | Fe | 4d | 0.250000 | 0.988734 | 0.115948 | -0.10 | . | . |
9 | Fe | 4c | 0.000000 | 0.750000 | 0.617115 | 1.22 | . | . |
10 | Fe | 4c | 0.500000 | 0.250000 | 0.382885 | 1.22 | . | . |
11 | Fe | 4c | 0.000000 | 0.250000 | 0.382885 | 1.22 | . | . |
12 | Fe | 4c | 0.500000 | 0.750000 | 0.617115 | 1.22 | . | . |
13 | Si | 4d | 0.750000 | 0.549852 | 0.417066 | -0.03 | . | . |
14 | Si | 4d | 0.250000 | 0.450148 | 0.582934 | -0.03 | . | . |
15 | Si | 4d | 0.750000 | 0.049852 | 0.582934 | -0.03 | . | . |
16 | Si | 4d | 0.250000 | 0.950148 | 0.417066 | -0.03 | . | . |
17 | Si | 4c | 0.000000 | 0.750000 | 0.950516 | 0.00 | . | . |
18 | Si | 4c | 0.500000 | 0.250000 | 0.049484 | 0.00 | . | . |
19 | Si | 4c | 0.000000 | 0.250000 | 0.049484 | 0.00 | . | . |
20 | Si | 4c | 0.500000 | 0.750000 | 0.950516 | 0.00 | . | . |
site i | site j | distance (Å) | Jij (meV) | ||||
---|---|---|---|---|---|---|---|
1 | Sc | 4d | 2 | Sc | 4d | 4.67 | . |
1 | Sc | 4d | 3 | Sc | 4d | 4.31 | . |
1 | Sc | 4d | 4 | Sc | 4d | 4.33 | . |
1 | Sc | 4d | 5 | Fe | 4d | 2.86 | . |
1 | Sc | 4d | 6 | Fe | 4d | 5.08 | . |
1 | Sc | 4d | 7 | Fe | 4d | 1.96 | . |
1 | Sc | 4d | 8 | Fe | 4d | 3.83 | . |
1 | Sc | 4d | 9 | Fe | 4c | 2.84 | . |
1 | Sc | 4d | 10 | Fe | 4c | 3.13 | . |
1 | Sc | 4d | 11 | Fe | 4c | 3.13 | . |
1 | Sc | 4d | 12 | Fe | 4c | 2.84 | . |
1 | Sc | 4d | 13 | Si | 4d | 2.65 | . |
1 | Sc | 4d | 14 | Si | 4d | 5.20 | . |
1 | Sc | 4d | 15 | Si | 4d | 1.95 | . |
1 | Sc | 4d | 16 | Si | 4d | 3.83 | . |
1 | Sc | 4d | 17 | Si | 4c | 2.62 | . |
1 | Sc | 4d | 18 | Si | 4c | 3.22 | . |
1 | Sc | 4d | 19 | Si | 4c | 3.22 | . |
1 | Sc | 4d | 20 | Si | 4c | 2.62 | . |
2 | Sc | 4d | 3 | Sc | 4d | 4.33 | . |
2 | Sc | 4d | 4 | Sc | 4d | 4.31 | . |
2 | Sc | 4d | 5 | Fe | 4d | 5.08 | . |
2 | Sc | 4d | 6 | Fe | 4d | 2.86 | . |
2 | Sc | 4d | 7 | Fe | 4d | 3.83 | . |
2 | Sc | 4d | 8 | Fe | 4d | 1.96 | . |
2 | Sc | 4d | 9 | Fe | 4c | 3.13 | . |
2 | Sc | 4d | 10 | Fe | 4c | 2.84 | . |
2 | Sc | 4d | 11 | Fe | 4c | 2.84 | . |
2 | Sc | 4d | 12 | Fe | 4c | 3.13 | . |
2 | Sc | 4d | 13 | Si | 4d | 5.20 | . |
2 | Sc | 4d | 14 | Si | 4d | 2.65 | . |
2 | Sc | 4d | 15 | Si | 4d | 3.83 | . |
2 | Sc | 4d | 16 | Si | 4d | 1.95 | . |
2 | Sc | 4d | 17 | Si | 4c | 3.22 | . |
2 | Sc | 4d | 18 | Si | 4c | 2.62 | . |
2 | Sc | 4d | 19 | Si | 4c | 2.62 | . |
2 | Sc | 4d | 20 | Si | 4c | 3.22 | . |
3 | Sc | 4d | 4 | Sc | 4d | 4.67 | . |
3 | Sc | 4d | 5 | Fe | 4d | 1.96 | . |
3 | Sc | 4d | 6 | Fe | 4d | 3.83 | . |
3 | Sc | 4d | 7 | Fe | 4d | 2.86 | . |
3 | Sc | 4d | 8 | Fe | 4d | 5.08 | . |
3 | Sc | 4d | 9 | Fe | 4c | 3.13 | . |
3 | Sc | 4d | 10 | Fe | 4c | 2.84 | . |
3 | Sc | 4d | 11 | Fe | 4c | 2.84 | . |
3 | Sc | 4d | 12 | Fe | 4c | 3.13 | . |
3 | Sc | 4d | 13 | Si | 4d | 1.95 | . |
3 | Sc | 4d | 14 | Si | 4d | 3.83 | . |
3 | Sc | 4d | 15 | Si | 4d | 2.65 | . |
3 | Sc | 4d | 16 | Si | 4d | 5.20 | . |
3 | Sc | 4d | 17 | Si | 4c | 3.22 | . |
3 | Sc | 4d | 18 | Si | 4c | 2.62 | . |
3 | Sc | 4d | 19 | Si | 4c | 2.62 | . |
3 | Sc | 4d | 20 | Si | 4c | 3.22 | . |
4 | Sc | 4d | 5 | Fe | 4d | 3.83 | . |
4 | Sc | 4d | 6 | Fe | 4d | 1.96 | . |
4 | Sc | 4d | 7 | Fe | 4d | 5.08 | . |
4 | Sc | 4d | 8 | Fe | 4d | 2.86 | . |
4 | Sc | 4d | 9 | Fe | 4c | 2.84 | . |
4 | Sc | 4d | 10 | Fe | 4c | 3.13 | . |
4 | Sc | 4d | 11 | Fe | 4c | 3.13 | . |
4 | Sc | 4d | 12 | Fe | 4c | 2.84 | . |
4 | Sc | 4d | 13 | Si | 4d | 3.83 | . |
4 | Sc | 4d | 14 | Si | 4d | 1.95 | . |
4 | Sc | 4d | 15 | Si | 4d | 5.20 | . |
4 | Sc | 4d | 16 | Si | 4d | 2.65 | . |
4 | Sc | 4d | 17 | Si | 4c | 2.62 | . |
4 | Sc | 4d | 18 | Si | 4c | 3.22 | . |
4 | Sc | 4d | 19 | Si | 4c | 3.22 | . |
4 | Sc | 4d | 20 | Si | 4c | 2.62 | . |
5 | Fe | 4d | 6 | Fe | 4d | 3.90 | . |
5 | Fe | 4d | 7 | Fe | 4d | 3.72 | . |
5 | Fe | 4d | 8 | Fe | 4d | 5.02 | . |
5 | Fe | 4d | 9 | Fe | 4c | 3.53 | . |
5 | Fe | 4d | 10 | Fe | 4c | 2.94 | . |
5 | Fe | 4d | 11 | Fe | 4c | 2.94 | . |
5 | Fe | 4d | 12 | Fe | 4c | 3.53 | . |
5 | Fe | 4d | 13 | Si | 4d | 1.53 | . |
5 | Fe | 4d | 14 | Si | 4d | 4.41 | . |
5 | Fe | 4d | 15 | Si | 4d | 4.00 | . |
5 | Fe | 4d | 16 | Si | 4d | 5.07 | . |
5 | Fe | 4d | 17 | Si | 4c | 2.64 | . |
5 | Fe | 4d | 18 | Si | 4c | 2.64 | . |
5 | Fe | 4d | 19 | Si | 4c | 2.64 | . |
5 | Fe | 4d | 20 | Si | 4c | 2.64 | . |
6 | Fe | 4d | 7 | Fe | 4d | 5.02 | . |
6 | Fe | 4d | 8 | Fe | 4d | 3.72 | . |
6 | Fe | 4d | 9 | Fe | 4c | 2.94 | . |
6 | Fe | 4d | 10 | Fe | 4c | 3.53 | . |
6 | Fe | 4d | 11 | Fe | 4c | 3.53 | . |
6 | Fe | 4d | 12 | Fe | 4c | 2.94 | . |
6 | Fe | 4d | 13 | Si | 4d | 4.41 | . |
6 | Fe | 4d | 14 | Si | 4d | 1.53 | . |
6 | Fe | 4d | 15 | Si | 4d | 5.07 | . |
6 | Fe | 4d | 16 | Si | 4d | 4.00 | . |
6 | Fe | 4d | 17 | Si | 4c | 2.64 | . |
6 | Fe | 4d | 18 | Si | 4c | 2.64 | . |
6 | Fe | 4d | 19 | Si | 4c | 2.64 | . |
6 | Fe | 4d | 20 | Si | 4c | 2.64 | . |
7 | Fe | 4d | 8 | Fe | 4d | 3.90 | . |
7 | Fe | 4d | 9 | Fe | 4c | 2.94 | . |
7 | Fe | 4d | 10 | Fe | 4c | 3.53 | . |
7 | Fe | 4d | 11 | Fe | 4c | 3.53 | . |
7 | Fe | 4d | 12 | Fe | 4c | 2.94 | . |
7 | Fe | 4d | 13 | Si | 4d | 4.00 | . |
7 | Fe | 4d | 14 | Si | 4d | 5.07 | . |
7 | Fe | 4d | 15 | Si | 4d | 1.53 | . |
7 | Fe | 4d | 16 | Si | 4d | 4.41 | . |
7 | Fe | 4d | 17 | Si | 4c | 2.64 | . |
7 | Fe | 4d | 18 | Si | 4c | 2.64 | . |
7 | Fe | 4d | 19 | Si | 4c | 2.64 | . |
7 | Fe | 4d | 20 | Si | 4c | 2.64 | . |
8 | Fe | 4d | 9 | Fe | 4c | 3.53 | . |
8 | Fe | 4d | 10 | Fe | 4c | 2.94 | . |
8 | Fe | 4d | 11 | Fe | 4c | 2.94 | . |
8 | Fe | 4d | 12 | Fe | 4c | 3.53 | . |
8 | Fe | 4d | 13 | Si | 4d | 5.07 | . |
8 | Fe | 4d | 14 | Si | 4d | 4.00 | . |
8 | Fe | 4d | 15 | Si | 4d | 4.41 | . |
8 | Fe | 4d | 16 | Si | 4d | 1.53 | . |
8 | Fe | 4d | 17 | Si | 4c | 2.64 | . |
8 | Fe | 4d | 18 | Si | 4c | 2.64 | . |
8 | Fe | 4d | 19 | Si | 4c | 2.64 | . |
8 | Fe | 4d | 20 | Si | 4c | 2.64 | . |
9 | Fe | 4c | 10 | Fe | 4c | 5.26 | . |
9 | Fe | 4c | 11 | Fe | 4c | 3.72 | . |
9 | Fe | 4c | 12 | Fe | 4c | 3.72 | . |
9 | Fe | 4c | 13 | Si | 4d | 2.54 | . |
9 | Fe | 4c | 14 | Si | 4d | 2.83 | . |
9 | Fe | 4c | 15 | Si | 4d | 2.83 | . |
9 | Fe | 4c | 16 | Si | 4d | 2.54 | . |
9 | Fe | 4c | 17 | Si | 4c | 1.66 | . |
9 | Fe | 4c | 18 | Si | 4c | 5.57 | . |
9 | Fe | 4c | 19 | Si | 4c | 4.14 | . |
9 | Fe | 4c | 20 | Si | 4c | 4.08 | . |
10 | Fe | 4c | 11 | Fe | 4c | 3.72 | . |
10 | Fe | 4c | 12 | Fe | 4c | 3.72 | . |
10 | Fe | 4c | 13 | Si | 4d | 2.83 | . |
10 | Fe | 4c | 14 | Si | 4d | 2.54 | . |
10 | Fe | 4c | 15 | Si | 4d | 2.54 | . |
10 | Fe | 4c | 16 | Si | 4d | 2.83 | . |
10 | Fe | 4c | 17 | Si | 4c | 5.57 | . |
10 | Fe | 4c | 18 | Si | 4c | 1.66 | . |
10 | Fe | 4c | 19 | Si | 4c | 4.08 | . |
10 | Fe | 4c | 20 | Si | 4c | 4.14 | . |
11 | Fe | 4c | 12 | Fe | 4c | 5.26 | . |
11 | Fe | 4c | 13 | Si | 4d | 2.83 | . |
11 | Fe | 4c | 14 | Si | 4d | 2.54 | . |
11 | Fe | 4c | 15 | Si | 4d | 2.54 | . |
11 | Fe | 4c | 16 | Si | 4d | 2.83 | . |
11 | Fe | 4c | 17 | Si | 4c | 4.14 | . |
11 | Fe | 4c | 18 | Si | 4c | 4.08 | . |
11 | Fe | 4c | 19 | Si | 4c | 1.66 | . |
11 | Fe | 4c | 20 | Si | 4c | 5.57 | . |
12 | Fe | 4c | 13 | Si | 4d | 2.54 | . |
12 | Fe | 4c | 14 | Si | 4d | 2.83 | . |
12 | Fe | 4c | 15 | Si | 4d | 2.83 | . |
12 | Fe | 4c | 16 | Si | 4d | 2.54 | . |
12 | Fe | 4c | 17 | Si | 4c | 4.08 | . |
12 | Fe | 4c | 18 | Si | 4c | 4.14 | . |
12 | Fe | 4c | 19 | Si | 4c | 5.57 | . |
12 | Fe | 4c | 20 | Si | 4c | 1.66 | . |
13 | Si | 4d | 14 | Si | 4d | 3.88 | . |
13 | Si | 4d | 15 | Si | 4d | 3.63 | . |
13 | Si | 4d | 16 | Si | 4d | 4.68 | . |
13 | Si | 4d | 17 | Si | 4c | 3.30 | . |
13 | Si | 4d | 18 | Si | 4c | 3.36 | . |
13 | Si | 4d | 19 | Si | 4c | 3.36 | . |
13 | Si | 4d | 20 | Si | 4c | 3.30 | . |
14 | Si | 4d | 15 | Si | 4d | 4.68 | . |
14 | Si | 4d | 16 | Si | 4d | 3.63 | . |
14 | Si | 4d | 17 | Si | 4c | 3.36 | . |
14 | Si | 4d | 18 | Si | 4c | 3.30 | . |
14 | Si | 4d | 19 | Si | 4c | 3.30 | . |
14 | Si | 4d | 20 | Si | 4c | 3.36 | . |
15 | Si | 4d | 16 | Si | 4d | 3.88 | . |
15 | Si | 4d | 17 | Si | 4c | 3.36 | . |
15 | Si | 4d | 18 | Si | 4c | 3.30 | . |
15 | Si | 4d | 19 | Si | 4c | 3.30 | . |
15 | Si | 4d | 20 | Si | 4c | 3.36 | . |
16 | Si | 4d | 17 | Si | 4c | 3.30 | . |
16 | Si | 4d | 18 | Si | 4c | 3.36 | . |
16 | Si | 4d | 19 | Si | 4c | 3.36 | . |
16 | Si | 4d | 20 | Si | 4c | 3.30 | . |
17 | Si | 4c | 18 | Si | 4c | 5.16 | . |
17 | Si | 4c | 19 | Si | 4c | 3.57 | . |
17 | Si | 4c | 20 | Si | 4c | 3.72 | . |
18 | Si | 4c | 19 | Si | 4c | 3.72 | . |
18 | Si | 4c | 20 | Si | 4c | 3.57 | . |
19 | Si | 4c | 20 | Si | 4c | 5.16 | . |
DFT calculations |
|
LMTO-GF calculations |
|
References |
Materials Project: mp-505554 |