Crystal system |
orthorhombic |
Space group number |
62 |
Hermann-Mauguin |
Pnma |
Hall |
-P 2ac 2n |
Point group |
mmm |
Normalized formula |
FeCoP |
The number of formula units per unit cell |
4 |
The total number of atoms per unit cell |
12 |
The number of inequivalent sites per unit cell |
3 |
Structure search |
MP |
a (Å) |
5.7116 |
b (Å) |
3.5270 |
c (Å) |
6.5253 |
α (deg.) |
90.000 |
β (deg.) |
90.000 |
γ (deg.) |
90.000 |
Volume (Å3) |
131.451 |
Density (g/cm3) |
7.365 |
DFT calculations (details) | |
---|---|
Formation energy (vs. elemental phases) |
-551.6 meV/atom |
Formation energy above hull |
0 meV, (stable) |
Compounds with the same formula: FeCoP |
1 entry found |
Compounds with the same elements: Fe-Co-P |
1 entry found |
Binary compounds in Fe-Co system |
11 entries found |
Binary compounds in Fe-P system |
11 entries found |
Binary compounds in Co-P system |
9 entries found |
DFT calculations (details) | |
---|---|
Magnetic ordering |
Ferromagnetic |
Total magnetic moment |
8.14 μB/cell |
Averaged magnetic moment |
0.68 μB/atom |
Magnetic polarization, Js = μ0Ms |
0.72 T (= 573.0 emu/cm3) |
LMTO-GF calculations (details) | |
---|---|
Curie temperature, TC |
|
DFT calculations (details) | |
---|---|
Magnetic anisotropy constant, Ka-c |
0.71 MJ/m3 (= 0.59 meV/cell) |
Magnetic anisotropy constant, Kb-c |
0.48 MJ/m3 (= 0.40 meV/cell) |
Magnetic anisotropy constant, Kb-a |
-0.23 MJ/m3 (= -0.19 meV/cell) |
Magnetic easy axis |
c |
Magnetic hardness parameter, κ |
1.31 |
index | species | w | x | y | z | m (μB) | Esoc100 (meV) | Esoc001 (meV) |
---|---|---|---|---|---|---|---|---|
1 | Fe | 4c | 0.250000 | 0.030238 | 0.161877 | 1.74 | . | . |
2 | Fe | 4c | 0.250000 | 0.530238 | 0.338123 | 1.74 | . | . |
3 | Fe | 4c | 0.750000 | 0.969762 | 0.838123 | 1.74 | . | . |
4 | Fe | 4c | 0.750000 | 0.469762 | 0.661877 | 1.74 | . | . |
5 | Co | 4c | 0.250000 | 0.139106 | 0.567890 | 0.36 | . | . |
6 | Co | 4c | 0.250000 | 0.639106 | 0.932110 | 0.36 | . | . |
7 | Co | 4c | 0.750000 | 0.860894 | 0.432110 | 0.36 | . | . |
8 | Co | 4c | 0.750000 | 0.360894 | 0.067890 | 0.36 | . | . |
9 | P | 4c | 0.250000 | 0.757072 | 0.618719 | -0.04 | . | . |
10 | P | 4c | 0.250000 | 0.257072 | 0.881281 | -0.04 | . | . |
11 | P | 4c | 0.750000 | 0.242928 | 0.381281 | -0.04 | . | . |
12 | P | 4c | 0.750000 | 0.742928 | 0.118719 | -0.04 | . | . |
site i | site j | distance (Å) | Jij (meV) | ||||
---|---|---|---|---|---|---|---|
1 | Fe | 4c | 2 | Fe | 4c | 2.11 | . |
1 | Fe | 4c | 3 | Fe | 4c | 3.56 | . |
1 | Fe | 4c | 4 | Fe | 4c | 4.60 | . |
1 | Fe | 4c | 5 | Co | 4c | 2.68 | . |
1 | Fe | 4c | 6 | Co | 4c | 2.04 | . |
1 | Fe | 4c | 7 | Co | 4c | 3.41 | . |
1 | Fe | 4c | 8 | Co | 4c | 3.15 | . |
1 | Fe | 4c | 9 | P | 4c | 3.13 | . |
1 | Fe | 4c | 10 | P | 4c | 2.00 | . |
1 | Fe | 4c | 11 | P | 4c | 3.28 | . |
1 | Fe | 4c | 12 | P | 4c | 3.04 | . |
2 | Fe | 4c | 3 | Fe | 4c | 4.60 | . |
2 | Fe | 4c | 4 | Fe | 4c | 3.56 | . |
2 | Fe | 4c | 5 | Co | 4c | 2.04 | . |
2 | Fe | 4c | 6 | Co | 4c | 2.68 | . |
2 | Fe | 4c | 7 | Co | 4c | 3.15 | . |
2 | Fe | 4c | 8 | Co | 4c | 3.41 | . |
2 | Fe | 4c | 9 | P | 4c | 2.00 | . |
2 | Fe | 4c | 10 | P | 4c | 3.13 | . |
2 | Fe | 4c | 11 | P | 4c | 3.04 | . |
2 | Fe | 4c | 12 | P | 4c | 3.28 | . |
3 | Fe | 4c | 4 | Fe | 4c | 2.11 | . |
3 | Fe | 4c | 5 | Co | 4c | 3.41 | . |
3 | Fe | 4c | 6 | Co | 4c | 3.15 | . |
3 | Fe | 4c | 7 | Co | 4c | 2.68 | . |
3 | Fe | 4c | 8 | Co | 4c | 2.04 | . |
3 | Fe | 4c | 9 | P | 4c | 3.28 | . |
3 | Fe | 4c | 10 | P | 4c | 3.04 | . |
3 | Fe | 4c | 11 | P | 4c | 3.13 | . |
3 | Fe | 4c | 12 | P | 4c | 2.00 | . |
4 | Fe | 4c | 5 | Co | 4c | 3.15 | . |
4 | Fe | 4c | 6 | Co | 4c | 3.41 | . |
4 | Fe | 4c | 7 | Co | 4c | 2.04 | . |
4 | Fe | 4c | 8 | Co | 4c | 2.68 | . |
4 | Fe | 4c | 9 | P | 4c | 3.04 | . |
4 | Fe | 4c | 10 | P | 4c | 3.28 | . |
4 | Fe | 4c | 11 | P | 4c | 2.00 | . |
4 | Fe | 4c | 12 | P | 4c | 3.13 | . |
5 | Co | 4c | 6 | Co | 4c | 2.96 | . |
5 | Co | 4c | 7 | Co | 4c | 3.15 | . |
5 | Co | 4c | 8 | Co | 4c | 4.41 | . |
5 | Co | 4c | 9 | P | 4c | 1.39 | . |
5 | Co | 4c | 10 | P | 4c | 2.09 | . |
5 | Co | 4c | 11 | P | 4c | 3.13 | . |
5 | Co | 4c | 12 | P | 4c | 4.32 | . |
6 | Co | 4c | 7 | Co | 4c | 4.41 | . |
6 | Co | 4c | 8 | Co | 4c | 3.15 | . |
6 | Co | 4c | 9 | P | 4c | 2.09 | . |
6 | Co | 4c | 10 | P | 4c | 1.39 | . |
6 | Co | 4c | 11 | P | 4c | 4.32 | . |
6 | Co | 4c | 12 | P | 4c | 3.13 | . |
7 | Co | 4c | 8 | Co | 4c | 2.96 | . |
7 | Co | 4c | 9 | P | 4c | 3.13 | . |
7 | Co | 4c | 10 | P | 4c | 4.32 | . |
7 | Co | 4c | 11 | P | 4c | 1.39 | . |
7 | Co | 4c | 12 | P | 4c | 2.09 | . |
8 | Co | 4c | 9 | P | 4c | 4.32 | . |
8 | Co | 4c | 10 | P | 4c | 3.13 | . |
8 | Co | 4c | 11 | P | 4c | 2.09 | . |
8 | Co | 4c | 12 | P | 4c | 1.39 | . |
9 | P | 4c | 10 | P | 4c | 2.46 | . |
9 | P | 4c | 11 | P | 4c | 3.67 | . |
9 | P | 4c | 12 | P | 4c | 4.34 | . |
10 | P | 4c | 11 | P | 4c | 4.34 | . |
10 | P | 4c | 12 | P | 4c | 3.67 | . |
11 | P | 4c | 12 | P | 4c | 2.46 | . |
DFT calculations |
|
LMTO-GF calculations |
|
References |
Materials Project: mp-1095664 |