Crystal system |
orthorhombic |
Space group number |
26 |
Hermann-Mauguin |
Pmc2_1 |
Hall |
P 2c -2 |
Point group |
mm2 |
Normalized formula |
Mn2FeCoP2 |
The number of formula units per unit cell |
2 |
The total number of atoms per unit cell |
12 |
The number of inequivalent sites per unit cell |
6 |
Structure search |
MP |
a (Å) |
3.5038 |
b (Å) |
6.6662 |
c (Å) |
5.8035 |
α (deg.) |
90.000 |
β (deg.) |
90.000 |
γ (deg.) |
90.000 |
Volume (Å3) |
135.553 |
Density (g/cm3) |
7.022 |
DFT calculations (details) | |
---|---|
Formation energy (vs. elemental phases) |
-587.8 meV/atom |
Formation energy above hull |
0 meV, (stable) |
Compounds with the same formula: Mn2FeCoP2 |
1 entry found |
Compounds with the same elements: Mn-Fe-Co-P |
2 entries found |
Ternary compounds in Mn-Fe-Co system |
No entries found |
Ternary compounds in Mn-Fe-P system |
5 entries found |
Ternary compounds in Mn-Co-P system |
1 entry found |
Ternary compounds in Fe-Co-P system |
1 entry found |
DFT calculations (details) | |
---|---|
Magnetic ordering |
Ferromagnetic |
Total magnetic moment |
11.38 μB/cell |
Averaged magnetic moment |
0.95 μB/atom |
Magnetic polarization, Js = μ0Ms |
0.98 T (= 779.9 emu/cm3) |
LMTO-GF calculations (details) | |
---|---|
Curie temperature, TC |
|
DFT calculations (details) | |
---|---|
Magnetic anisotropy constant, Ka-c |
-0.52 MJ/m3 (= -0.44 meV/cell) |
Magnetic anisotropy constant, Kb-c |
-0.30 MJ/m3 (= -0.26 meV/cell) |
Magnetic anisotropy constant, Kb-a |
0.21 MJ/m3 (= 0.18 meV/cell) |
Magnetic easy axis |
a |
Magnetic hardness parameter, κ |
0.82 |
index | species | w | x | y | z | m (μB) | Esoc100 (meV) | Esoc001 (meV) |
---|---|---|---|---|---|---|---|---|
1 | Mn | 2b | 0.500000 | 0.527926 | 0.579178 | 2.57 | . | . |
2 | Mn | 2b | 0.500000 | 0.027926 | 0.420822 | 2.57 | . | . |
3 | Mn | 2a | 0.000000 | 0.471021 | 0.920483 | 2.55 | . | . |
4 | Mn | 2a | 0.000000 | 0.971021 | 0.079517 | 2.55 | . | . |
5 | Fe | 2a | 0.000000 | 0.354664 | 0.312017 | 0.33 | . | . |
6 | Fe | 2a | 0.000000 | 0.854664 | 0.687983 | 0.33 | . | . |
7 | Co | 2b | 0.500000 | 0.647594 | 0.183776 | 0.28 | . | . |
8 | Co | 2b | 0.500000 | 0.147594 | 0.816224 | 0.28 | . | . |
9 | P | 2b | 0.500000 | 0.267341 | 0.127261 | -0.06 | . | . |
10 | P | 2b | 0.500000 | 0.767341 | 0.872739 | -0.06 | . | . |
11 | P | 2a | 0.000000 | 0.731454 | 0.376537 | -0.06 | . | . |
12 | P | 2a | 0.000000 | 0.231454 | 0.623463 | -0.06 | . | . |
site i | site j | distance (Å) | Jij (meV) | ||||
---|---|---|---|---|---|---|---|
1 | Mn | 2b | 2 | Mn | 2b | 3.46 | . |
1 | Mn | 2b | 3 | Mn | 2a | 2.67 | . |
1 | Mn | 2b | 4 | Mn | 2a | 4.49 | . |
1 | Mn | 2b | 5 | Fe | 2a | 2.61 | . |
1 | Mn | 2b | 6 | Fe | 2a | 2.87 | . |
1 | Mn | 2b | 7 | Co | 2b | 2.43 | . |
1 | Mn | 2b | 8 | Co | 2b | 2.88 | . |
1 | Mn | 2b | 9 | P | 2b | 3.15 | . |
1 | Mn | 2b | 10 | P | 2b | 2.33 | . |
1 | Mn | 2b | 11 | P | 2a | 2.51 | . |
1 | Mn | 2b | 12 | P | 2a | 2.65 | . |
2 | Mn | 2b | 3 | Mn | 2a | 4.49 | . |
2 | Mn | 2b | 4 | Mn | 2a | 2.67 | . |
2 | Mn | 2b | 5 | Fe | 2a | 2.87 | . |
2 | Mn | 2b | 6 | Fe | 2a | 2.61 | . |
2 | Mn | 2b | 7 | Co | 2b | 2.88 | . |
2 | Mn | 2b | 8 | Co | 2b | 2.43 | . |
2 | Mn | 2b | 9 | P | 2b | 2.33 | . |
2 | Mn | 2b | 10 | P | 2b | 3.15 | . |
2 | Mn | 2b | 11 | P | 2a | 2.65 | . |
2 | Mn | 2b | 12 | P | 2a | 2.51 | . |
3 | Mn | 2a | 4 | Mn | 2a | 3.46 | . |
3 | Mn | 2a | 5 | Fe | 2a | 2.40 | . |
3 | Mn | 2a | 6 | Fe | 2a | 2.89 | . |
3 | Mn | 2a | 7 | Co | 2b | 2.61 | . |
3 | Mn | 2a | 8 | Co | 2b | 2.84 | . |
3 | Mn | 2a | 9 | P | 2b | 2.52 | . |
3 | Mn | 2a | 10 | P | 2b | 2.65 | . |
3 | Mn | 2a | 11 | P | 2a | 3.17 | . |
3 | Mn | 2a | 12 | P | 2a | 2.35 | . |
4 | Mn | 2a | 5 | Fe | 2a | 2.89 | . |
4 | Mn | 2a | 6 | Fe | 2a | 2.40 | . |
4 | Mn | 2a | 7 | Co | 2b | 2.84 | . |
4 | Mn | 2a | 8 | Co | 2b | 2.61 | . |
4 | Mn | 2a | 9 | P | 2b | 2.65 | . |
4 | Mn | 2a | 10 | P | 2b | 2.52 | . |
4 | Mn | 2a | 11 | P | 2a | 2.35 | . |
4 | Mn | 2a | 12 | P | 2a | 3.17 | . |
5 | Fe | 2a | 6 | Fe | 2a | 3.98 | . |
5 | Fe | 2a | 7 | Co | 2b | 2.73 | . |
5 | Fe | 2a | 8 | Co | 2b | 3.64 | . |
5 | Fe | 2a | 9 | P | 2b | 2.13 | . |
5 | Fe | 2a | 10 | P | 2b | 4.14 | . |
5 | Fe | 2a | 11 | P | 2a | 2.54 | . |
5 | Fe | 2a | 12 | P | 2a | 1.99 | . |
6 | Fe | 2a | 7 | Co | 2b | 3.64 | . |
6 | Fe | 2a | 8 | Co | 2b | 2.73 | . |
6 | Fe | 2a | 9 | P | 2b | 4.14 | . |
6 | Fe | 2a | 10 | P | 2b | 2.13 | . |
6 | Fe | 2a | 11 | P | 2a | 1.99 | . |
6 | Fe | 2a | 12 | P | 2a | 2.54 | . |
7 | Co | 2b | 8 | Co | 2b | 3.96 | . |
7 | Co | 2b | 9 | P | 2b | 2.56 | . |
7 | Co | 2b | 10 | P | 2b | 1.97 | . |
7 | Co | 2b | 11 | P | 2a | 2.15 | . |
7 | Co | 2b | 12 | P | 2a | 4.16 | . |
8 | Co | 2b | 9 | P | 2b | 1.97 | . |
8 | Co | 2b | 10 | P | 2b | 2.56 | . |
8 | Co | 2b | 11 | P | 2a | 4.16 | . |
8 | Co | 2b | 12 | P | 2a | 2.15 | . |
9 | P | 2b | 10 | P | 2b | 3.65 | . |
9 | P | 2b | 11 | P | 2a | 3.84 | . |
9 | P | 2b | 12 | P | 2a | 3.38 | . |
10 | P | 2b | 11 | P | 2a | 3.38 | . |
10 | P | 2b | 12 | P | 2a | 3.84 | . |
11 | P | 2a | 12 | P | 2a | 3.63 | . |
DFT calculations |
|
LMTO-GF calculations |
|
References |
Materials Project: mp-1221920 |