Crystal system |
orthorhombic |
Space group number |
26 |
Hermann-Mauguin |
Pmc2_1 |
Hall |
P 2c -2 |
Point group |
mm2 |
Normalized formula |
Mn3NiP2 |
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) |
3.4708 |
b (Å) |
6.8112 |
c (Å) |
5.8805 |
α (deg.) |
90.000 |
β (deg.) |
90.000 |
γ (deg.) |
90.000 |
Volume (Å3) |
139.018 |
Density (g/cm3) |
6.819 |
DFT calculations (details) | |
---|---|
Formation energy (vs. elemental phases) |
-517.4 meV/atom |
Formation energy above hull |
0 meV, (stable) |
Compounds with the same formula: Mn3NiP2 |
1 entry found |
Compounds with the same elements: Mn-Ni-P |
6 entries found |
Binary compounds in Mn-Ni system |
5 entries found |
Binary compounds in Mn-P system |
11 entries found |
Binary compounds in Ni-P system |
13 entries found |
DFT calculations (details) | |
---|---|
Magnetic ordering |
Ferromagnetic |
Total magnetic moment |
12.75 μB/cell |
Averaged magnetic moment |
1.06 μB/atom |
Magnetic polarization, Js = μ0Ms |
1.07 T (= 851.5 emu/cm3) |
LMTO-GF calculations (details) | |
---|---|
Curie temperature, TC |
|
DFT calculations (details) | |
---|---|
Magnetic anisotropy constant, Ka-c |
-1.83 MJ/m3 (= -1.59 meV/cell) |
Magnetic anisotropy constant, Kb-c |
-0.91 MJ/m3 (= -0.79 meV/cell) |
Magnetic anisotropy constant, Kb-a |
0.92 MJ/m3 (= 0.80 meV/cell) |
Magnetic easy axis |
a |
Magnetic hardness parameter, κ |
1.47 |
index | species | w | x | y | z | m (μB) | Esoc100 (meV) | Esoc001 (meV) |
---|---|---|---|---|---|---|---|---|
1 | Mn | 2a | 0.000000 | 0.638831 | 0.811045 | 0.96 | . | . |
2 | Mn | 2a | 0.000000 | 0.138831 | 0.188955 | 0.96 | . | . |
3 | Mn | 2b | 0.500000 | 0.470388 | 0.086787 | 2.52 | . | . |
4 | Mn | 2b | 0.500000 | 0.970388 | 0.913213 | 2.52 | . | . |
5 | Mn | 2a | 0.000000 | 0.533833 | 0.418343 | 2.52 | . | . |
6 | Mn | 2a | 0.000000 | 0.033833 | 0.581657 | 2.52 | . | . |
7 | Ni | 2b | 0.500000 | 0.352908 | 0.681751 | 0.15 | . | . |
8 | Ni | 2b | 0.500000 | 0.852908 | 0.318249 | 0.15 | . | . |
9 | P | 2b | 0.500000 | 0.737902 | 0.627031 | -0.06 | . | . |
10 | P | 2b | 0.500000 | 0.237902 | 0.372969 | -0.06 | . | . |
11 | P | 2a | 0.000000 | 0.266137 | 0.883285 | -0.07 | . | . |
12 | P | 2a | 0.000000 | 0.766137 | 0.116715 | -0.07 | . | . |
site i | site j | distance (Å) | Jij (meV) | ||||
---|---|---|---|---|---|---|---|
1 | Mn | 2a | 2 | Mn | 2a | 4.07 | . |
1 | Mn | 2a | 3 | Mn | 2b | 2.64 | . |
1 | Mn | 2a | 4 | Mn | 2b | 2.91 | . |
1 | Mn | 2a | 5 | Mn | 2a | 2.42 | . |
1 | Mn | 2a | 6 | Mn | 2a | 3.01 | . |
1 | Mn | 2a | 7 | Ni | 2b | 2.72 | . |
1 | Mn | 2a | 8 | Ni | 2b | 3.68 | . |
1 | Mn | 2a | 9 | P | 2b | 2.15 | . |
1 | Mn | 2a | 10 | P | 2b | 4.14 | . |
1 | Mn | 2a | 11 | P | 2a | 2.57 | . |
1 | Mn | 2a | 12 | P | 2a | 2.00 | . |
2 | Mn | 2a | 3 | Mn | 2b | 2.91 | . |
2 | Mn | 2a | 4 | Mn | 2b | 2.64 | . |
2 | Mn | 2a | 5 | Mn | 2a | 3.01 | . |
2 | Mn | 2a | 6 | Mn | 2a | 2.42 | . |
2 | Mn | 2a | 7 | Ni | 2b | 3.68 | . |
2 | Mn | 2a | 8 | Ni | 2b | 2.72 | . |
2 | Mn | 2a | 9 | P | 2b | 4.14 | . |
2 | Mn | 2a | 10 | P | 2b | 2.15 | . |
2 | Mn | 2a | 11 | P | 2a | 2.00 | . |
2 | Mn | 2a | 12 | P | 2a | 2.57 | . |
3 | Mn | 2b | 4 | Mn | 2b | 3.56 | . |
3 | Mn | 2b | 5 | Mn | 2a | 2.65 | . |
3 | Mn | 2b | 6 | Mn | 2a | 4.51 | . |
3 | Mn | 2b | 7 | Ni | 2b | 2.51 | . |
3 | Mn | 2b | 8 | Ni | 2b | 2.94 | . |
3 | Mn | 2b | 9 | P | 2b | 3.26 | . |
3 | Mn | 2b | 10 | P | 2b | 2.31 | . |
3 | Mn | 2b | 11 | P | 2a | 2.53 | . |
3 | Mn | 2b | 12 | P | 2a | 2.66 | . |
4 | Mn | 2b | 5 | Mn | 2a | 4.51 | . |
4 | Mn | 2b | 6 | Mn | 2a | 2.65 | . |
4 | Mn | 2b | 7 | Ni | 2b | 2.94 | . |
4 | Mn | 2b | 8 | Ni | 2b | 2.51 | . |
4 | Mn | 2b | 9 | P | 2b | 2.31 | . |
4 | Mn | 2b | 10 | P | 2b | 3.26 | . |
4 | Mn | 2b | 11 | P | 2a | 2.66 | . |
4 | Mn | 2b | 12 | P | 2a | 2.53 | . |
5 | Mn | 2a | 6 | Mn | 2a | 3.54 | . |
5 | Mn | 2a | 7 | Ni | 2b | 2.63 | . |
5 | Mn | 2a | 8 | Ni | 2b | 2.84 | . |
5 | Mn | 2a | 9 | P | 2b | 2.54 | . |
5 | Mn | 2a | 10 | P | 2b | 2.67 | . |
5 | Mn | 2a | 11 | P | 2a | 3.29 | . |
5 | Mn | 2a | 12 | P | 2a | 2.38 | . |
6 | Mn | 2a | 7 | Ni | 2b | 2.84 | . |
6 | Mn | 2a | 8 | Ni | 2b | 2.63 | . |
6 | Mn | 2a | 9 | P | 2b | 2.67 | . |
6 | Mn | 2a | 10 | P | 2b | 2.54 | . |
6 | Mn | 2a | 11 | P | 2a | 2.38 | . |
6 | Mn | 2a | 12 | P | 2a | 3.29 | . |
7 | Ni | 2b | 8 | Ni | 2b | 4.02 | . |
7 | Ni | 2b | 9 | P | 2b | 2.64 | . |
7 | Ni | 2b | 10 | P | 2b | 1.98 | . |
7 | Ni | 2b | 11 | P | 2a | 2.18 | . |
7 | Ni | 2b | 12 | P | 2a | 4.18 | . |
8 | Ni | 2b | 9 | P | 2b | 1.98 | . |
8 | Ni | 2b | 10 | P | 2b | 2.64 | . |
8 | Ni | 2b | 11 | P | 2a | 4.18 | . |
8 | Ni | 2b | 12 | P | 2a | 2.18 | . |
9 | P | 2b | 10 | P | 2b | 3.72 | . |
9 | P | 2b | 11 | P | 2a | 3.95 | . |
9 | P | 2b | 12 | P | 2a | 3.37 | . |
10 | P | 2b | 11 | P | 2a | 3.37 | . |
10 | P | 2b | 12 | P | 2a | 3.95 | . |
11 | P | 2a | 12 | P | 2a | 3.67 | . |
DFT calculations |
|
LMTO-GF calculations |
|
References |
Materials Project: mp-1221804 |