Crystal system |
cubic |
Space group number |
221 |
Hermann-Mauguin |
Pm-3m |
Hall |
-P 4 2 3 |
Point group |
m-3m |
Normalized formula |
NiPt3 |
The number of formula units per unit cell |
1 |
The total number of atoms per unit cell |
4 |
The number of inequivalent sites per unit cell |
2 |
Structure search |
MP |
a (Å) |
3.8790 |
b (Å) |
3.8790 |
c (Å) |
3.8790 |
α (deg.) |
90.000 |
β (deg.) |
90.000 |
γ (deg.) |
90.000 |
Volume (Å3) |
58.368 |
Density (g/cm3) |
18.320 |
DFT calculations (details) | |
---|---|
Formation energy (vs. elemental phases) |
-59.4 meV/atom |
Formation energy above hull |
0 meV, (stable) |
DFT calculations (details) | |
---|---|
Magnetic ordering |
Ferromagnetic |
Total magnetic moment |
1.18 μB/cell |
Averaged magnetic moment |
0.29 μB/atom |
Magnetic polarization, Js = μ0Ms |
0.24 T (= 191.0 emu/cm3) |
LMTO-GF calculations (details) | |
---|---|
Curie temperature, TC |
|
DFT calculations (details) | |
---|---|
Magnetic anisotropy constant, Kd-a |
-0.01 MJ/m3 (= -0.00 meV/cell) |
Magnetic easy axis |
<111> |
Magnetic hardness parameter, κ |
0.41 |
index | species | w | x | y | z | m (μB) | Esoc100 (meV) | Esoc001 (meV) |
---|---|---|---|---|---|---|---|---|
1 | Ni | 1a | 0.000000 | 0.000000 | 0.000000 | 0.75 | . | . |
2 | Pt | 3c | 0.000000 | 0.500000 | 0.500000 | 0.16 | . | . |
3 | Pt | 3c | 0.500000 | 0.000000 | 0.500000 | 0.16 | . | . |
4 | Pt | 3c | 0.500000 | 0.500000 | 0.000000 | 0.16 | . | . |
site i | site j | distance (Å) | Jij (meV) | ||||
---|---|---|---|---|---|---|---|
1 | Ni | 1a | 2 | Pt | 3c | 2.74 | . |
1 | Ni | 1a | 3 | Pt | 3c | 2.74 | . |
1 | Ni | 1a | 4 | Pt | 3c | 2.74 | . |
2 | Pt | 3c | 3 | Pt | 3c | 2.74 | . |
2 | Pt | 3c | 4 | Pt | 3c | 2.74 | . |
3 | Pt | 3c | 4 | Pt | 3c | 2.74 | . |
DFT calculations |
|
LMTO-GF calculations |
|
References |
Materials Project: mp-1186117 |