Crystal system |
tetragonal |
Space group number |
123 |
Hermann-Mauguin |
P4/mmm |
Hall |
-P 4 2 |
Point group |
4/mmm |
Normalized formula |
FeNiPt6 |
The number of formula units per unit cell |
1 |
The total number of atoms per unit cell |
8 |
The number of inequivalent sites per unit cell |
5 |
Structure search |
MP |
a (Å) |
3.9232 |
b (Å) |
3.9232 |
c (Å) |
7.7850 |
α (deg.) |
90.000 |
β (deg.) |
90.000 |
γ (deg.) |
90.000 |
Volume (Å3) |
119.822 |
Density (g/cm3) |
17.809 |
DFT calculations (details) | |
---|---|
Formation energy (vs. elemental phases) |
-142.1 meV/atom |
Formation energy above hull |
0 meV, (stable) |
Compounds with the same formula: FeNiPt6 |
1 entry found |
Compounds with the same elements: Fe-Ni-Pt |
4 entries found |
Binary compounds in Fe-Ni system |
17 entries found |
Binary compounds in Fe-Pt system |
6 entries found |
Binary compounds in Ni-Pt system |
5 entries found |
DFT calculations (details) | |
---|---|
Magnetic ordering |
Ferromagnetic |
Total magnetic moment |
5.33 μB/cell |
Averaged magnetic moment |
0.67 μB/atom |
Magnetic polarization, Js = μ0Ms |
0.52 T (= 413.8 emu/cm3) |
LMTO-GF calculations (details) | |
---|---|
Curie temperature, TC |
|
DFT calculations (details) | |
---|---|
Magnetic anisotropy constant, Ka-c |
-1.02 MJ/m3 (= -0.76 meV/cell) |
Magnetic easy axis |
ab plane |
Magnetic hardness parameter, κ |
2.32 |
index | species | w | x | y | z | m (μB) | Esoc100 (meV) | Esoc001 (meV) |
---|---|---|---|---|---|---|---|---|
1 | Fe | 1a | 0.000000 | 0.000000 | 0.000000 | 3.29 | . | . |
2 | Ni | 1b | 0.000000 | 0.000000 | 0.500000 | 0.62 | . | . |
3 | Pt | 1c | 0.500000 | 0.500000 | 0.000000 | 0.28 | . | . |
4 | Pt | 1d | 0.500000 | 0.500000 | 0.500000 | 0.24 | . | . |
5 | Pt | 4i | 0.500000 | 0.000000 | 0.248523 | 0.25 | . | . |
6 | Pt | 4i | 0.500000 | 0.000000 | 0.751477 | 0.25 | . | . |
7 | Pt | 4i | 0.000000 | 0.500000 | 0.248523 | 0.25 | . | . |
8 | Pt | 4i | 0.000000 | 0.500000 | 0.751477 | 0.25 | . | . |
site i | site j | distance (Å) | Jij (meV) | ||||
---|---|---|---|---|---|---|---|
1 | Fe | 1a | 2 | Ni | 1b | 3.89 | . |
1 | Fe | 1a | 3 | Pt | 1c | 2.77 | . |
1 | Fe | 1a | 4 | Pt | 1d | 4.78 | . |
1 | Fe | 1a | 5 | Pt | 4i | 2.76 | . |
1 | Fe | 1a | 6 | Pt | 4i | 2.76 | . |
1 | Fe | 1a | 7 | Pt | 4i | 2.76 | . |
1 | Fe | 1a | 8 | Pt | 4i | 2.76 | . |
2 | Ni | 1b | 3 | Pt | 1c | 4.78 | . |
2 | Ni | 1b | 4 | Pt | 1d | 2.77 | . |
2 | Ni | 1b | 5 | Pt | 4i | 2.77 | . |
2 | Ni | 1b | 6 | Pt | 4i | 2.77 | . |
2 | Ni | 1b | 7 | Pt | 4i | 2.77 | . |
2 | Ni | 1b | 8 | Pt | 4i | 2.77 | . |
3 | Pt | 1c | 4 | Pt | 1d | 3.89 | . |
3 | Pt | 1c | 5 | Pt | 4i | 2.76 | . |
3 | Pt | 1c | 6 | Pt | 4i | 2.76 | . |
3 | Pt | 1c | 7 | Pt | 4i | 2.76 | . |
3 | Pt | 1c | 8 | Pt | 4i | 2.76 | . |
4 | Pt | 1d | 5 | Pt | 4i | 2.77 | . |
4 | Pt | 1d | 6 | Pt | 4i | 2.77 | . |
4 | Pt | 1d | 7 | Pt | 4i | 2.77 | . |
4 | Pt | 1d | 8 | Pt | 4i | 2.77 | . |
5 | Pt | 4i | 6 | Pt | 4i | 3.87 | . |
5 | Pt | 4i | 7 | Pt | 4i | 2.77 | . |
5 | Pt | 4i | 8 | Pt | 4i | 4.76 | . |
6 | Pt | 4i | 7 | Pt | 4i | 4.76 | . |
6 | Pt | 4i | 8 | Pt | 4i | 2.77 | . |
7 | Pt | 4i | 8 | Pt | 4i | 3.87 | . |
DFT calculations |
|
LMTO-GF calculations |
|
References |
Materials Project: mp-1224947 |