Crystal system |
trigonal |
Space group number |
160 |
Hermann-Mauguin |
R3m |
Hall |
R 3 -2" |
Point group |
3m |
Normalized formula |
MnCrN2 |
The number of formula units per unit cell |
3 |
The total number of atoms per unit cell |
12 |
The number of inequivalent sites per unit cell |
4 |
Structure search |
MP |
a (Å) |
2.7536 |
b (Å) |
2.7536 |
c (Å) |
15.2650 |
α (deg.) |
90.000 |
β (deg.) |
90.000 |
γ (deg.) |
120.000 |
Volume (Å3) |
100.235 |
Density (g/cm3) |
6.707 |
DFT calculations (details) | |
---|---|
Formation energy (vs. elemental phases) |
-311.1 meV/atom |
Formation energy above hull |
|
Compounds with the same formula: MnCrN2 |
2 entries found |
Compounds with the same elements: Mn-Cr-N |
6 entries found |
Binary compounds in Mn-Cr system |
1 entry found |
Binary compounds in Mn-N system |
12 entries found |
Binary compounds in Cr-N system |
85 entries found |
DFT calculations (details) | |
---|---|
Magnetic ordering |
Ferromagnetic |
Total magnetic moment |
7.31 μB/cell |
Averaged magnetic moment |
0.61 μB/atom |
Magnetic polarization, Js = μ0Ms |
0.85 T (= 676.4 emu/cm3) |
LMTO-GF calculations (details) | |
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Curie temperature, TC |
|
DFT calculations (details) | |
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Magnetic easy axis |
|
Magnetic hardness parameter, κ |
|
index | species | w | x | y | z | m (μB) | Esoc100 (meV) | Esoc001 (meV) |
---|---|---|---|---|---|---|---|---|
1 | Mn | 3a | 0.333333 | 0.666667 | 0.500962 | 2.06 | . | . |
2 | Mn | 3a | 0.000000 | 0.000000 | 0.834295 | 2.06 | . | . |
3 | Mn | 3a | 0.666667 | 0.333333 | 0.167628 | 2.06 | . | . |
4 | Cr | 3a | 0.333333 | 0.666667 | 0.666940 | 0.16 | . | . |
5 | Cr | 3a | 0.000000 | 0.000000 | 0.000273 | 0.16 | . | . |
6 | Cr | 3a | 0.666667 | 0.333333 | 0.333607 | 0.16 | . | . |
7 | N | 3a | 0.666667 | 0.333333 | 0.584131 | -0.03 | . | . |
8 | N | 3a | 0.666667 | 0.333333 | 0.747993 | 0.01 | . | . |
9 | N | 3a | 0.333333 | 0.666667 | 0.917464 | -0.03 | . | . |
10 | N | 3a | 0.333333 | 0.666667 | 0.081326 | 0.01 | . | . |
11 | N | 3a | 0.000000 | 0.000000 | 0.250798 | -0.03 | . | . |
12 | N | 3a | 0.000000 | 0.000000 | 0.414659 | 0.01 | . | . |
site i | site j | distance (Å) | Jij (meV) | ||||
---|---|---|---|---|---|---|---|
1 | Mn | 3a | 2 | Mn | 3a | 5.33 | . |
1 | Mn | 3a | 3 | Mn | 3a | 5.33 | . |
1 | Mn | 3a | 4 | Cr | 3a | 2.53 | . |
1 | Mn | 3a | 5 | Cr | 3a | 7.79 | . |
1 | Mn | 3a | 6 | Cr | 3a | 3.01 | . |
1 | Mn | 3a | 7 | N | 3a | 2.03 | . |
1 | Mn | 3a | 8 | N | 3a | 4.09 | . |
1 | Mn | 3a | 9 | N | 3a | 6.36 | . |
1 | Mn | 3a | 10 | N | 3a | 6.41 | . |
1 | Mn | 3a | 11 | N | 3a | 4.14 | . |
1 | Mn | 3a | 12 | N | 3a | 2.06 | . |
2 | Mn | 3a | 3 | Mn | 3a | 5.33 | . |
2 | Mn | 3a | 4 | Cr | 3a | 3.01 | . |
2 | Mn | 3a | 5 | Cr | 3a | 2.53 | . |
2 | Mn | 3a | 6 | Cr | 3a | 7.79 | . |
2 | Mn | 3a | 7 | N | 3a | 4.14 | . |
2 | Mn | 3a | 8 | N | 3a | 2.06 | . |
2 | Mn | 3a | 9 | N | 3a | 2.03 | . |
2 | Mn | 3a | 10 | N | 3a | 4.09 | . |
2 | Mn | 3a | 11 | N | 3a | 6.36 | . |
2 | Mn | 3a | 12 | N | 3a | 6.41 | . |
3 | Mn | 3a | 4 | Cr | 3a | 7.79 | . |
3 | Mn | 3a | 5 | Cr | 3a | 3.01 | . |
3 | Mn | 3a | 6 | Cr | 3a | 2.53 | . |
3 | Mn | 3a | 7 | N | 3a | 6.36 | . |
3 | Mn | 3a | 8 | N | 3a | 6.41 | . |
3 | Mn | 3a | 9 | N | 3a | 4.14 | . |
3 | Mn | 3a | 10 | N | 3a | 2.06 | . |
3 | Mn | 3a | 11 | N | 3a | 2.03 | . |
3 | Mn | 3a | 12 | N | 3a | 4.09 | . |
4 | Cr | 3a | 5 | Cr | 3a | 5.33 | . |
4 | Cr | 3a | 6 | Cr | 3a | 5.33 | . |
4 | Cr | 3a | 7 | N | 3a | 2.03 | . |
4 | Cr | 3a | 8 | N | 3a | 2.01 | . |
4 | Cr | 3a | 9 | N | 3a | 3.82 | . |
4 | Cr | 3a | 10 | N | 3a | 6.33 | . |
4 | Cr | 3a | 11 | N | 3a | 6.55 | . |
4 | Cr | 3a | 12 | N | 3a | 4.17 | . |
5 | Cr | 3a | 6 | Cr | 3a | 5.33 | . |
5 | Cr | 3a | 7 | N | 3a | 6.55 | . |
5 | Cr | 3a | 8 | N | 3a | 4.17 | . |
5 | Cr | 3a | 9 | N | 3a | 2.03 | . |
5 | Cr | 3a | 10 | N | 3a | 2.01 | . |
5 | Cr | 3a | 11 | N | 3a | 3.82 | . |
5 | Cr | 3a | 12 | N | 3a | 6.33 | . |
6 | Cr | 3a | 7 | N | 3a | 3.82 | . |
6 | Cr | 3a | 8 | N | 3a | 6.33 | . |
6 | Cr | 3a | 9 | N | 3a | 6.55 | . |
6 | Cr | 3a | 10 | N | 3a | 4.17 | . |
6 | Cr | 3a | 11 | N | 3a | 2.03 | . |
6 | Cr | 3a | 12 | N | 3a | 2.01 | . |
7 | N | 3a | 8 | N | 3a | 2.50 | . |
7 | N | 3a | 9 | N | 3a | 5.33 | . |
7 | N | 3a | 10 | N | 3a | 7.75 | . |
7 | N | 3a | 11 | N | 3a | 5.33 | . |
7 | N | 3a | 12 | N | 3a | 3.04 | . |
8 | N | 3a | 9 | N | 3a | 3.04 | . |
8 | N | 3a | 10 | N | 3a | 5.33 | . |
8 | N | 3a | 11 | N | 3a | 7.75 | . |
8 | N | 3a | 12 | N | 3a | 5.33 | . |
9 | N | 3a | 10 | N | 3a | 2.50 | . |
9 | N | 3a | 11 | N | 3a | 5.33 | . |
9 | N | 3a | 12 | N | 3a | 7.75 | . |
10 | N | 3a | 11 | N | 3a | 3.04 | . |
10 | N | 3a | 12 | N | 3a | 5.33 | . |
11 | N | 3a | 12 | N | 3a | 2.50 | . |
DFT calculations |
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LMTO-GF calculations |
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References |
Materials Project: mp-1245401 |