Material:

Mn2AsP

ID:

MMD-2912

Explore database:

Compounds with the same formula: Mn2AsP (1 entry found)
Compounds with the same elements: Mn-As-P (2 entries found)
Navigation:
Space group | Lattice parameters | Thermodynamic properties | Phase diagram | Magnetic properties | Atomic positions and site-specific magnetic data | Pair-wise magnetic data | Methods | References

Space group:

Crystal system

orthorhombic

Space group number

26

Hermann-Mauguin

Pmc2_1

Hall

P 2c -2

Point group

mm2

Structure data:

Normalized formula

Mn2AsP

The number of formula units per unit cell

2

The total number of atoms per unit cell

8

The number of inequivalent sites per unit cell

4

Structure search

MP

Lattice parameters:

a (Å)

3.3202

b (Å)

5.9696

c (Å)

5.3521

α (deg.)

90.000

β (deg.)

90.000

γ (deg.)

90.000

Volume (Å3)

106.080

Density (g/cm3)

6.755

Crystal structure visualization:

Thermodynamic properties:

DFT calculations (details)

Formation energy (vs. elemental phases)

-389.0 meV/atom

Formation energy above hull

Phase diagram:

Phase diagram
The convex hull is temporarily not available while we perform maintenance.

Related structures:

Compounds with the same formula: Mn2AsP

1 entry found

Compounds with the same elements: Mn-As-P

2 entries found

Binary compounds in Mn-As system

10 entries found

Binary compounds in Mn-P system

11 entries found

Binary compounds in As-P system

No entries found

Magnetic properties:

DFT calculations (details)

Magnetic ordering

Ferromagnetic

Total magnetic moment

6.30 μB/cell

Averaged magnetic moment

0.79 μB/atom

Magnetic polarization, Js = μ0Ms

0.69 T (= 549.1 emu/cm3)
LMTO-GF calculations (details)

Curie temperature, TC

DFT calculations (details)

Magnetic easy axis

Magnetic hardness parameter, κ

Atomic positions (fractional coordinates) and site-specific magnetic data:

index species w x y z m (μB) Esoc100 (meV) Esoc001 (meV)
1 Mn 2b 0.500000 0.493897 0.051089 1.56 . .
2 Mn 2b 0.500000 0.993897 0.948911 1.56 . .
3 Mn 2a 0.000000 0.496700 0.436023 1.66 . .
4 Mn 2a 0.000000 0.996700 0.563977 1.66 . .
5 As 2b 0.500000 0.310300 0.674260 -0.09 . .
6 As 2b 0.500000 0.810300 0.325740 -0.09 . .
7 P 2a 0.000000 0.699104 0.832244 -0.09 . .
8 P 2a 0.000000 0.199104 0.167756 -0.09 . .
w: site multiplicity (the number of equivalent positions) and Wyckoff letter (a label for site symmetry)
m: local magnetic moment
Esoc100 (001): Spin-orbit coupling energy for the magnetization oriented along the crystallographic a (c) axis
(Individual Esoc values are temporarily not available while we perform maintenance.)
Terms and conditions

Site-resolved magnetic moments:

Local magnetic moments

Pair-wise magnetic data:

site i site j distance (Å) Jij (meV)
1 Mn 2b 2 Mn 2b 3.03 .
1 Mn 2b 3 Mn 2a 2.65 .
1 Mn 2b 4 Mn 2a 4.29 .
1 Mn 2b 5 As 2b 2.30 .
1 Mn 2b 6 As 2b 2.39 .
1 Mn 2b 7 P 2a 2.37 .
1 Mn 2b 8 P 2a 2.50 .
2 Mn 2b 3 Mn 2a 4.29 .
2 Mn 2b 4 Mn 2a 2.65 .
2 Mn 2b 5 As 2b 2.39 .
2 Mn 2b 6 As 2b 2.30 .
2 Mn 2b 7 P 2a 2.50 .
2 Mn 2b 8 P 2a 2.37 .
3 Mn 2a 4 Mn 2a 3.06 .
3 Mn 2a 5 As 2b 2.37 .
3 Mn 2a 6 As 2b 2.57 .
3 Mn 2a 7 P 2a 2.44 .
3 Mn 2a 8 P 2a 2.28 .
4 Mn 2a 5 As 2b 2.57 .
4 Mn 2a 6 As 2b 2.37 .
4 Mn 2a 7 P 2a 2.28 .
4 Mn 2a 8 P 2a 2.44 .
5 As 2b 6 As 2b 3.52 .
5 As 2b 7 P 2a 2.98 .
5 As 2b 8 P 2a 3.19 .
6 As 2b 7 P 2a 3.19 .
6 As 2b 8 P 2a 2.98 .
7 P 2a 8 P 2a 3.48 .
Jij: magnetic exchange parameter between site i and j (Individual Jij values are temporarily not available while we perform maintenance.)
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Terms and conditions

Pair-resolved magnetic exchange parameters:

Exchange coupling parameters

Individual exchange parameters:

Exchange coupling parameters

Methods:

DFT calculations

  • exchange-correlation energy functional: GGA-PBE
  • pseudopotential type: PAW
  • cutoff energy: 65.0 Ry
  • k-point grid: (kx, ky, kz) = (None, None, None) for magnetic anisotropy calculations
  • package: QE (v6.3)

LMTO-GF calculations

  • k-point grid: (kx, ky, kz) =
  • energy mesh: 41 points on an elliptical contour
  • package: Questaal (v7)

References:

References

Materials Project: mp-1221923
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