Material:

YNi5

ID:

MMD-1566

Explore database:

Compounds with the same formula: YNi5 (1 entry found)
Compounds with the same elements: Y-Ni (11 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

hexagonal

Space group number

191

Hermann-Mauguin

P6/mmm

Hall

-P 6 2

Point group

6/mmm

Structure data:

Normalized formula

YNi5

The number of formula units per unit cell

1

The total number of atoms per unit cell

6

The number of inequivalent sites per unit cell

3

Structure search

MP

Lattice parameters:

a (Å)

4.8759

b (Å)

4.8759

c (Å)

3.9505

α (deg.)

90.000

β (deg.)

90.000

γ (deg.)

120.000

Volume (Å3)

81.338

Density (g/cm3)

7.806

Crystal structure visualization:

Thermodynamic properties:

DFT calculations (details)

Formation energy (vs. elemental phases)

-322.2 meV/atom

Formation energy above hull

0 meV, (stable)

Phase diagram:

Phase diagram

Related structures:

Compounds with the same formula: YNi5

1 entry found

Compounds with the same elements: Y-Ni

11 entries found

Magnetic properties:

DFT calculations (details)

Magnetic ordering

Ferromagnetic

Total magnetic moment

1.48 μB/cell

Averaged magnetic moment

0.25 μB/atom

Magnetic polarization, Js = μ0Ms

0.21 T (= 167.1 emu/cm3)
LMTO-GF calculations (details)

Curie temperature, TC

DFT calculations (details)

Magnetic anisotropy constant, Ka-c

0.24 MJ/m3 (= 0.12 meV/cell)

Magnetic easy axis

c

Magnetic hardness parameter, κ

2.65

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

index species w x y z m (μB) Esoc100 (meV) Esoc001 (meV)
1 Y 1a 0.000000 0.000000 0.000000 -0.04 . .
2 Ni 3g 0.000000 0.500000 0.500000 0.37 . .
3 Ni 3g 0.333333 0.666667 0.000000 0.29 . .
4 Ni 3g 0.666667 0.333333 0.000000 0.29 . .
5 Ni 2c 0.500000 0.000000 0.500000 0.37 . .
6 Ni 2c 0.500000 0.500000 0.500000 0.37 . .
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 Y 1a 2 Ni 3g 3.14 .
1 Y 1a 3 Ni 3g 2.82 .
1 Y 1a 4 Ni 3g 2.82 .
1 Y 1a 5 Ni 2c 3.14 .
1 Y 1a 6 Ni 2c 3.14 .
2 Ni 3g 3 Ni 3g 2.43 .
2 Ni 3g 4 Ni 3g 2.43 .
2 Ni 3g 5 Ni 2c 2.44 .
2 Ni 3g 6 Ni 2c 2.44 .
3 Ni 3g 4 Ni 3g 2.82 .
3 Ni 3g 5 Ni 2c 2.43 .
3 Ni 3g 6 Ni 2c 2.43 .
4 Ni 3g 5 Ni 2c 2.43 .
4 Ni 3g 6 Ni 2c 2.43 .
5 Ni 2c 6 Ni 2c 2.44 .
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:


Diagram is not available for this entry.

Individual exchange parameters:


Diagram is not available for this entry.

Methods:

DFT calculations

  • exchange-correlation energy functional: GGA-PBE
  • pseudopotential type: PAW
  • cutoff energy: 65.0 Ry
  • k-point grid: (kx, ky, kz) = (14, 14, 16) 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-2152
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