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Y2Ni9

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Crystal Structure

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Overview

Magnetic flux density0.155T
Magnetization density0.013μB Å−3
Total spin moment-2.099μB cell−1
MP-reference hull distance0.094eV atom−1
Cell volume157.660Å3
Number of atoms11atoms
Chemical system Y-Ni Calculation Converged

Final Relaxed Cell

Calculated-cell formulaNi9Y2
a, b, c4.852, 4.852, 7.734 Å
α, β, γ90.000, 90.000, 120.000°
Cell volume157.660 Å3
Volume per atom14.333 Å3 atom−1
Formula units, Z1

Final Symmetry

Space groupP-6m2 (No. 187)
Crystal systemHexagonal
Point group-6m2
Hall symbolP -6 2
Pearson symbolhP11

Occupied Wyckoff Sites

SiteElementWyckoff positionMultiplicitySite symmetry
Y1Y1b1-6m2
Y2Y1a1-6m2
Ni1Ni6n6.m.
Ni2Ni1f1-6m2
Ni3Ni1e1-6m2
Ni4Ni1c1-6m2

Prototype Relationship

Cell Magnetization

Total spin moment-2.099 μB cell−1
Moment per atom-0.191 μB atom−1
Magnetization density0.013 μB Å−3
μ0M0.155 T
PAW-sphere total-2.255 μB cell−1
Interstitial remainder0.156 μB cell−1

Sublattice Magnetization

Rare-earth sublattice0.089 μB
Transition-metal sublattice-2.344 μB
RE–TM alignmentAntiparallel

Element-Resolved Moments

ElementAtomsPAW-sphere totalμBMean per atomμB atom−1RangeμB
Y20.0890.0440.041 to 0.048
Ni9-2.344-0.260-0.403 to -0.191

Site-Resolved PAW-Sphere Moments

SiteElementWyckoffsμBpμBdμBTotalμB
1Yb0.0020.0080.0380.048
2Ya0.0020.0080.0310.041
3Nin-0.0010.003-0.261-0.259
4Nin-0.0010.003-0.261-0.259
5Nin-0.0010.003-0.261-0.259
6Nin-0.0010.003-0.261-0.259
7Nin-0.0010.003-0.261-0.259
8Nin-0.0010.003-0.261-0.259
9Nif-0.0000.006-0.197-0.191
10Nie-0.0030.005-0.405-0.403
11Nic-0.0010.003-0.197-0.196

Convex Hull: Y-Ni

Energy above hull 0.094 eV/atom Reference set loading Candidates on this hull loading
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VASP Calculation

MethodCollinear spin-polarized DFT
Exchange-correlationPBE
Plane-wave cutoff520.0 eV
PrecisionNormal
Electronic convergence0.0001 eV
Ionic convergence-0.01 eV Å−1
Initial MAGMOM2*0.6 9*5.0
RelaxationIBRION 1, ISIF 3, NSW 100
View exact INCAR
ADDGRID = True
ALGO = Normal
EDIFF = 0.0001
EDIFFG = -0.01
ENCUT = 520.0
IBRION = 1
ISIF = 3
ISMEAR = 1
ISPIN = 2
LAECHG = False
LASPH = True
LCHARG = False
LMAXMIX = 4
LORBIT = 11
LREAL = Auto
LWAVE = False
MAGMOM = 2*0.6 9*5.0
NCORE = 4
NELM = 120
NSW = 100
POTIM = 0.2
PREC = Normal
SIGMA = 0.05
SYMPREC = 0.0001

Brillouin-Zone Sampling

SchemeGamma
Mesh5 × 5 × 3
Maximum reciprocal spacing0.29908 Å−1
View exact KPOINTS
pymatgen with grid density = 1106 / number of atoms
0
Gamma
5 5 3

PAW Potentials

ElementVASP TITELZVALENMAXeV
YPAW_PBE Y_sv 06Sep200011.000211.641
NiPAW_PBE Ni_pv 06Sep200016.000367.945