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YNi15

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Crystal Structure

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Overview

Magnetic flux density0.507T
Magnetization density0.043μB Å−3
Total spin moment8.124μB cell−1
MP-reference hull distance0.099eV atom−1
Cell volume186.740Å3
Number of atoms16atoms
Chemical system Y-Ni Calculation Converged

Final Relaxed Cell

Calculated-cell formulaNi15Y
a, b, c3.623, 3.623, 14.229 Å
α, β, γ90.000, 90.000, 90.000°
Cell volume186.740 Å3
Volume per atom11.671 Å3 atom−1
Formula units, Z1

Final Symmetry

Space groupP4/mmm (No. 123)
Crystal systemTetragonal
Point group4/mmm
Hall symbol-P 4 2
Pearson symboltP16

Occupied Wyckoff Sites

SiteElementWyckoff positionMultiplicitySite symmetry
Y1Y1c14/mmm
Ni1Ni4i42mm.
Ni2Ni2h24mm
Ni3Ni2g24mm
Ni4Ni4i42mm.
Ni5Ni1d14/mmm
Ni6Ni1a14/mmm
Ni7Ni1b14/mmm

Prototype Relationship

Cell Magnetization

Total spin moment8.124 μB cell−1
Moment per atom0.508 μB atom−1
Magnetization density0.043 μB Å−3
μ0M0.507 T
PAW-sphere total8.601 μB cell−1
Interstitial remainder-0.477 μB cell−1

Sublattice Magnetization

Rare-earth sublattice-0.064 μB
Transition-metal sublattice8.665 μB
RE–TM alignmentAntiparallel

Element-Resolved Moments

ElementAtomsPAW-sphere totalμBMean per atomμB atom−1RangeμB
Y1-0.064-0.064-0.064 to -0.064
Ni158.6650.5780.056 to 0.736

Site-Resolved PAW-Sphere Moments

SiteElementWyckoffsμBpμBdμBTotalμB
1Yc-0.002-0.013-0.049-0.064
2Nii-0.003-0.0120.7180.703
3Nii-0.003-0.0120.7180.703
4Nih0.001-0.0110.7270.717
5Nig-0.002-0.0110.6580.645
6Nii-0.002-0.0080.4360.426
7Nii-0.002-0.0080.4360.426
8Nig-0.002-0.0110.6590.646
9Nii-0.002-0.0080.4350.425
10Nid-0.002-0.0120.6500.636
11Nii-0.002-0.0080.4350.425
12Nii-0.003-0.0120.7180.703
13Nii-0.003-0.0120.7180.703
14Nih0.001-0.0110.7250.715
15Nia0.001-0.0090.0650.056
16Nib-0.000-0.0140.7490.736

Convex Hull: Y-Ni

Energy above hull 0.099 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 MAGMOM1*0.6 15*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 = 1*0.6 15*5.0
NCORE = 4
NELM = 120
NSW = 100
POTIM = 0.2
PREC = Normal
SIGMA = 0.05
SYMPREC = 0.0001

Brillouin-Zone Sampling

SchemeGamma
Mesh6 × 6 × 1
Maximum reciprocal spacing0.44157 Å−1
View exact KPOINTS
pymatgen with grid density = 1322 / number of atoms
0
Gamma
6 6 1

PAW Potentials

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