Home / Magnets / Y2Co16V (MAG-000183)

Y2Co16V

Ternary

Crystal Structure

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Overview

Magnetic flux density1.003T
Magnetization density0.086μB Å−3
Total spin moment20.807μB cell−1
MP-reference hull distance0.014eV atom−1
Cell volume241.720Å3
Number of atoms19atoms
Chemical system Y-Co-V Calculation Converged

Final Relaxed Cell

Calculated-cell formulaCo16VY2
a, b, c6.274, 6.273, 6.274 Å
α, β, γ82.920, 82.915, 82.919°
Cell volume241.720 Å3
Volume per atom12.722 Å3 atom−1
Formula units, Z1

Final Symmetry

Space groupR3m (No. 160)
Crystal systemTrigonal
Point group3m
Hall symbolR 3 -2"
Pearson symbolhR19

Occupied Wyckoff Sites

SiteElementWyckoff positionMultiplicitySite symmetry
Y1Y1a13m
Y2Y1a13m
V1V1a13m
Co1Co6c61
Co2Co3b3.m
Co3Co3b3.m
Co4Co3b3.m
Co5Co1a13m

Prototype Relationship

Parent prototypeTh2Zn17-type (A17B2)
Parent space groupR-3m (No. 166)
AFLOW ANRL labelA17B2_hR19_166_cegh_c-001

Cell Magnetization

Total spin moment20.807 μB cell−1
Moment per atom1.095 μB atom−1
Magnetization density0.086 μB Å−3
μ0M1.003 T
PAW-sphere total21.584 μB cell−1
Interstitial remainder-0.777 μB cell−1

Sublattice Magnetization

Rare-earth sublattice-0.486 μB
Transition-metal sublattice22.070 μB
RE–TM alignmentAntiparallel

Element-Resolved Moments

ElementAtomsPAW-sphere totalμBMean per atomμB atom−1RangeμB
Y2-0.486-0.243-0.252 to -0.234
V1-1.121-1.121-1.121 to -1.121
Co1623.1911.4491.344 to 1.502

Site-Resolved PAW-Sphere Moments

SiteElementWyckoffsμBpμBdμBTotalμB
1Ya-0.010-0.050-0.192-0.252
2Ya-0.008-0.046-0.180-0.234
3Va-0.027-0.046-1.049-1.121
4Coc-0.004-0.0391.5451.501
5Coc-0.004-0.0391.5451.502
6Cob-0.002-0.0481.4511.401
7Coc-0.004-0.0391.5431.499
8Cob-0.006-0.0421.4671.419
9Cob-0.007-0.0441.5121.461
10Coc-0.004-0.0391.5451.501
11Cob-0.002-0.0481.4511.401
12Cob-0.006-0.0421.4691.420
13Coa0.002-0.0521.3941.344
14Cob-0.007-0.0441.5101.459
15Cob-0.007-0.0441.5121.461
16Cob-0.002-0.0481.4501.400
17Coc-0.004-0.0391.5451.502
18Coc-0.004-0.0391.5431.499
19Cob-0.006-0.0421.4701.421

Convex Hull: Y-Co-V

Energy above hull 0.014 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
PrecisionAccurate
Electronic convergence1e-05 eV
Ionic convergence-0.01 eV Å−1
Initial MAGMOM2*0.6 1*5.0 16*2.0
RelaxationIBRION 1, ISIF 3, NSW 100
View exact INCAR
ADDGRID = True
ALGO = Normal
EDIFF = 1e-05
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 1*5.0 16*2.0
NCORE = 4
NELM = 120
NSW = 100
POTIM = 0.2
PREC = Accurate
SIGMA = 0.05
SYMPREC = 0.0001

Brillouin-Zone Sampling

SchemeMonkhorst
Mesh4 × 4 × 4
Maximum reciprocal spacing0.25385 Å−1
View exact KPOINTS
pymatgen with grid density = 1253 / number of atoms
0
Monkhorst
4 4 4

PAW Potentials

ElementVASP TITELZVALENMAXeV
YPAW_PBE Y_sv 06Sep200011.000211.641
VPAW_PBE V_pv 07Sep200011.000263.675
CoPAW_PBE Co 02Aug20079.000267.968