Home / Magnets / Y2Co16Cr (MAG-000180)

Y2Co16Cr

Ternary

Crystal Structure

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Overview

Magnetic flux density1.212T
Magnetization density0.104μB Å−3
Total spin moment75.377μB cell−1
MP-reference hull distance0.027eV atom−1
Cell volume725.110Å3
Number of atoms57atoms
Chemical system Y-Co-Cr Calculation Converged

Final Relaxed Cell

Calculated-cell formulaCo48Cr3Y6
a, b, c8.313, 8.313, 12.115 Å
α, β, γ90.000, 90.000, 120.000°
Cell volume725.110 Å3
Volume per atom12.721 Å3 atom−1
Formula units, Z3

Final Symmetry

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

Occupied Wyckoff Sites

SiteElementWyckoff positionMultiplicitySite symmetry
Y1Y3a33m
Y2Y3a33m
Cr1Cr3a33m
Co1Co9b9.m
Co2Co18c181
Co3Co9b9.m
Co4Co9b9.m
Co5Co3a33m

Prototype Relationship

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

Cell Magnetization

Total spin moment75.377 μB cell−1
Moment per atom1.322 μB atom−1
Magnetization density0.104 μB Å−3
μ0M1.212 T
PAW-sphere total76.968 μB cell−1
Interstitial remainder-1.591 μB cell−1

Sublattice Magnetization

Rare-earth sublattice-1.350 μB
Transition-metal sublattice78.318 μB
RE–TM alignmentAntiparallel

Element-Resolved Moments

ElementAtomsPAW-sphere totalμBMean per atomμB atom−1RangeμB
Y6-1.350-0.225-0.243 to -0.207
Cr35.0221.6741.674 to 1.674
Co4873.2961.5271.475 to 1.571

Site-Resolved PAW-Sphere Moments

SiteElementWyckoffsμBpμBdμBTotalμB
1Ya-0.008-0.050-0.185-0.243
2Ya-0.008-0.050-0.185-0.243
3Ya-0.010-0.041-0.156-0.207
4Ya-0.010-0.041-0.156-0.207
5Ya-0.010-0.041-0.156-0.207
6Ya-0.008-0.050-0.185-0.243
7Cra-0.001-0.0191.6941.674
8Cra-0.001-0.0191.6941.674
9Cra-0.001-0.0191.6941.674
10Cob-0.007-0.0461.5791.525
11Cob-0.007-0.0461.5791.525
12Cob-0.007-0.0461.5791.525
13Cob-0.007-0.0461.5791.525
14Cob-0.007-0.0461.5791.525
15Cob-0.007-0.0461.5791.525
16Cob-0.007-0.0461.5791.525
17Coc-0.009-0.0431.6231.571
18Coc-0.009-0.0431.6231.571
19Coc-0.009-0.0431.6231.571
20Coc-0.009-0.0431.6231.571
21Cob-0.007-0.0461.5791.525
22Cob-0.007-0.0461.5791.525
23Coc-0.009-0.0431.6231.571
24Coc-0.009-0.0431.6231.571
25Coc-0.009-0.0431.6231.571
26Coc-0.009-0.0431.6231.571
27Coc-0.009-0.0431.6231.571
28Coc-0.009-0.0431.6231.571
29Coc-0.009-0.0431.6231.571
30Coc-0.009-0.0431.6231.571
31Coc-0.009-0.0431.6231.571
32Coc-0.009-0.0431.6231.571
33Cob-0.014-0.0441.5461.488
34Cob-0.014-0.0441.5461.488
35Coc-0.009-0.0431.6231.571
36Coc-0.009-0.0431.6231.571
37Coc-0.009-0.0431.6231.571
38Coc-0.009-0.0431.6231.571
39Cob-0.008-0.0451.5281.475
40Cob-0.008-0.0451.5281.475
41Cob-0.008-0.0451.5281.475
42Cob-0.008-0.0451.5281.475
43Cob-0.008-0.0451.5281.475
44Cob-0.008-0.0451.5281.475
45Cob-0.014-0.0441.5461.488
46Cob-0.014-0.0441.5461.488
47Cob-0.014-0.0441.5461.488
48Cob-0.014-0.0441.5461.488
49Cob-0.014-0.0441.5461.488
50Cob-0.014-0.0441.5461.488
51Cob-0.014-0.0441.5461.488
52Cob-0.008-0.0451.5281.475
53Cob-0.008-0.0451.5281.475
54Cob-0.008-0.0451.5281.475
55Coa-0.003-0.0361.5811.542
56Coa-0.003-0.0361.5811.542
57Coa-0.003-0.0361.5811.542

Convex Hull: Y-Co-Cr

Energy above hull 0.027 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 MAGMOM6*0.6 3*5.0 48*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 = 6*0.6 3*5.0 48*2.0
NCORE = 4
NELM = 120
NSW = 100
POTIM = 0.2
PREC = Accurate
SIGMA = 0.05
SYMPREC = 0.0001

Brillouin-Zone Sampling

SchemeGamma
Mesh3 × 3 × 2
Maximum reciprocal spacing0.29091 Å−1
View exact KPOINTS
pymatgen with grid density = 1220 / number of atoms
0
Gamma
3 3 2

PAW Potentials

ElementVASP TITELZVALENMAXeV
YPAW_PBE Y_sv 06Sep200011.000211.641
CrPAW_PBE Cr_pv 07Sep200012.000265.683
CoPAW_PBE Co 02Aug20079.000267.968