Home / Magnets / Y2Co9Mn (MAG-000190)

Y2Co9Mn

Ternary

Crystal Structure

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Overview

Magnetic flux density1.130T
Magnetization density0.097μB Å−3
Total spin moment48.212μB cell−1
MP-reference hull distance0.022eV atom−1
Cell volume496.950Å3
Number of atoms36atoms
Chemical system Y-Co-Mn Calculation Converged

Final Relaxed Cell

Calculated-cell formulaCo27Mn3Y6
a, b, c4.914, 4.914, 23.768 Å
α, β, γ90.000, 90.000, 120.000°
Cell volume496.950 Å3
Volume per atom13.804 Å3 atom−1
Formula units, Z3

Final Symmetry

Space groupR3m (No. 160)
Crystal systemTrigonal
Point group3m
Hall symbolR 3 -2"
Pearson symbolhR12

Occupied Wyckoff Sites

SiteElementWyckoff positionMultiplicitySite symmetry
Y1Y3a33m
Y2Y3a33m
Mn1Mn3a33m
Co1Co3a33m
Co2Co3a33m
Co3Co9b9.m
Co4Co9b9.m
Co5Co3a33m

Prototype Relationship

Cell Magnetization

Total spin moment48.212 μB cell−1
Moment per atom1.339 μB atom−1
Magnetization density0.097 μB Å−3
μ0M1.130 T
PAW-sphere total49.287 μB cell−1
Interstitial remainder-1.075 μB cell−1

Sublattice Magnetization

Rare-earth sublattice-1.512 μB
Transition-metal sublattice50.799 μB
RE–TM alignmentAntiparallel

Element-Resolved Moments

ElementAtomsPAW-sphere totalμBMean per atomμB atom−1RangeμB
Y6-1.512-0.252-0.283 to -0.221
Mn310.8933.6313.631 to 3.631
Co2739.9061.4781.392 to 1.548

Site-Resolved PAW-Sphere Moments

SiteElementWyckoffsμBpμBdμBTotalμB
1Ya-0.014-0.044-0.164-0.221
2Ya-0.021-0.057-0.205-0.283
3Ya-0.021-0.057-0.205-0.283
4Ya-0.021-0.057-0.205-0.283
5Ya-0.014-0.044-0.164-0.221
6Ya-0.014-0.044-0.164-0.221
7Mna0.033-0.0043.6023.631
8Mna0.033-0.0043.6023.631
9Mna0.033-0.0043.6023.631
10Coa0.006-0.0461.5741.534
11Coa0.002-0.0381.5291.493
12Coa0.002-0.0381.5291.493
13Coa0.002-0.0381.5291.493
14Coa0.006-0.0461.5741.534
15Coa0.006-0.0461.5741.534
16Cob-0.010-0.0451.4461.392
17Cob-0.010-0.0451.4461.392
18Cob-0.010-0.0451.4461.392
19Cob-0.010-0.0451.4461.392
20Cob-0.010-0.0451.4461.392
21Cob-0.010-0.0451.4461.392
22Cob-0.010-0.0451.4461.392
23Cob-0.011-0.0421.5711.517
24Cob-0.011-0.0421.5711.517
25Cob-0.011-0.0421.5711.517
26Cob-0.011-0.0421.5711.517
27Cob-0.011-0.0421.5711.517
28Cob-0.011-0.0421.5711.517
29Cob-0.010-0.0451.4461.392
30Cob-0.010-0.0451.4461.392
31Cob-0.011-0.0421.5711.517
32Cob-0.011-0.0421.5711.517
33Coa-0.013-0.0531.6131.548
34Cob-0.011-0.0421.5711.517
35Coa-0.013-0.0531.6131.548
36Coa-0.013-0.0531.6131.548

Convex Hull: Y-Co-Mn

Energy above hull 0.022 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 27*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 27*2.0
NCORE = 4
NELM = 120
NSW = 100
POTIM = 0.2
PREC = Accurate
SIGMA = 0.05
SYMPREC = 0.0001

Brillouin-Zone Sampling

SchemeGamma
Mesh5 × 5 × 1
Maximum reciprocal spacing0.29531 Å−1
View exact KPOINTS
pymatgen with grid density = 1150 / number of atoms
0
Gamma
5 5 1

PAW Potentials

ElementVASP TITELZVALENMAXeV
YPAW_PBE Y_sv 06Sep200011.000211.641
MnPAW_PBE Mn_pv 07Sep200013.000269.865
CoPAW_PBE Co 02Aug20079.000267.968