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SmCo9

Binary

Crystal Structure

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Overview

Magnetic flux density1.228T
Magnetization density0.105μB Å−3
Total spin moment81.266μB cell−1
MP-reference hull distance0.091eV atom−1
Cell volume770.900Å3
Number of atoms60atoms
Chemical system Sm-Co Calculation Converged

Final Relaxed Cell

Calculated-cell formulaCo54Sm6
a, b, c8.346, 8.346, 12.778 Å
α, β, γ90.000, 90.000, 120.000°
Cell volume770.900 Å3
Volume per atom12.848 Å3 atom−1
Formula units, Z6

Final Symmetry

Space groupR-3m (No. 166)
Crystal systemTrigonal
Point group-3m
Hall symbol-R 3 2"
Pearson symbolhR20

Occupied Wyckoff Sites

SiteElementWyckoff positionMultiplicitySite symmetry
Sm1Sm6c63m
Co1Co18h18.m
Co2Co9e9.2/m
Co3Co6c63m
Co4Co18g18.2
Co5Co3a3-3m

Prototype Relationship

Cell Magnetization

Total spin moment81.266 μB cell−1
Moment per atom1.354 μB atom−1
Magnetization density0.105 μB Å−3
μ0M1.228 T
PAW-sphere total83.484 μB cell−1
Interstitial remainder-2.218 μB cell−1

Sublattice Magnetization

Rare-earth sublattice-1.506 μB
Transition-metal sublattice84.990 μB
RE–TM alignmentAntiparallel

Element-Resolved Moments

ElementAtomsPAW-sphere totalμBMean per atomμB atom−1RangeμB
Sm6-1.506-0.251-0.251 to -0.251
Co5484.9901.5740.997 to 1.643

Site-Resolved PAW-Sphere Moments

SiteElementWyckoffsμBpμBdμBTotalμB
1Smc-0.015-0.022-0.214-0.251
2Smc-0.015-0.022-0.214-0.251
3Smc-0.015-0.022-0.214-0.251
4Smc-0.015-0.022-0.214-0.251
5Smc-0.015-0.022-0.214-0.251
6Smc-0.015-0.022-0.214-0.251
7Coh-0.007-0.0461.6551.602
8Coh-0.007-0.0461.6551.602
9Coh-0.007-0.0461.6551.602
10Coh-0.007-0.0461.6551.602
11Coh-0.007-0.0461.6551.602
12Coh-0.007-0.0461.6551.602
13Coh-0.007-0.0461.6551.602
14Coh-0.007-0.0461.6551.602
15Coh-0.007-0.0461.6551.602
16Coh-0.007-0.0461.6551.602
17Coh-0.007-0.0461.6551.602
18Coh-0.007-0.0461.6551.602
19Coh-0.007-0.0461.6551.602
20Coh-0.007-0.0461.6551.602
21Coh-0.007-0.0461.6551.602
22Coh-0.007-0.0461.6551.602
23Coe-0.008-0.0571.6301.565
24Coe-0.008-0.0571.6301.565
25Coe-0.008-0.0571.6301.565
26Coe-0.008-0.0571.6301.565
27Coe-0.008-0.0571.6301.565
28Coe-0.008-0.0571.6301.565
29Coh-0.007-0.0461.6551.602
30Coh-0.007-0.0461.6551.602
31Coe-0.008-0.0571.6301.565
32Coe-0.008-0.0571.6301.565
33Coc-0.008-0.0441.6371.584
34Coc-0.008-0.0441.6371.584
35Coc-0.008-0.0441.6371.584
36Coc-0.008-0.0441.6371.584
37Coc-0.008-0.0441.6371.584
38Coe-0.008-0.0571.6301.565
39Cog-0.007-0.0461.6951.643
40Cog-0.007-0.0461.6951.643
41Cog-0.007-0.0461.6951.643
42Cog-0.007-0.0461.6951.643
43Cog-0.007-0.0461.6951.643
44Cog-0.007-0.0461.6951.643
45Coc-0.008-0.0441.6371.584
46Cog-0.007-0.0461.6951.643
47Cog-0.007-0.0461.6951.643
48Cog-0.007-0.0461.6951.643
49Cog-0.007-0.0461.6951.643
50Cog-0.007-0.0461.6951.643
51Cog-0.007-0.0461.6951.643
52Cog-0.007-0.0461.6951.643
53Cog-0.007-0.0461.6951.643
54Cog-0.007-0.0461.6951.643
55Cog-0.007-0.0461.6951.643
56Coa-0.017-0.0541.0680.997
57Coa-0.017-0.0541.0680.997
58Coa-0.017-0.0541.0680.997
59Cog-0.007-0.0461.6951.643
60Cog-0.007-0.0461.6951.643

Convex Hull: Sm-Co

Energy above hull 0.091 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 MAGMOM6*5.0 54*2.0
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 = 6
LORBIT = 11
LREAL = Auto
LWAVE = False
MAGMOM = 6*5.0 54*2.0
NCORE = 4
NELM = 120
NSW = 100
POTIM = 0.2
PREC = Normal
SIGMA = 0.05

Brillouin-Zone Sampling

SchemeGamma
Mesh3 × 3 × 2
Maximum reciprocal spacing0.28975 Å−1
View exact KPOINTS
pymatgen with grid density = 1249 / number of atoms
0
Gamma
3 3 2

PAW Potentials

ElementVASP TITELZVALENMAXeV
SmPAW_PBE Sm_3 07Sep200011.000177.087
CoPAW_PBE Co 06Sep20009.000267.969