Home / Magnets / Sm2Co17 (MAG-000028)

Sm2Co17

Binary Featured

Crystal Structure

Drag to rotate; scroll to zoom. Supercell selection affects only the viewer.

Overview

Magnetic flux density1.195T
Magnetization density0.102μB Å−3
Total spin moment75.125μB cell−1
MP-reference hull distance0.005eV atom−1
Cell volume732.750Å3
Number of atoms57atoms
Chemical system Sm-Co Calculation Converged

Final Relaxed Cell

Calculated-cell formulaCo51Sm6
a, b, c8.342, 8.342, 12.160 Å
α, β, γ90.000, 90.000, 120.000°
Cell volume732.750 Å3
Volume per atom12.855 Å3 atom−1
Formula units, Z3

Final Symmetry

Space groupR-3m (No. 166)
Crystal systemTrigonal
Point group-3m
Hall symbol-R 3 2"
Pearson symbolhR19

Occupied Wyckoff Sites

SiteElementWyckoff positionMultiplicitySite symmetry
Sm1Sm6c63m
Co1Co18h18.m
Co2Co18f18.2
Co3Co9d9.2/m
Co4Co6c63m

Prototype Relationship

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

Cell Magnetization

Total spin moment75.125 μB cell−1
Moment per atom1.318 μB atom−1
Magnetization density0.102 μB Å−3
μ0M1.195 T
PAW-sphere total77.448 μB cell−1
Interstitial remainder-2.323 μB cell−1

Sublattice Magnetization

Rare-earth sublattice-1.530 μB
Transition-metal sublattice78.978 μB
RE–TM alignmentAntiparallel

Element-Resolved Moments

ElementAtomsPAW-sphere totalμBMean per atomμB atom−1RangeμB
Sm6-1.530-0.255-0.255 to -0.255
Co5178.9781.5491.505 to 1.649

Site-Resolved PAW-Sphere Moments

SiteElementWyckoffsμBpμBdμBTotalμB
1Smc-0.012-0.025-0.218-0.255
2Smc-0.012-0.025-0.218-0.255
3Smc-0.012-0.025-0.218-0.255
4Smc-0.012-0.025-0.218-0.255
5Smc-0.012-0.025-0.218-0.255
6Smc-0.012-0.025-0.218-0.255
7Coh-0.007-0.0531.5641.505
8Coh-0.007-0.0531.5641.505
9Coh-0.007-0.0531.5641.505
10Coh-0.007-0.0531.5641.505
11Coh-0.007-0.0531.5641.505
12Coh-0.007-0.0531.5641.505
13Coh-0.007-0.0531.5641.505
14Coh-0.007-0.0531.5641.505
15Coh-0.007-0.0531.5641.505
16Coh-0.007-0.0531.5641.505
17Coh-0.007-0.0531.5641.505
18Coh-0.007-0.0531.5641.505
19Coh-0.007-0.0531.5641.505
20Coh-0.007-0.0531.5641.505
21Coh-0.007-0.0531.5641.505
22Coh-0.007-0.0531.5641.505
23Cof-0.010-0.0471.6101.553
24Cof-0.010-0.0471.6101.553
25Cof-0.010-0.0471.6101.553
26Cof-0.010-0.0471.6101.553
27Cof-0.010-0.0471.6101.553
28Cof-0.010-0.0471.6101.553
29Coh-0.007-0.0531.5641.505
30Coh-0.007-0.0531.5641.505
31Cof-0.010-0.0471.6101.553
32Cof-0.010-0.0471.6101.553
33Cof-0.010-0.0471.6101.553
34Cof-0.010-0.0471.6101.553
35Cof-0.010-0.0471.6101.553
36Cof-0.010-0.0471.6101.553
37Cof-0.010-0.0471.6101.553
38Cof-0.010-0.0471.6101.553
39Cod-0.011-0.0521.6231.560
40Cod-0.011-0.0521.6231.560
41Cod-0.011-0.0521.6231.560
42Coc-0.009-0.0471.7051.649
43Coc-0.009-0.0471.7051.649
44Coc-0.009-0.0471.7051.649
45Cof-0.010-0.0471.6101.553
46Cof-0.010-0.0471.6101.553
47Cof-0.010-0.0471.6101.553
48Cof-0.010-0.0471.6101.553
49Cod-0.011-0.0521.6231.560
50Cod-0.011-0.0521.6231.560
51Cod-0.011-0.0521.6231.560
52Cod-0.011-0.0521.6231.560
53Cod-0.011-0.0521.6231.560
54Cod-0.011-0.0521.6231.560
55Coc-0.009-0.0471.7051.649
56Coc-0.009-0.0471.7051.649
57Coc-0.009-0.0471.7051.649

Convex Hull: Sm-Co

Energy above hull 0.005 eV/atom Reference set loading Candidates on this hull loading
Open this tab to draw the convex hull.

Hover a point for its formation energy and distance to the hull; click another candidate to open it. Drag to zoom, double-click to reset.

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 51*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 51*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 spacing0.28992 Å−1
View exact KPOINTS
pymatgen with grid density = 1264 / 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