Home / Magnets / Sm3Co14Cr (MAG-000298)

Sm3Co14Cr

Ternary

Crystal Structure

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Overview

Magnetic flux density0.999T
Magnetization density0.086μB Å−3
Total spin moment65.958μB cell−1
MP-reference hull distance0.058eV atom−1
Cell volume769.540Å3
Number of atoms54atoms
Chemical system Sm-Co-Cr Calculation Converged

Final Relaxed Cell

Calculated-cell formulaCo42Cr3Sm9
a, b, c8.663, 8.663, 11.842 Å
α, β, γ90.000, 90.000, 120.000°
Cell volume769.540 Å3
Volume per atom14.251 Å3 atom−1
Formula units, Z3

Final Symmetry

Space groupR32 (No. 155)
Crystal systemTrigonal
Point group32
Hall symbolR 3 2"
Pearson symbolhR18

Occupied Wyckoff Sites

SiteElementWyckoff positionMultiplicitySite symmetry
Sm1Sm9e9.2
Cr1Cr3b332
Co1Co9d9.2
Co2Co18f181
Co3Co9e9.2
Co4Co6c63.

Prototype Relationship

Parent prototypeCaCu5-type (AB5)
Parent space groupP6/mmm (No. 191)
AFLOW ANRL labelAB5_hP6_191_a_cg-001

Cell Magnetization

Total spin moment65.958 μB cell−1
Moment per atom1.221 μB atom−1
Magnetization density0.086 μB Å−3
μ0M0.999 T
PAW-sphere total68.064 μB cell−1
Interstitial remainder-2.106 μB cell−1

Sublattice Magnetization

Rare-earth sublattice-1.854 μB
Transition-metal sublattice69.918 μB
RE–TM alignmentAntiparallel

Element-Resolved Moments

ElementAtomsPAW-sphere totalμBMean per atomμB atom−1RangeμB
Sm9-1.854-0.206-0.206 to -0.206
Cr36.5912.1972.197 to 2.197
Co4263.3271.5081.454 to 1.578

Site-Resolved PAW-Sphere Moments

SiteElementWyckoffsμBpμBdμBTotalμB
1Sme-0.012-0.020-0.174-0.206
2Sme-0.012-0.020-0.174-0.206
3Sme-0.012-0.020-0.174-0.206
4Sme-0.012-0.020-0.174-0.206
5Sme-0.012-0.020-0.174-0.206
6Sme-0.012-0.020-0.174-0.206
7Sme-0.012-0.020-0.174-0.206
8Sme-0.012-0.020-0.174-0.206
9Sme-0.012-0.020-0.174-0.206
10Crb0.023-0.0062.1802.197
11Crb0.023-0.0062.1802.197
12Crb0.023-0.0062.1802.197
13Cod-0.006-0.0361.5821.541
14Cod-0.006-0.0361.5821.541
15Cod-0.006-0.0361.5821.541
16Cod-0.006-0.0361.5821.541
17Cof-0.005-0.0321.4911.454
18Cof-0.005-0.0321.4911.454
19Cof-0.005-0.0321.4911.454
20Cof-0.005-0.0321.4911.454
21Cod-0.006-0.0361.5821.541
22Cod-0.006-0.0361.5821.541
23Cod-0.006-0.0361.5821.541
24Cod-0.006-0.0361.5821.541
25Cod-0.006-0.0361.5821.541
26Cof-0.005-0.0321.4911.454
27Cof-0.005-0.0321.4911.454
28Cof-0.005-0.0321.4911.454
29Cof-0.005-0.0321.4911.454
30Cof-0.005-0.0321.4911.454
31Cof-0.005-0.0321.4911.454
32Cof-0.005-0.0321.4911.454
33Coe0.000-0.0411.6191.578
34Coe0.000-0.0411.6191.578
35Cof-0.005-0.0321.4911.454
36Cof-0.005-0.0321.4911.454
37Cof-0.005-0.0321.4911.454
38Cof-0.005-0.0321.4911.454
39Cof-0.005-0.0321.4911.454
40Cof-0.005-0.0321.4911.454
41Cof-0.005-0.0321.4911.454
42Coc0.002-0.0391.5501.514
43Coc0.002-0.0391.5501.514
44Coc0.002-0.0391.5501.514
45Coc0.002-0.0391.5501.514
46Coc0.002-0.0391.5501.514
47Coc0.002-0.0391.5501.514
48Coe0.000-0.0411.6191.578
49Coe0.000-0.0411.6191.578
50Coe0.000-0.0411.6191.578
51Coe0.000-0.0411.6191.578
52Coe0.000-0.0411.6191.578
53Coe0.000-0.0411.6191.578
54Coe0.000-0.0411.6191.578

Convex Hull: Sm-Co-Cr

Energy above hull 0.058 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 MAGMOM12*5.0 42*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 = 12*5.0 42*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 spacing0.27918 Å−1
View exact KPOINTS
pymatgen with grid density = 1110 / number of atoms
0
Gamma
3 3 2

PAW Potentials

ElementVASP TITELZVALENMAXeV
SmPAW_PBE Sm_3 07Sep200011.000177.087
CrPAW_PBE Cr_pv 07Sep200012.000265.683
CoPAW_PBE Co 06Sep20009.000267.969