Home / Magnets / Sm3Co14Cu (MAG-000301)

Sm3Co14Cu

Ternary

Crystal Structure

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Overview

Magnetic flux density0.899T
Magnetization density0.077μB Å−3
Total spin moment58.587μB cell−1
MP-reference hull distance0.062eV atom−1
Cell volume759.950Å3
Number of atoms54atoms
Chemical system Sm-Co-Cu Calculation Converged

Final Relaxed Cell

Calculated-cell formulaCo42Cu3Sm9
a, b, c4.951, 4.951, 35.801 Å
α, β, γ90.000, 90.000, 120.000°
Cell volume759.950 Å3
Volume per atom14.073 Å3 atom−1
Formula units, Z3

Final Symmetry

Space groupR3m (No. 160)
Crystal systemTrigonal
Point group3m
Hall symbolR 3 -2"
Pearson symbolhR18

Occupied Wyckoff Sites

SiteElementWyckoff positionMultiplicitySite symmetry
Sm1Sm3a33m
Sm2Sm3a33m
Sm3Sm3a33m
Co1Co9b9.m
Co2Co9b9.m
Co3Co3a33m
Co4Co9b9.m
Co5Co3a33m
Co6Co3a33m
Co7Co3a33m
Co8Co3a33m
Cu1Cu3a33m

Prototype Relationship

Cell Magnetization

Total spin moment58.587 μB cell−1
Moment per atom1.085 μB atom−1
Magnetization density0.077 μB Å−3
μ0M0.899 T
PAW-sphere total61.158 μB cell−1
Interstitial remainder-2.571 μB cell−1

Sublattice Magnetization

Rare-earth sublattice-2.175 μB
Transition-metal sublattice63.333 μB
RE–TM alignmentAntiparallel

Element-Resolved Moments

ElementAtomsPAW-sphere totalμBMean per atomμB atom−1RangeμB
Sm9-2.175-0.242-0.251 to -0.235
Co4263.1891.5041.439 to 1.562
Cu30.1440.0480.048 to 0.048

Site-Resolved PAW-Sphere Moments

SiteElementWyckoffsμBpμBdμBTotalμB
1Sma-0.010-0.022-0.207-0.239
2Sma-0.015-0.022-0.198-0.235
3Sma-0.015-0.022-0.198-0.235
4Sma-0.010-0.022-0.207-0.239
5Sma-0.010-0.022-0.207-0.239
6Sma-0.019-0.023-0.208-0.251
7Sma-0.019-0.023-0.208-0.251
8Sma-0.019-0.023-0.208-0.251
9Sma-0.015-0.022-0.198-0.235
10Cob-0.006-0.0361.4811.439
11Cob-0.006-0.0361.4811.439
12Cob-0.006-0.0361.4811.439
13Cob-0.006-0.0361.4811.439
14Cob-0.006-0.0361.4811.439
15Cob-0.006-0.0361.4811.439
16Cob-0.006-0.0361.4811.439
17Cob-0.006-0.0381.5431.499
18Cob-0.006-0.0381.5431.499
19Cob-0.006-0.0381.5431.499
20Cob-0.006-0.0381.5431.499
21Coa-0.006-0.0381.5531.509
22Coa-0.006-0.0381.5531.509
23Coa-0.006-0.0381.5531.509
24Cob-0.006-0.0361.4811.439
25Cob-0.006-0.0361.4811.439
26Cob-0.006-0.0381.5431.499
27Cob-0.006-0.0381.5431.499
28Cob-0.006-0.0381.5431.499
29Cob-0.006-0.0381.5431.499
30Cob-0.002-0.0301.5941.562
31Cob-0.006-0.0381.5431.499
32Cob-0.002-0.0301.5941.562
33Coa0.003-0.0431.5361.497
34Coa0.003-0.0431.5361.497
35Cob-0.002-0.0301.5941.562
36Cob-0.002-0.0301.5941.562
37Cob-0.002-0.0301.5941.562
38Cob-0.002-0.0301.5941.562
39Cob-0.002-0.0301.5941.562
40Cob-0.002-0.0301.5941.562
41Cob-0.002-0.0301.5941.562
42Coa0.005-0.0391.5491.514
43Coa0.005-0.0391.5491.514
44Coa0.005-0.0391.5491.514
45Coa0.001-0.0401.5271.488
46Coa0.001-0.0401.5271.488
47Coa0.004-0.0501.6011.555
48Coa0.004-0.0501.6011.555
49Coa0.004-0.0501.6011.555
50Coa0.001-0.0401.5271.488
51Coa0.003-0.0431.5361.497
52Cua0.005-0.0240.0670.048
53Cua0.005-0.0240.0670.048
54Cua0.005-0.0240.0670.048

Convex Hull: Sm-Co-Cu

Energy above hull 0.062 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 MAGMOM9*5.0 42*2.0 3*0.6
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 = 9*5.0 42*2.0 3*0.6
NCORE = 4
NELM = 120
NSW = 100
POTIM = 0.2
PREC = Normal
SIGMA = 0.05

Brillouin-Zone Sampling

SchemeGamma
Mesh5 × 5 × 1
Maximum reciprocal spacing0.29309 Å−1
View exact KPOINTS
pymatgen with grid density = 1100 / number of atoms
0
Gamma
5 5 1

PAW Potentials

ElementVASP TITELZVALENMAXeV
SmPAW_PBE Sm_3 07Sep200011.000177.087
CoPAW_PBE Co 06Sep20009.000267.969
CuPAW_PBE Cu_pv 06Sep200017.000368.605